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Pentru înscriere de articole la concurs (nominalizări), condiții de eligibilitate, punctare și alte detalii, vă rugăm să accesați \u003Cb\u003E\u003Ca href=\"/wiki/Wikipedia:Concurs_de_scriere\" title=\"Wikipedia:Concurs de scriere\"\u003Epagina\u0026#160;concursului\u003C/a\u003E\u003C/b\u003E.\u003C/div\u003E\n\u003Cdiv style=\"clear: both;\"\u003E\u003C/div\u003E\n\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E";}}());</script></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Cuprins" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Cuprins</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ascunde</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Început</div> </a> </li> <li id="toc-Diferite_tipuri_de_ecuații" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Diferite_tipuri_de_ecuații"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Diferite tipuri de ecuații</span> </div> </a> <ul id="toc-Diferite_tipuri_de_ecuații-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliografie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bibliografie"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Bibliografie</span> </div> </a> <ul id="toc-Bibliografie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Legături_externe" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Legături_externe"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Legături externe</span> </div> </a> <ul id="toc-Legături_externe-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Cuprins" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Comută cuprinsul" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Comută cuprinsul</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ecuație</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Mergeți la un articol în altă limbă. Disponibil în 122 limbi" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-122" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">122 limbi</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Vergelyking_(wiskunde)" title="Vergelyking (wiskunde) – afrikaans" lang="af" hreflang="af" data-title="Vergelyking (wiskunde)" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Gleichung" title="Gleichung – germană (Elveția)" lang="gsw" hreflang="gsw" data-title="Gleichung" data-language-autonym="Alemannisch" data-language-local-name="germană (Elveția)" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Ecuaci%C3%B3n" title="Ecuación – aragoneză" lang="an" hreflang="an" data-title="Ecuación" data-language-autonym="Aragonés" data-language-local-name="aragoneză" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%B8%E0%A4%AE%E0%A5%80%E0%A4%95%E0%A4%B0%E0%A4%A3" title="समीकरण – angika" lang="anp" hreflang="anp" data-title="समीकरण" data-language-autonym="अंगिका" data-language-local-name="angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%B9%D8%A7%D8%AF%D9%84%D8%A9_%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A9" title="معادلة رياضية – arabă" lang="ar" hreflang="ar" data-title="معادلة رياضية" data-language-autonym="العربية" data-language-local-name="arabă" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%85%D8%B9%D8%A7%D8%AF%D9%84%D8%A9_%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A9" title="معادلة رياضية – Egyptian Arabic" lang="arz" hreflang="arz" data-title="معادلة رياضية" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%B8%E0%A6%AE%E0%A7%80%E0%A6%95%E0%A7%B0%E0%A6%A3" title="সমীকৰণ – asameză" lang="as" hreflang="as" data-title="সমীকৰণ" data-language-autonym="অসমীয়া" data-language-local-name="asameză" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Ecuaci%C3%B3n" title="Ecuación – asturiană" lang="ast" hreflang="ast" data-title="Ecuación" data-language-autonym="Asturianu" data-language-local-name="asturiană" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/T%C9%99nlik" title="Tənlik – azeră" lang="az" hreflang="az" data-title="Tənlik" data-language-autonym="Azərbaycanca" data-language-local-name="azeră" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%A2%D0%B8%D0%B3%D0%B5%D2%99%D0%BB%D3%99%D0%BC%D3%99" title="Тигеҙләмә – bașkiră" lang="ba" hreflang="ba" data-title="Тигеҙләмә" data-language-autonym="Башҡортса" data-language-local-name="bașkiră" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A3%D1%80%D0%B0%D1%9E%D0%BD%D0%B5%D0%BD%D0%BD%D0%B5" title="Ураўненне – belarusă" lang="be" hreflang="be" data-title="Ураўненне" data-language-autonym="Беларуская" data-language-local-name="belarusă" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A0%D0%B0%D1%9E%D0%BD%D0%B0%D0%BD%D1%8C%D0%BD%D0%B5" title="Раўнаньне – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Раўнаньне" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A3%D1%80%D0%B0%D0%B2%D0%BD%D0%B5%D0%BD%D0%B8%D0%B5" title="Уравнение – bulgară" lang="bg" hreflang="bg" data-title="Уравнение" data-language-autonym="Български" data-language-local-name="bulgară" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A6%AE%E0%A7%80%E0%A6%95%E0%A6%B0%E0%A6%A3" title="সমীকরণ – bengaleză" lang="bn" hreflang="bn" data-title="সমীকরণ" data-language-autonym="বাংলা" data-language-local-name="bengaleză" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Jedna%C4%8Dina" title="Jednačina – bosniacă" lang="bs" hreflang="bs" data-title="Jednačina" data-language-autonym="Bosanski" data-language-local-name="bosniacă" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D0%A2%D1%8D%D0%B3%D1%88%D1%8D%D0%B4%D1%85%D1%8D%D0%BB" title="Тэгшэдхэл – Russia Buriat" lang="bxr" hreflang="bxr" data-title="Тэгшэдхэл" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Equaci%C3%B3" title="Equació – catalană" lang="ca" hreflang="ca" data-title="Equació" data-language-autonym="Català" data-language-local-name="catalană" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-chr mw-list-item"><a href="https://chr.wikipedia.org/wiki/%E1%8E%A2%E1%8F%97%E1%8E%A6%E1%8F%B2%E1%8F%8D%E1%8F%97" title="ᎢᏗᎦᏲᏍᏗ – cherokee" lang="chr" hreflang="chr" data-title="ᎢᏗᎦᏲᏍᏗ" data-language-autonym="ᏣᎳᎩ" data-language-local-name="cherokee" class="interlanguage-link-target"><span>ᏣᎳᎩ</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%BE%D8%A7%D9%88%DA%A9%DB%8E%D8%B4%DB%95" title="ھاوکێشە – kurdă centrală" lang="ckb" hreflang="ckb" data-title="ھاوکێشە" data-language-autonym="کوردی" data-language-local-name="kurdă centrală" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Rovnice" title="Rovnice – cehă" lang="cs" hreflang="cs" data-title="Rovnice" data-language-autonym="Čeština" data-language-local-name="cehă" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%A2%D0%B0%D0%BD%D0%BB%C4%83%D1%85_(%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0)" title="Танлăх (математика) – ciuvașă" lang="cv" hreflang="cv" data-title="Танлăх (математика)" data-language-autonym="Чӑвашла" data-language-local-name="ciuvașă" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Hafaliad" title="Hafaliad – galeză" lang="cy" hreflang="cy" data-title="Hafaliad" data-language-autonym="Cymraeg" data-language-local-name="galeză" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Ligning" title="Ligning – daneză" lang="da" hreflang="da" data-title="Ligning" data-language-autonym="Dansk" data-language-local-name="daneză" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Gleichung" title="Gleichung – germană" lang="de" hreflang="de" data-title="Gleichung" data-language-autonym="Deutsch" data-language-local-name="germană" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%95%CE%BE%CE%AF%CF%83%CF%89%CF%83%CE%B7" title="Εξίσωση – greacă" lang="el" hreflang="el" data-title="Εξίσωση" data-language-autonym="Ελληνικά" data-language-local-name="greacă" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/Equazi%C3%A5n" title="Equaziån – Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="Equaziån" data-language-autonym="Emiliàn e rumagnòl" data-language-local-name="Emiliano-Romagnolo" class="interlanguage-link-target"><span>Emiliàn e rumagnòl</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Equation" title="Equation – engleză" lang="en" hreflang="en" data-title="Equation" data-language-autonym="English" data-language-local-name="engleză" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Ekvacio" title="Ekvacio – esperanto" lang="eo" hreflang="eo" data-title="Ekvacio" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ecuaci%C3%B3n" title="Ecuación – spaniolă" lang="es" hreflang="es" data-title="Ecuación" data-language-autonym="Español" data-language-local-name="spaniolă" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/V%C3%B5rrand" title="Võrrand – estonă" lang="et" hreflang="et" data-title="Võrrand" data-language-autonym="Eesti" data-language-local-name="estonă" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Ekuazio" title="Ekuazio – bască" lang="eu" hreflang="eu" data-title="Ekuazio" data-language-autonym="Euskara" data-language-local-name="bască" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-ext mw-list-item"><a href="https://ext.wikipedia.org/wiki/Ecuaci%C3%B3n" title="Ecuación – Extremaduran" lang="ext" hreflang="ext" data-title="Ecuación" data-language-autonym="Estremeñu" data-language-local-name="Extremaduran" class="interlanguage-link-target"><span>Estremeñu</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%D8%B9%D8%A7%D8%AF%D9%84%D9%87" title="معادله – persană" lang="fa" hreflang="fa" data-title="معادله" data-language-autonym="فارسی" data-language-local-name="persană" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Yht%C3%A4l%C3%B6" title="Yhtälö – finlandeză" lang="fi" hreflang="fi" data-title="Yhtälö" data-language-autonym="Suomi" data-language-local-name="finlandeză" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/V%C3%B5rrand" title="Võrrand – Võro" lang="vro" hreflang="vro" data-title="Võrrand" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-fj mw-list-item"><a href="https://fj.wikipedia.org/wiki/Ivakatakata" title="Ivakatakata – fijiană" lang="fj" hreflang="fj" data-title="Ivakatakata" data-language-autonym="Na Vosa Vakaviti" data-language-local-name="fijiană" class="interlanguage-link-target"><span>Na Vosa Vakaviti</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/L%C3%ADkning" title="Líkning – feroeză" lang="fo" hreflang="fo" data-title="Líkning" data-language-autonym="Føroyskt" data-language-local-name="feroeză" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr badge-Q17437796 badge-featuredarticle mw-list-item" title="articol de calitate"><a href="https://fr.wikipedia.org/wiki/%C3%89quation" title="Équation – franceză" lang="fr" hreflang="fr" data-title="Équation" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Liknang" title="Liknang – frizonă nordică" lang="frr" hreflang="frr" data-title="Liknang" data-language-autonym="Nordfriisk" data-language-local-name="frizonă nordică" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Cothrom%C3%B3id" title="Cothromóid – irlandeză" lang="ga" hreflang="ga" data-title="Cothromóid" data-language-autonym="Gaeilge" data-language-local-name="irlandeză" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E6%96%B9%E7%A8%8B" title="方程 – chineză gan" lang="gan" hreflang="gan" data-title="方程" data-language-autonym="贛語" data-language-local-name="chineză gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/%C3%89kwasyon" title="Ékwasyon – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Ékwasyon" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Ecuaci%C3%B3n" title="Ecuación – galiciană" lang="gl" hreflang="gl" data-title="Ecuación" data-language-autonym="Galego" data-language-local-name="galiciană" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A9%D7%95%D7%95%D7%90%D7%94" title="משוואה – ebraică" lang="he" hreflang="he" data-title="משוואה" data-language-autonym="עברית" data-language-local-name="ebraică" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A4%AE%E0%A5%80%E0%A4%95%E0%A4%B0%E0%A4%A3" title="समीकरण – hindi" lang="hi" hreflang="hi" data-title="समीकरण" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Baraabri" title="Baraabri – Fiji Hindi" lang="hif" hreflang="hif" data-title="Baraabri" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Jednad%C5%BEba" title="Jednadžba – croată" lang="hr" hreflang="hr" data-title="Jednadžba" data-language-autonym="Hrvatski" data-language-local-name="croată" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Egyenlet" title="Egyenlet – maghiară" lang="hu" hreflang="hu" data-title="Egyenlet" data-language-autonym="Magyar" data-language-local-name="maghiară" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%80%D5%A1%D5%BE%D5%A1%D5%BD%D5%A1%D6%80%D5%B8%D6%82%D5%B4" title="Հավասարում – armeană" lang="hy" hreflang="hy" data-title="Հավասարում" data-language-autonym="Հայերեն" data-language-local-name="armeană" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Equation" title="Equation – interlingua" lang="ia" hreflang="ia" data-title="Equation" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Persamaan" title="Persamaan – indoneziană" lang="id" hreflang="id" data-title="Persamaan" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneziană" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Equaciono" title="Equaciono – ido" lang="io" hreflang="io" data-title="Equaciono" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Jafna" title="Jafna – islandeză" lang="is" hreflang="is" data-title="Jafna" data-language-autonym="Íslenska" data-language-local-name="islandeză" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Equazione" title="Equazione – italiană" lang="it" hreflang="it" data-title="Equazione" data-language-autonym="Italiano" data-language-local-name="italiană" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E6%96%B9%E7%A8%8B%E5%BC%8F" title="方程式 – japoneză" lang="ja" hreflang="ja" data-title="方程式" data-language-autonym="日本語" data-language-local-name="japoneză" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Ikwiejan" title="Ikwiejan – Jamaican Creole English" lang="jam" hreflang="jam" data-title="Ikwiejan" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%92%E1%83%90%E1%83%9C%E1%83%A2%E1%83%9D%E1%83%9A%E1%83%94%E1%83%91%E1%83%90" title="განტოლება – georgiană" lang="ka" hreflang="ka" data-title="განტოლება" data-language-autonym="ქართული" data-language-local-name="georgiană" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/K%C9%A9ma%C5%8B_w%C9%9B%CA%8A%CA%8A" title="Kɩmaŋ wɛʊʊ – Kabiye" lang="kbp" hreflang="kbp" data-title="Kɩmaŋ wɛʊʊ" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A2%D0%B5%D2%A3%D0%B4%D0%B5%D1%83" title="Теңдеу – kazahă" lang="kk" hreflang="kk" data-title="Теңдеу" data-language-autonym="Қазақша" data-language-local-name="kazahă" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%9F%E1%9E%98%E1%9E%B8%E1%9E%80%E1%9E%B6%E1%9E%9A" title="សមីការ – khmeră" lang="km" hreflang="km" data-title="សមីការ" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="khmeră" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B8%E0%B2%AE%E0%B3%80%E0%B2%95%E0%B2%B0%E0%B2%A3" title="ಸಮೀಕರಣ – kannada" lang="kn" hreflang="kn" data-title="ಸಮೀಕರಣ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B0%A9%EC%A0%95%EC%8B%9D" title="방정식 – coreeană" lang="ko" hreflang="ko" data-title="방정식" data-language-autonym="한국어" data-language-local-name="coreeană" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Wekhev%C3%AE" title="Wekhevî – kurdă" lang="ku" hreflang="ku" data-title="Wekhevî" data-language-autonym="Kurdî" data-language-local-name="kurdă" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%92%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%A1%D0%BE%D0%BC%D0%BE/%D0%A2%D0%B5%D2%A3%D0%B4%D0%B5%D0%BC%D0%B5" title="Википедия:Сомо/Теңдеме – kârgâză" lang="ky" hreflang="ky" data-title="Википедия:Сомо/Теңдеме" data-language-autonym="Кыргызча" data-language-local-name="kârgâză" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Aequatio" title="Aequatio – latină" lang="la" hreflang="la" data-title="Aequatio" data-language-autonym="Latina" data-language-local-name="latină" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Egali" title="Egali – Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Egali" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Equazion" title="Equazion – Lombard" lang="lmo" hreflang="lmo" data-title="Equazion" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%AA%E0%BA%BB%E0%BA%A1%E0%BA%9C%E0%BA%BB%E0%BA%99" title="ສົມຜົນ – laoțiană" lang="lo" hreflang="lo" data-title="ສົມຜົນ" data-language-autonym="ລາວ" data-language-local-name="laoțiană" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Lygtis" title="Lygtis – lituaniană" lang="lt" hreflang="lt" data-title="Lygtis" data-language-autonym="Lietuvių" data-language-local-name="lituaniană" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Vien%C4%81dojums" title="Vienādojums – letonă" lang="lv" hreflang="lv" data-title="Vienādojums" data-language-autonym="Latviešu" data-language-local-name="letonă" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B2%D0%B5%D0%BD%D0%BA%D0%B0" title="Равенка – macedoneană" lang="mk" hreflang="mk" data-title="Равенка" data-language-autonym="Македонски" data-language-local-name="macedoneană" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B4%AE%E0%B4%B5%E0%B4%BE%E0%B4%95%E0%B5%8D%E0%B4%AF%E0%B4%82_(%E0%B4%97%E0%B4%A3%E0%B4%BF%E0%B4%A4%E0%B4%B6%E0%B4%BE%E0%B4%B8%E0%B5%8D%E0%B4%A4%E0%B5%8D%E0%B4%B0%E0%B4%82)" title="സമവാക്യം (ഗണിതശാസ്ത്രം) – malayalam" lang="ml" hreflang="ml" data-title="സമവാക്യം (ഗണിതശാസ്ത്രം)" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B8%E0%A4%AE%E0%A5%80%E0%A4%95%E0%A4%B0%E0%A4%A3" title="समीकरण – marathi" lang="mr" hreflang="mr" data-title="समीकरण" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Persamaan" title="Persamaan – malaeză" lang="ms" hreflang="ms" data-title="Persamaan" data-language-autonym="Bahasa Melayu" data-language-local-name="malaeză" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nap mw-list-item"><a href="https://nap.wikipedia.org/wiki/Equazzione" title="Equazzione – napolitană" lang="nap" hreflang="nap" data-title="Equazzione" data-language-autonym="Napulitano" data-language-local-name="napolitană" class="interlanguage-link-target"><span>Napulitano</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Glieken" title="Glieken – germana de jos" lang="nds" hreflang="nds" data-title="Glieken" data-language-autonym="Plattdüütsch" data-language-local-name="germana de jos" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Vergelijking_(wiskunde)" title="Vergelijking (wiskunde) – neerlandeză" lang="nl" hreflang="nl" data-title="Vergelijking (wiskunde)" data-language-autonym="Nederlands" data-language-local-name="neerlandeză" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Likning" title="Likning – norvegiană nynorsk" lang="nn" hreflang="nn" data-title="Likning" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegiană nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Ligning_(matematikk)" title="Ligning (matematikk) – norvegiană bokmål" lang="nb" hreflang="nb" data-title="Ligning (matematikk)" data-language-autonym="Norsk bokmål" data-language-local-name="norvegiană bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Equacion" title="Equacion – occitană" lang="oc" hreflang="oc" data-title="Equacion" data-language-autonym="Occitan" data-language-local-name="occitană" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Qixxaatoo" title="Qixxaatoo – oromo" lang="om" hreflang="om" data-title="Qixxaatoo" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B8%E0%A8%AE%E0%A9%80%E0%A8%95%E0%A8%B0%E0%A8%A8" title="ਸਮੀਕਰਨ – punjabi" lang="pa" hreflang="pa" data-title="ਸਮੀਕਰਨ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/R%C3%B3wnanie" title="Równanie – poloneză" lang="pl" hreflang="pl" data-title="Równanie" data-language-autonym="Polski" data-language-local-name="poloneză" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Equassion" title="Equassion – Piedmontese" lang="pms" hreflang="pms" data-title="Equassion" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%AA%D8%B1%DA%A9%DA%91%DB%8C" title="ترکڑی – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ترکڑی" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Equa%C3%A7%C3%A3o" title="Equação – portugheză" lang="pt" hreflang="pt" data-title="Equação" data-language-autonym="Português" data-language-local-name="portugheză" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Paqtachani" title="Paqtachani – quechua" lang="qu" hreflang="qu" data-title="Paqtachani" data-language-autonym="Runa Simi" data-language-local-name="quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A3%D1%80%D0%B0%D0%B2%D0%BD%D0%B5%D0%BD%D0%B8%D0%B5" title="Уравнение – rusă" lang="ru" hreflang="ru" data-title="Уравнение" data-language-autonym="Русский" data-language-local-name="rusă" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%A2%D1%8D%D2%A5%D0%BD%D1%8D%D0%B1%D0%B8%D0%BB" title="Тэҥнэбил – sakha" lang="sah" hreflang="sah" data-title="Тэҥнэбил" data-language-autonym="Саха тыла" data-language-local-name="sakha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Iquazzioni" title="Iquazzioni – siciliană" lang="scn" hreflang="scn" data-title="Iquazzioni" data-language-autonym="Sicilianu" data-language-local-name="siciliană" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Equation" title="Equation – scots" lang="sco" hreflang="sco" data-title="Equation" data-language-autonym="Scots" data-language-local-name="scots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Jedna%C4%8Dina" title="Jednačina – sârbo-croată" lang="sh" hreflang="sh" data-title="Jednačina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="sârbo-croată" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-shi mw-list-item"><a href="https://shi.wikipedia.org/wiki/Tagdazalt" title="Tagdazalt – tachelhit" lang="shi" hreflang="shi" data-title="Tagdazalt" data-language-autonym="Taclḥit" data-language-local-name="tachelhit" class="interlanguage-link-target"><span>Taclḥit</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Equation" title="Equation – Simple English" lang="en-simple" hreflang="en-simple" data-title="Equation" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Rovnica_(matematika)" title="Rovnica (matematika) – slovacă" lang="sk" hreflang="sk" data-title="Rovnica (matematika)" data-language-autonym="Slovenčina" data-language-local-name="slovacă" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Ena%C4%8Dba" title="Enačba – slovenă" lang="sl" hreflang="sl" data-title="Enačba" data-language-autonym="Slovenščina" data-language-local-name="slovenă" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Enzane" title="Enzane – shona" lang="sn" hreflang="sn" data-title="Enzane" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Ekuacioni" title="Ekuacioni – albaneză" lang="sq" hreflang="sq" data-title="Ekuacioni" data-language-autonym="Shqip" data-language-local-name="albaneză" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%88%D0%B5%D0%B4%D0%BD%D0%B0%D1%87%D0%B8%D0%BD%D0%B0" title="Једначина – sârbă" lang="sr" hreflang="sr" data-title="Једначина" data-language-autonym="Српски / srpski" data-language-local-name="sârbă" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Ekvation" title="Ekvation – suedeză" lang="sv" hreflang="sv" data-title="Ekvation" data-language-autonym="Svenska" data-language-local-name="suedeză" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Mlinganyo" title="Mlinganyo – swahili" lang="sw" hreflang="sw" data-title="Mlinganyo" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AE%AE%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%9F%E0%AF%81" title="சமன்பாடு – tamilă" lang="ta" hreflang="ta" data-title="சமன்பாடு" data-language-autonym="தமிழ்" data-language-local-name="tamilă" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9C%D1%83%D0%BE%D0%B4%D0%B8%D0%BB%D0%B0" title="Муодила – tadjică" lang="tg" hreflang="tg" data-title="Муодила" data-language-autonym="Тоҷикӣ" data-language-local-name="tadjică" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%A1%E0%B8%81%E0%B8%B2%E0%B8%A3" title="สมการ – thailandeză" lang="th" hreflang="th" data-title="สมการ" data-language-autonym="ไทย" data-language-local-name="thailandeză" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tk mw-list-item"><a href="https://tk.wikipedia.org/wiki/De%C5%88leme" title="Deňleme – turkmenă" lang="tk" hreflang="tk" data-title="Deňleme" data-language-autonym="Türkmençe" data-language-local-name="turkmenă" class="interlanguage-link-target"><span>Türkmençe</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Ekwasyon" title="Ekwasyon – tagalog" lang="tl" hreflang="tl" data-title="Ekwasyon" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Denklem" title="Denklem – turcă" lang="tr" hreflang="tr" data-title="Denklem" data-language-autonym="Türkçe" data-language-local-name="turcă" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%A2%D0%B8%D0%B3%D0%B5%D0%B7%D0%BB%D3%99%D0%BC%D3%99" title="Тигезләмә – tătară" lang="tt" hreflang="tt" data-title="Тигезләмә" data-language-autonym="Татарча / tatarça" data-language-local-name="tătară" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A0%D1%96%D0%B2%D0%BD%D1%8F%D0%BD%D0%BD%D1%8F" title="Рівняння – ucraineană" lang="uk" hreflang="uk" data-title="Рівняння" data-language-autonym="Українська" data-language-local-name="ucraineană" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%85%D8%B3%D8%A7%D9%88%D8%A7%D8%AA" title="مساوات – urdu" lang="ur" hreflang="ur" data-title="مساوات" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz badge-Q17437798 badge-goodarticle mw-list-item" title="articol bun"><a href="https://uz.wikipedia.org/wiki/Tenglama" title="Tenglama – uzbecă" lang="uz" hreflang="uz" data-title="Tenglama" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbecă" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ph%C6%B0%C6%A1ng_tr%C3%ACnh" title="Phương trình – vietnameză" lang="vi" hreflang="vi" data-title="Phương trình" data-language-autonym="Tiếng Việt" data-language-local-name="vietnameză" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Vergelykinge_(wiskunde)" title="Vergelykinge (wiskunde) – West Flemish" lang="vls" hreflang="vls" data-title="Vergelykinge (wiskunde)" data-language-autonym="West-Vlams" data-language-local-name="West Flemish" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Ekwasyon" title="Ekwasyon – waray" lang="war" hreflang="war" data-title="Ekwasyon" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%96%B9%E7%A8%8B" title="方程 – chineză wu" lang="wuu" hreflang="wuu" data-title="方程" data-language-autonym="吴语" data-language-local-name="chineză wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xh mw-list-item"><a href="https://xh.wikipedia.org/wiki/I-Equation" title="I-Equation – xhosa" lang="xh" hreflang="xh" data-title="I-Equation" data-language-autonym="IsiXhosa" data-language-local-name="xhosa" class="interlanguage-link-target"><span>IsiXhosa</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%92%D7%9C%D7%99%D7%99%D7%9B%D7%95%D7%A0%D7%92" title="גלייכונג – idiș" lang="yi" hreflang="yi" data-title="גלייכונג" data-language-autonym="ייִדיש" data-language-local-name="idiș" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/%C3%8C%E1%B9%A3ed%E1%BB%8D%CC%81gba" title="Ìṣedọ́gba – yoruba" lang="yo" hreflang="yo" data-title="Ìṣedọ́gba" data-language-autonym="Yorùbá" data-language-local-name="yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%96%B9%E7%A8%8B" title="方程 – chineză" lang="zh" hreflang="zh" data-title="方程" data-language-autonym="中文" data-language-local-name="chineză" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E6%96%B9%E7%A8%8B" title="方程 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="方程" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Hong-t%C3%AAng-sek" title="Hong-têng-sek – chineză min nan" lang="nan" hreflang="nan" data-title="Hong-têng-sek" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="chineză min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%96%B9%E7%A8%8B%E5%BC%8F" title="方程式 – cantoneză" lang="yue" hreflang="yue" data-title="方程式" data-language-autonym="粵語" data-language-local-name="cantoneză" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q11345#sitelinks-wikipedia" title="Modifică legăturile interlinguale" class="wbc-editpage">Modifică legăturile</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Spații de nume"> <div id="p-associated-pages" class="vector-menu 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id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ro" dir="ltr"><p>În <a href="/wiki/Matematic%C4%83" title="Matematică">matematică</a>, o <b>ecuație</b> este o <a href="/w/index.php?title=Propozi%C8%9Bie_(matematic%C4%83)&action=edit&redlink=1" class="new" title="Propoziție (matematică) — pagină inexistentă">propoziție logică</a> ce stabilește o relație între două <a href="/wiki/Expresie_matematic%C4%83" title="Expresie matematică">expresii matematice</a> care sunt <a href="/wiki/Egalitate_(matematic%C4%83)" title="Egalitate (matematică)">egale</a> (o <i>identitate</i>) doar pentru anumite valori ale <a href="/wiki/Variabil%C4%83" title="Variabilă">variabilelor</a> implicate în acestea (sau chiar pentru nici o valoare). <a href="/wiki/Valoare_(matematic%C4%83)" title="Valoare (matematică)">Valorile</a> variabilelor pentru care egalitatea este adevărată poartă numele de <i>soluții</i>. Propozițiile matematice care definesc ecuațiile pot avea o <a href="/wiki/Valoare_de_adev%C4%83r" title="Valoare de adevăr">valoare de adevăr</a>: adevărul (dacă au cel puțin o soluție) sau falsul (dacă nu au soluție). </p><p>Ecuațiile pot apărea la nivel elementar, în <a href="/wiki/Opera%C8%9Bie_aritmetic%C4%83_elementar%C4%83" title="Operație aritmetică elementară">operațiile aritmetice elementare</a>, când cere se cere inversarea unei <a href="/wiki/Opera%C8%9Bie_matematic%C4%83" class="mw-redirect" title="Operație matematică">operații</a>, de exemplu de adunare a unor <a href="/wiki/Numere_naturale" class="mw-redirect" title="Numere naturale">numere naturale</a>, prin <a href="/wiki/Sc%C4%83dere" title="Scădere">scădere</a>, de exemplu cât adunat cu 3 dă 8. </p><p>De exemplu: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle (x+1)^{2}=x^{2}+2x+1,\,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <mi>x</mi> <mo>+</mo> <mn>1</mn> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>=</mo> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <mn>2</mn> <mi>x</mi> <mo>+</mo> <mn>1</mn> <mo>,</mo> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (x+1)^{2}=x^{2}+2x+1,\,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/601447fb6129bca8ec5e36272f4adb1e024e5b0f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:24.048ex; height:3.176ex;" alt="{\displaystyle (x+1)^{2}=x^{2}+2x+1,\,}"></span></dd></dl> <p>este o <a href="/wiki/Identitate_(matematic%C4%83)" title="Identitate (matematică)">identitate</a>, care este adevărată pentru orice valoare a variabilei <i>x</i>, în timp ce </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle x^{2}-5x+6=0,\,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>−</mo> <mn>5</mn> <mi>x</mi> <mo>+</mo> <mn>6</mn> <mo>=</mo> <mn>0</mn> <mo>,</mo> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x^{2}-5x+6=0,\,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f044da8680915314efbf147c86b6963aa091b4fa" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:17.014ex; height:3.009ex;" alt="{\displaystyle x^{2}-5x+6=0,\,}"></span></dd></dl> <p>este o ecuație <a href="/wiki/Algebr%C4%83" title="Algebră">algebrică</a> (fiind simultan și una <a href="/wiki/Ecua%C8%9Bie_polinomial%C4%83" title="Ecuație polinomială">polinomială</a>) de <a href="/wiki/Gradul_unui_polinom" title="Gradul unui polinom">grad</a> doi (întrucât necunoscuta sau variabila este la puterea a doua), ale cărei soluții sunt <i>x</i> = 2 și <i>x</i> = 3. (Pentru soluțiile unei astfel de ecuații, care se numește <i><a href="/wiki/Ecua%C8%9Bie_algebric%C4%83_de_gradul_al_doilea" class="mw-redirect" title="Ecuație algebrică de gradul al doilea">ecuație de gradul doi</a></i>, există o formulă standard de rezolvare, prezentată în manualele de algebră: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle x_{1,2}={\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> <mo>,</mo> <mn>2</mn> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mo>−</mo> <mi>b</mi> <mo>±</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <msup> <mi>b</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>−</mo> <mn>4</mn> <mi>a</mi> <mi>c</mi> </msqrt> </mrow> </mrow> <mrow> <mn>2</mn> <mi>a</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x_{1,2}={\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a62e1c4fb012beb24706443a8482872d6c36b667" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:23.859ex; height:6.176ex;" alt="{\displaystyle x_{1,2}={\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}}"></span>)</dd></dl> <p>În sensul discuției de față, literele de la începutul alfabetului, cum ar fi <i>a</i>, <i>b</i>, <i>c</i>, ... sunt considerate <a href="/wiki/Constant%C4%83_(matematic%C4%83)" title="Constantă (matematică)">constante</a>, în timp ce literele de la sfârșitul alfabetului, <i>x</i>, <i>y</i>, <i>z</i>, ... sunt de obicei variabile. Astfel, pentru a <a href="/w/index.php?title=Rezolvarea_ecua%C8%9Biilor&action=edit&redlink=1" class="new" title="Rezolvarea ecuațiilor — pagină inexistentă">rezolva o ecuație</a>, acele valori ale variabilelor care sunt soluții trebuie exprimate în funcție de constantele care apar în ecuație. Această convenție a fost inițiată de <a href="/wiki/Ren%C3%A9_Descartes" title="René Descartes">Descartes</a>. </p><p>Noțiunea de ecuație poate apărea în legătură cu orice <a href="/wiki/Opera%C8%9Bie_matematic%C4%83" class="mw-redirect" title="Operație matematică">operație matematică</a> (ce constituie o <a href="/wiki/Structur%C4%83_matematic%C4%83" title="Structură matematică">structură matematică</a>). Operația unui <a href="/wiki/Grup_(matematic%C4%83)" title="Grup (matematică)">grup</a> (sau <a href="/wiki/Monoid" title="Monoid">monoid</a>) poate fi efectuată repetitiv, permițând folosirea <a href="/wiki/Putere_(matematic%C4%83)" title="Putere (matematică)">exponenților numerici întregi</a> pentru indicarea numărului termenilor identici ai operației repetate. Folosirea exponentului permite folosirea noțiunii de <a href="/wiki/Logaritm" title="Logaritm">logaritm</a>, sub formă de <a href="/wiki/Logaritm_discret" title="Logaritm discret">logaritm discret</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>. </p><p>Ecuațiile pot fi folosite in calculul unor mărimi. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Diferite_tipuri_de_ecuații"><span id="Diferite_tipuri_de_ecua.C8.9Bii"></span>Diferite tipuri de ecuații</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ecua%C8%9Bie&veaction=edit&section=1" title="Modifică secțiunea: Diferite tipuri de ecuații" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ecua%C8%9Bie&action=edit&section=1" title="Edit section's source code: Diferite tipuri de ecuații"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Ecua%C8%9Bie_algebric%C4%83" class="mw-redirect" title="Ecuație algebrică">Ecuații algebrice</a></li> <li><a href="/wiki/Ecua%C8%9Bie_transcendent%C4%83" title="Ecuație transcendentă">Ecuații transcendente</a></li> <li><a href="/wiki/Ecua%C8%9Bie_diferen%C8%9Bial%C4%83" title="Ecuație diferențială">Ecuații diferențiale</a></li> <li><a href="/wiki/Ecua%C8%9Bie_integral%C4%83" title="Ecuație integrală">Ecuații integrale</a></li> <li><a href="/wiki/Ecua%C8%9Bie_cu_derivate_par%C8%9Biale" title="Ecuație cu derivate parțiale">Ecuații cu derivate parțiale</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ecua%C8%9Bie&veaction=edit&section=2" title="Modifică secțiunea: Note" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ecua%C8%9Bie&action=edit&section=2" title="Edit section's source code: Note"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><b><a href="#cite_ref-1">^</a></b> <span class="reference-text">Matematică Bacalaureat 2013, Teme recapitulative - teste rezolvate după modelul MECTS - Breviar teoretic, Editura Paralela 45, 2012, p.65 și următoarele</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Bibliografie">Bibliografie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ecua%C8%9Bie&veaction=edit&section=3" title="Modifică secțiunea: Bibliografie" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ecua%C8%9Bie&action=edit&section=3" title="Edit section's source code: Bibliografie"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><ul><li><ul><li>, Manuale de algebră pentru liceu, anii 1986 - 2012<span style="background:#ffeaea; color:#444444"></span><sup class="noprint"><span style="color:red;">[<a href="/wiki/Wikipedia:Formul%C4%83ri_evazive" title="Wikipedia:Formulări evazive"><i>care?</i></a>]</span></sup></li></ul></li></ul></li> <li>Constantin P. Popovici, Ion C. Ligor, Valentina Alexianu, Matematică - Aritmetică.Algebră - Manual pentru clasa a VI-a, Editura Didactică și Pedagogică, București, 1991-1994</li></ul> <div class="mw-heading mw-heading2"><h2 id="Legături_externe"><span id="Leg.C4.83turi_externe"></span>Legături externe</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ecua%C8%9Bie&veaction=edit&section=4" title="Modifică secțiunea: Legături externe" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ecua%C8%9Bie&action=edit&section=4" title="Edit section's source code: Legături externe"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="noprint tright portal" style="border:solid #aaa 1px; margin:0.5em 0 0.5em 0.5em;"> <table style="background:var(--background-color-interactive-subtle, #f9f9f9); color:inherit; font-size:85%; line-height:110%; 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