{"id":10863,"date":"2013-11-10T05:01:00","date_gmt":"2013-11-10T05:01:00","guid":{"rendered":"https:\/\/kiencang.net\/2013\/11\/10\/cach-dung-the-sup-va-sub-trong-html\/"},"modified":"2022-08-20T21:24:11","modified_gmt":"2022-08-20T14:24:11","slug":"sup-sub-trong-html","status":"publish","type":"post","link":"https:\/\/kiencang.net\/sup-sub-trong-html\/","title":{"rendered":"C\u00e1ch d\u00f9ng th\u1ebb sup v\u00e0 sub trong HTML"},"content":{"rendered":"\n<p>N\u1ebfu hay ph\u1ea3i vi\u1ebft c\u00e1c c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc, h\u00f3a h\u1ecdc, b\u1ea1n s\u1ebd c\u1ea7n d\u00f9ng th\u01b0\u1eddng xuy\u00ean hai th\u1ebb sup v\u00e0 sub. N\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o ch\u1ec9 s\u1ed1 tr\u00ean v\u00e0 ch\u1ec9 s\u1ed1 d\u01b0\u1edbi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1ebb sub<\/h3>\n\n\n\n<p>Th\u00ed d\u1ee5 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc 2H2&nbsp;+ O2 = 2H2O, n\u1ebfu kh\u00f4ng \u00e1p d\u1ee5ng ch\u1ec9 s\u1ed1 d\u01b0\u1edbi sub th\u00ec tr\u00f4ng s\u1ebd nh\u01b0 \u0111o\u1ea1n v\u1eeba g\u00f5, \u0111\u1ec3 s\u1eeda l\u1ea1i, ta d\u00f9ng \u0111o\u1ea1n code sau:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>2H&lt;sub&gt;2&lt;\/sub&gt; + O&lt;sub&gt;2&lt;\/sub&gt; = 2H&lt;sub&gt;2&lt;\/sub&gt;O<\/code><\/pre>\n\n\n\n<p>K\u1ebft qu\u1ea3:<\/p>\n\n\n\n<div style=\"text-align: center;\">2H<sub>2<\/sub>&nbsp;+ O<sub>2<\/sub> = 2H<sub>2<\/sub>O<\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1ebb sup<\/h3>\n\n\n\n<p>Th\u00ed d\u1ee5 ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 2: ax2&nbsp;+ bx&nbsp;+ c = 0<\/p>\n\n\n\n<p>\u0110\u00e1ng ra s\u1ed1 2 ph\u1ea3i \u1edf b\u00ean tr\u00ean bi\u1ebfn x. \u0110\u1ec3 s\u1eeda l\u1ea1i d\u00f2ng tr\u00ean, ta d\u00f9ng \u0111o\u1ea1n code sau:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ax&lt;sup&gt;2&lt;\/sup&gt; + bx + c = 0<\/code><\/pre>\n\n\n\n<p>K\u1ebft qu\u1ea3:<\/p>\n\n\n\n<div style=\"text-align: center;\">ax<sup>2<\/sup> + bx + c = 0<\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>Ngo\u00e0i ra th\u1ebb sup c\u0169ng hay \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o c\u00e1c ch\u00fa th\u00edch, ch\u1eb3ng h\u1ea1n:<\/p>\n\n\n\n<div style=\"text-align: center;\">Tr\u0103m n\u0103m trong c\u00f5i ng\u01b0\u1eddi ta<br>Ch\u1eef t\u00e0i ch\u1eef m\u1ec7nh kh\u00e9o l\u00e0 gh\u00e9t nhau<sup>[1]<\/sup><\/div>\n\n\n\n<p>[1]: Tr\u00edch trong t\u00e1c ph\u1ea9m Truy\u1ec7n Ki\u1ec1u c\u1ee7a Nguy\u1ec5n Du.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>B\u00ean c\u1ea1nh c\u00e1ch d\u00f9ng th\u1ebb sub v\u00e0 sup, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng <a href=\"https:\/\/kiencang.net\/8-thuoc-tinh-van-ban-trong-css\/\" target=\"_blank\" rel=\"noreferrer noopener\">thu\u1ed9c t\u00ednh vertical-align<\/a>, n\u00f3 c\u0169ng cho k\u1ebft qu\u1ea3 t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng b\u1ea1n s\u1ebd ch\u1ee7 \u0111\u1ed9ng h\u01a1n trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh CSS.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1ebfu hay ph\u1ea3i vi\u1ebft c\u00e1c c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc, h\u00f3a h\u1ecdc, b\u1ea1n s\u1ebd c\u1ea7n d\u00f9ng th\u01b0\u1eddng xuy\u00ean hai th\u1ebb sup v\u00e0 sub. N\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o ch\u1ec9 s\u1ed1 tr\u00ean v\u00e0 ch\u1ec9 s\u1ed1 d\u01b0\u1edbi. Th\u1ebb sub Th\u00ed d\u1ee5 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc 2H2&nbsp;+ O2 = 2H2O, n\u1ebfu kh\u00f4ng \u00e1p d\u1ee5ng ch\u1ec9 s\u1ed1 d\u01b0\u1edbi sub th\u00ec &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[235],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch d\u00f9ng th\u1ebb sup v\u00e0 sub trong HTML &#8226; Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/sup-sub-trong-html\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch d\u00f9ng th\u1ebb sup v\u00e0 sub trong HTML &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"N\u1ebfu hay ph\u1ea3i vi\u1ebft c\u00e1c c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc, h\u00f3a h\u1ecdc, b\u1ea1n s\u1ebd c\u1ea7n d\u00f9ng th\u01b0\u1eddng xuy\u00ean hai th\u1ebb sup v\u00e0 sub. N\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o ch\u1ec9 s\u1ed1 tr\u00ean v\u00e0 ch\u1ec9 s\u1ed1 d\u01b0\u1edbi. Th\u1ebb sub Th\u00ed d\u1ee5 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc 2H2&nbsp;+ O2 = 2H2O, n\u1ebfu kh\u00f4ng \u00e1p d\u1ee5ng ch\u1ec9 s\u1ed1 d\u01b0\u1edbi sub th\u00ec &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/sup-sub-trong-html\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2013-11-10T05:01:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-08-20T14:24:11+00:00\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C\u00e1ch d\u00f9ng th\u1ebb sup v\u00e0 sub trong HTML &#8226; Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/sup-sub-trong-html\/","og_locale":"vi_VN","og_type":"article","og_title":"C\u00e1ch d\u00f9ng th\u1ebb sup v\u00e0 sub trong HTML &#8226; Ki\u1ebfn c\u00e0ng","og_description":"N\u1ebfu hay ph\u1ea3i vi\u1ebft c\u00e1c c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc, h\u00f3a h\u1ecdc, b\u1ea1n s\u1ebd c\u1ea7n d\u00f9ng th\u01b0\u1eddng xuy\u00ean hai th\u1ebb sup v\u00e0 sub. N\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o ch\u1ec9 s\u1ed1 tr\u00ean v\u00e0 ch\u1ec9 s\u1ed1 d\u01b0\u1edbi. Th\u1ebb sub Th\u00ed d\u1ee5 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc 2H2&nbsp;+ O2 = 2H2O, n\u1ebfu kh\u00f4ng \u00e1p d\u1ee5ng ch\u1ec9 s\u1ed1 d\u01b0\u1edbi sub th\u00ec &hellip;","og_url":"https:\/\/kiencang.net\/sup-sub-trong-html\/","og_site_name":"Ki\u1ebfn c\u00e0ng","article_author":"https:\/\/www.facebook.com\/anhducnguyen87\/","article_published_time":"2013-11-10T05:01:00+00:00","article_modified_time":"2022-08-20T14:24:11+00:00","author":"Nguy\u1ec5n \u0110\u1ee9c Anh","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Nguy\u1ec5n \u0110\u1ee9c Anh","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"1 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kiencang.net\/sup-sub-trong-html\/","url":"https:\/\/kiencang.net\/sup-sub-trong-html\/","name":"C\u00e1ch d\u00f9ng th\u1ebb sup v\u00e0 sub trong HTML &#8226; Ki\u1ebfn c\u00e0ng","isPartOf":{"@id":"https:\/\/kiencang.net\/#website"},"datePublished":"2013-11-10T05:01:00+00:00","dateModified":"2022-08-20T14:24:11+00:00","author":{"@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16"},"breadcrumb":{"@id":"https:\/\/kiencang.net\/sup-sub-trong-html\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kiencang.net\/sup-sub-trong-html\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/kiencang.net\/sup-sub-trong-html\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kiencang.net\/"},{"@type":"ListItem","position":2,"name":"C\u00e1ch d\u00f9ng th\u1ebb sup v\u00e0 sub trong HTML"}]},{"@type":"WebSite","@id":"https:\/\/kiencang.net\/#website","url":"https:\/\/kiencang.net\/","name":"Ki\u1ebfn c\u00e0ng","description":"\u00d4m l\u00fd thuy\u1ebft, h\u00f4n th\u1ef1c h\u00e0nh","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kiencang.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16","name":"Nguy\u1ec5n \u0110\u1ee9c Anh","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/kiencang.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","caption":"Nguy\u1ec5n \u0110\u1ee9c Anh"},"description":"Sinh n\u0103m 1987, t\u1ed1t nghi\u1ec7p Cao \u0111\u1eb3ng th\u1ef1c h\u00e0nh FPT qu\u00e3ng 2014, chuy\u00ean ng\u00e0nh Thi\u1ebft k\u1ebf website. 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