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[o]" accesskey="o" class=""><span>Đăng nhập</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Thêm tùy chọn" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Công cụ cá nhân" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-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-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Công cụ cá nhân</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Bảng chọn thành viên" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_vi.wikibooks.org&uselang=vi"><span>Quyên góp</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:M%E1%BB%9F_t%C3%A0i_kho%E1%BA%A3n&returnto=B%E1%BB%99t+n%C4%83ng" title="Bạn được khuyến khích mở tài khoản và đăng nhập; tuy nhiên, không bắt buộc phải có tài khoản"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Tạo tài khoản</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:%C4%90%C4%83ng_nh%E1%BA%ADp&returnto=B%E1%BB%99t+n%C4%83ng" title="Đăng nhập sẽ có lợi hơn, tuy nhiên không bắt buộc. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Đăng nhập</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Trang dành cho người dùng chưa đăng nhập <a href="/wiki/Tr%E1%BB%A3_gi%C3%BAp:Gi%E1%BB%9Bi_thi%E1%BB%87u" aria-label="Tìm hiểu thêm về sửa đổi"><span>tìm hiểu thêm</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:%C4%90%C3%B3ng_g%C3%B3p_c%E1%BB%A7a_t%C3%B4i" title="Danh sách các sửa đổi được thực hiện qua địa chỉ IP này [y]" accesskey="y"><span>Đóng góp</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:Th%E1%BA%A3o_lu%E1%BA%ADn_t%C3%B4i" title="Thảo luận với địa chỉ IP này [n]" accesskey="n"><span>Thảo luận cho địa chỉ IP này</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><div id="mw-dismissablenotice-anonplace"></div><script>(function(){var node=document.getElementById("mw-dismissablenotice-anonplace");if(node){node.outerHTML="\u003Cdiv class=\"mw-dismissable-notice\"\u003E\u003Cdiv class=\"mw-dismissable-notice-close\"\u003E[\u003Ca tabindex=\"0\" role=\"button\"\u003Eẩn\u003C/a\u003E]\u003C/div\u003E\u003Cdiv class=\"mw-dismissable-notice-body\"\u003E\u003C!-- CentralNotice --\u003E\u003Cdiv id=\"localNotice\" data-nosnippet=\"\"\u003E\u003Cdiv class=\"sitenotice\" lang=\"vi\" dir=\"ltr\"\u003E\u003Cdiv style=\"text-align:center; font-weight:bold; font-size:125%\"\u003E\u003Ca href=\"/wiki/Wikibooks:Ph%C3%B2ng_th%E1%BA%A3o_lu%E1%BA%ADn\" title=\"Wikibooks:Phòng thảo luận\"\u003EHãy tham gia thảo luận định hướng phát triển Wikibooks tiếng Việt trong 5 năm tới!\u003C/a\u003E\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="Trang Web"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Bột năng</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang mw-portlet-lang-icon-only" > <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-empty" aria-label="Bài viết này chỉ tồn tại bằng ngôn ngữ này. Thêm bài viết cho các ngôn ngữ khác" > <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--icon-only mw-portlet-lang-heading-empty" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language mw-ui-icon-wikimedia-language"></span> <span class="vector-dropdown-label-text">Thêm ngôn ngữ</span> </label> <div class="vector-dropdown-content"> <div class="mw-portlet-empty-language-selector-body"> Nội dung trang không được hỗ trợ ở ngôn ngữ khác. </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Không gian tên"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/w/index.php?title=B%E1%BB%99t_n%C4%83ng&action=edit&redlink=1" title="Xem trang sách (trang không tồn tại) [c]" accesskey="c"><span>Sách</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Th%E1%BA%A3o_lu%E1%BA%ADn:B%E1%BB%99t_n%C4%83ng&action=edit&redlink=1" rel="discussion" class="new" title="Thảo luận về trang này (trang không tồn tại) [t]" accesskey="t"><span>Thảo luận</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Thay đổi biến thể ngôn ngữ" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tiếng Việt</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Giao diện"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=B%E1%BB%99t_n%C4%83ng&action=edit" title="Tạo trang này [e]" accesskey="e"><span>Tạo</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Công cụ trang"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Công cụ" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Công cụ</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Công cụ</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">chuyển sang thanh bên</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">ẩn</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Thêm tùy chọn" > <div class="vector-menu-heading"> Tác vụ </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=B%E1%BB%99t_n%C4%83ng&action=edit" title="Tạo trang này [e]" accesskey="e"><span>Tạo</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Chung </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:Li%C3%AAn_k%E1%BA%BFt_%C4%91%E1%BA%BFn_%C4%91%C3%A2y/B%E1%BB%99t_n%C4%83ng" title="Các trang liên kết đến đây [j]" accesskey="j"><span>Các liên kết đến đây</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=vi" title="Tải tập tin lên [u]" accesskey="u"><span>Tải lên tập tin</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:Trang_%C4%91%E1%BA%B7c_bi%E1%BB%87t" title="Một danh sách chứa tất cả trang đặc biệt [q]" accesskey="q"><span>Trang đặc biệt</span></a></li><li id="t-print" class="mw-list-item"><a href="javascript:print();" rel="alternate" title="Bản để in ra của trang [p]" accesskey="p"><span>Tải về bản in</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=B%E1%BB%99t_n%C4%83ng&action=info" title="Thêm chi tiết về trang này"><span>Thông tin trang</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:UrlShortener&url=https%3A%2F%2Fvi.wikibooks.org%2Fwiki%2FB%25E1%25BB%2599t_n%25C4%2583ng"><span>Lấy URL ngắn gọn</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:QrCode&url=https%3A%2F%2Fvi.wikibooks.org%2Fwiki%2FB%25E1%25BB%2599t_n%25C4%2583ng"><span>Tải mã QR</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects emptyPortlet" > <div class="vector-menu-heading"> Tại dự án khác </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Công cụ trang"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Giao diện"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Giao diện</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">chuyển sang thanh bên</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ẩn</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Tủ sách mở Wikibooks</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="noarticletext mw-content-ltr" dir="ltr" lang="vi"> <h2 id="Rất_tiếc,_Wikibooks_tiếng_Việt_không_có_sách_nào_với_tên_này." align="center" style="border: none; font-size: 175%; font-family:palatino linotype"><span id="R.E1.BA.A5t_ti.E1.BA.BFc.2C_Wikibooks_ti.E1.BA.BFng_Vi.E1.BB.87t_kh.C3.B4ng_c.C3.B3_s.C3.A1ch_n.C3.A0o_v.E1.BB.9Bi_t.C3.AAn_n.C3.A0y."></span><b>Rất tiếc, Wikibooks tiếng Việt không có sách nào với tên này.</b></h2> <table class="plainlinks" align="center" style="margin: 2em auto; min-width: 80%;"> <tbody><tr valign="top" align="center"> <td class="" width="20%"><span class="mw-default-size" typeof="mw:File"><a href="//vi.wikibooks.org/wiki/B%E1%BB%99t_n%C4%83ng?action=edit"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/OOjs_UI_icon_articleNew-ltr-progressive.svg/80px-OOjs_UI_icon_articleNew-ltr-progressive.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/OOjs_UI_icon_articleNew-ltr-progressive.svg/120px-OOjs_UI_icon_articleNew-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/58/OOjs_UI_icon_articleNew-ltr-progressive.svg/160px-OOjs_UI_icon_articleNew-ltr-progressive.svg.png 2x" data-file-width="24" data-file-height="24" /></a></span> <div class="mw-heading mw-heading4"><h4 id="Tạo_mới"><span id="T.E1.BA.A1o_m.E1.BB.9Bi"></span><a class="external text" href="https://vi.wikibooks.org/w/index.php?title=B%E1%BB%99t_n%C4%83ng&action=edit">Tạo mới</a></h4></div></td> <td width="20%"><span class="mw-default-size" typeof="mw:File"><a href="/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:T%C3%ACm_ki%E1%BA%BFm/B%E1%BB%99t_n%C4%83ng" title="Đặc biệt:Tìm kiếm/Bột năng"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/be/OOjs_UI_icon_articleSearch-ltr-progressive.svg/80px-OOjs_UI_icon_articleSearch-ltr-progressive.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/be/OOjs_UI_icon_articleSearch-ltr-progressive.svg/120px-OOjs_UI_icon_articleSearch-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/be/OOjs_UI_icon_articleSearch-ltr-progressive.svg/160px-OOjs_UI_icon_articleSearch-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> <div class="mw-heading mw-heading4"><h4 id="Tìm_văn_bản"><span id="T.C3.ACm_v.C4.83n_b.E1.BA.A3n"></span><a href="/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:T%C3%ACm_ki%E1%BA%BFm/B%E1%BB%99t_n%C4%83ng" title="Đặc biệt:Tìm kiếm/Bột năng">Tìm văn bản</a></h4></div></td> <td width="20%"><span typeof="mw:File"><a href="/wiki/Wikibooks:Th%E1%BB%89nh_c%E1%BA%A7u_s%C3%A1ch" title="Wikibooks:Thỉnh cầu sách"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/OOjs_UI_icon_bulb-progressive.svg/80px-OOjs_UI_icon_bulb-progressive.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/OOjs_UI_icon_bulb-progressive.svg/120px-OOjs_UI_icon_bulb-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b6/OOjs_UI_icon_bulb-progressive.svg/160px-OOjs_UI_icon_bulb-progressive.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span> <div class="mw-heading mw-heading4"><h4 id="Yêu_cầu_sách"><span id="Y.C3.AAu_c.E1.BA.A7u_s.C3.A1ch"></span><a href="/wiki/Wikibooks:Th%E1%BB%89nh_c%E1%BA%A7u_s%C3%A1ch" title="Wikibooks:Thỉnh cầu sách">Yêu cầu sách</a></h4></div></td> <td width="20%"><span typeof="mw:File"><a href="/wiki/Wikibooks:B%C3%A0n_tham_kh%E1%BA%A3o" title="Wikibooks:Bàn tham khảo"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ab/OOjs_UI_icon_journal-ltr-progressive.svg/80px-OOjs_UI_icon_journal-ltr-progressive.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ab/OOjs_UI_icon_journal-ltr-progressive.svg/120px-OOjs_UI_icon_journal-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ab/OOjs_UI_icon_journal-ltr-progressive.svg/160px-OOjs_UI_icon_journal-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> <div class="mw-heading mw-heading4"><h4 id="Phòng_hỏi_đáp"><span id="Ph.C3.B2ng_h.E1.BB.8Fi_.C4.91.C3.A1p"></span><a href="/wiki/Wikibooks:Ph%C3%B2ng_h%E1%BB%8Fi_%C4%91%C3%A1p" title="Wikibooks:Phòng hỏi đáp">Phòng hỏi đáp</a></h4></div></td> <td width="20%"><span class="mw-default-size" typeof="mw:File"><a href="https://vi.wikipedia.org/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:T%C3%ACm_ki%E1%BA%BFm/B%E1%BB%99t_n%C4%83ng" title="w:Đặc biệt:Tìm kiếm/Bột năng"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/OOjs_UI_icon_logo-wikipedia-progressive.svg/80px-OOjs_UI_icon_logo-wikipedia-progressive.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/OOjs_UI_icon_logo-wikipedia-progressive.svg/120px-OOjs_UI_icon_logo-wikipedia-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/OOjs_UI_icon_logo-wikipedia-progressive.svg/160px-OOjs_UI_icon_logo-wikipedia-progressive.svg.png 2x" data-file-width="24" data-file-height="24" /></a></span> <div class="mw-heading mw-heading4"><h4 id="Tra_Wikipedia"><a href="https://vi.wikipedia.org/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:T%C3%ACm_ki%E1%BA%BFm/B%E1%BB%99t_n%C4%83ng" class="extiw" title="w:Đặc biệt:Tìm kiếm/Bột năng">Tra Wikipedia</a></h4></div></td> </tr> </tbody></table> <p class="plainlinks" style="font-size: 90%;">Nếu bạn đã tạo ra trang này trong vài phút qua mà nó vẫn chưa hiện ra, có thể là vì cơ sở dữ liệu chưa được cập nhật. 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