{"id":7280,"date":"2017-12-22T17:06:42","date_gmt":"2017-12-22T17:06:42","guid":{"rendered":"https:\/\/kiencang.net\/?p=7280"},"modified":"2022-09-02T02:10:12","modified_gmt":"2022-09-01T19:10:12","slug":"su-dung-so-trong-ten-mien-top-web","status":"publish","type":"post","link":"https:\/\/kiencang.net\/su-dung-so-trong-ten-mien-top-web\/","title":{"rendered":"C\u00e1ch s\u1eed d\u1ee5ng s\u1ed1 trong t\u00ean mi\u1ec1n c\u1ee7a nh\u00f3m 100 ng\u00e0n website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao nh\u1ea5t th\u1ebf gi\u1edbi"},"content":{"rendered":"\n<p>D\u1ef1a tr\u00ean b\u1ea3ng x\u1ebfp h\u1ea1ng danh s\u00e1ch top 100 ng\u00e0n website h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi c\u1ee7a Alexa (qu\u00e3ng n\u0103m 2016), ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch c\u00e1ch s\u1eed d\u1ee5ng s\u1ed1 trong t\u00ean mi\u1ec1n c\u1ee7a nh\u00f3m n\u00e0y.<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc ti\u00ean ch\u00fang t\u00f4i lo\u1ea1i b\u1ecf c\u00e1c d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 website c\u00f3 s\u1ed1 nh\u01b0ng th\u1ef1c ra kh\u00f4ng ph\u1ea3i, c\u1ee5 th\u1ec3 l\u00e0 c\u00e1c t\u00ean mi\u1ec1n \u0111\u1eb7c bi\u1ec7t ki\u1ec3u nh\u01b0:\u00a0<code>xn--igbhe7b5a3d5a.com<\/code>, \u0111\u00e2y l\u00e0 t\u00ean mi\u1ec1n IDN (t\u00ean mi\u1ec1n \u0111a ng\u1eef) &#8211; m\u1ed9t d\u1ea1ng t\u00ean mi\u1ec1n s\u1eed d\u1ee5ng b\u1ea3ng ch\u1eef c\u00e1i c\u1ee7a c\u00e1c ng\u00f4n ng\u1eef n\u1eb1m ngo\u00e0i b\u1ea3ng ch\u1eef c\u00e1i ti\u1ebfng Anh, \u0111\u1ec3 m\u00e3 h\u00f3a n\u00f3 ph\u1ea3i s\u1eed d\u1ee5ng d\u1ea1ng nh\u01b0 tr\u00ean (r\u1ea5t hay c\u00f3 s\u1ed1, m\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng v\u1eady).<\/p>\n\n\n\n<p>Trong danh s\u00e1ch n\u00e0y c\u00f3 kho\u1ea3ng 0,1% t\u00ean mi\u1ec1n l\u00e0 d\u1ea1ng IDN v\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 lo\u1ea1i b\u1ecf ch\u00fang ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_60 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6577d7387c22d\" ><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6577d7387c22d\"  type=\"checkbox\" id=\"item-6577d7387c22d\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/kiencang.net\/su-dung-so-trong-ten-mien-top-web\/#A_Dinh_nghia_ve_cach_xac_dinh_su_dung_so_trong_ten_mien\" title=\"A. \u0110\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1ch x\u00e1c \u0111\u1ecbnh s\u1eed d\u1ee5ng s\u1ed1 trong t\u00ean mi\u1ec1n\">A. \u0110\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1ch x\u00e1c \u0111\u1ecbnh s\u1eed d\u1ee5ng s\u1ed1 trong t\u00ean mi\u1ec1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kiencang.net\/su-dung-so-trong-ten-mien-top-web\/#B_Ty_le_cac_ten_mien_co_so\" title=\"B. T\u1ef7 l\u1ec7 c\u00e1c t\u00ean mi\u1ec1n c\u00f3 s\u1ed1\">B. T\u1ef7 l\u1ec7 c\u00e1c t\u00ean mi\u1ec1n c\u00f3 s\u1ed1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kiencang.net\/su-dung-so-trong-ten-mien-top-web\/#C_Ten_mien_chi_toan_so\" title=\"C. T\u00ean mi\u1ec1n ch\u1ec9 to\u00e0n s\u1ed1\">C. T\u00ean mi\u1ec1n ch\u1ec9 to\u00e0n s\u1ed1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kiencang.net\/su-dung-so-trong-ten-mien-top-web\/#D_Ten_mien_co_ca_chu_va_so\" title=\"D. T\u00ean mi\u1ec1n c\u00f3 c\u1ea3 ch\u1eef v\u00e0 s\u1ed1\">D. T\u00ean mi\u1ec1n c\u00f3 c\u1ea3 ch\u1eef v\u00e0 s\u1ed1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kiencang.net\/su-dung-so-trong-ten-mien-top-web\/#E_So_bat_dau_va_So_ket_thuc\" title=\"E. S\u1ed1 b\u1eaft \u0111\u1ea7u v\u00e0 S\u1ed1 k\u1ebft th\u00fac\">E. S\u1ed1 b\u1eaft \u0111\u1ea7u v\u00e0 S\u1ed1 k\u1ebft th\u00fac<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kiencang.net\/su-dung-so-trong-ten-mien-top-web\/#F_Gia_tri_cu_the_nao_duoc_su_dung_nhieu_nhat\" title=\"F. Gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3 n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t\">F. Gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3 n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kiencang.net\/su-dung-so-trong-ten-mien-top-web\/#G_Co_phai_so_cang_nho_cang_duoc_su_dung_nhieu\" title=\"G. C\u00f3 ph\u1ea3i s\u1ed1 c\u00e0ng nh\u1ecf c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u?\">G. C\u00f3 ph\u1ea3i s\u1ed1 c\u00e0ng nh\u1ecf c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kiencang.net\/su-dung-so-trong-ten-mien-top-web\/#H_Co_nhieu_so_khong_duoc_dung_khong\" title=\"H. C\u00f3 nhi\u1ec1u s\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng kh\u00f4ng?\">H. C\u00f3 nhi\u1ec1u s\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng kh\u00f4ng?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"A_Dinh_nghia_ve_cach_xac_dinh_su_dung_so_trong_ten_mien\"><\/span>A. \u0110\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1ch x\u00e1c \u0111\u1ecbnh s\u1eed d\u1ee5ng s\u1ed1 trong t\u00ean mi\u1ec1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>T\u00f4i s\u1ebd \u0111\u01b0a ra c\u00e1c v\u00ed d\u1ee5 t\u00ean mi\u1ec1n c\u1ee5 th\u1ec3 \u0111\u1ec3 b\u1ea1n d\u1ec5 h\u00ecnh dung:<\/p>\n\n\n\n<ul><li>hao<strong>123<\/strong>.com: s\u1ed1 d\u00f9ng l\u00e0 <strong>123&nbsp;<\/strong>(s\u1ed1 \u1edf cu\u1ed1i)<\/li><li><strong>360<\/strong>.cn: s\u1ed1 d\u00f9ng l\u00e0 <strong>360&nbsp;<\/strong>(ch\u1ec9 d\u00f9ng s\u1ed1)<\/li><li><strong>9<\/strong>gag.com: s\u1ed1 d\u00f9ng l\u00e0 <strong>9 <\/strong>(s\u1ed1 \u1edf \u0111\u1ea7u)<\/li><li>w<strong>3<\/strong>schools.com: s\u1ed1 d\u00f9ng l\u00e0 <strong>3&nbsp;<\/strong>(s\u1ed1 \u1edf gi\u1eefa)<\/li><li>mobile0<strong>1<\/strong>.com: s\u1ed1 d\u00f9ng \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 <strong>1<\/strong>, ch\u1ee9 kh\u00f4ng ph\u1ea3i 01 ho\u1eb7c 0 v\u00e0 1 (tr\u1eeb tr\u01b0\u1eddng h\u1ee3p ch\u00fang t\u00f4i tr\u00edch xu\u1ea5t s\u1ed1 0 \u0111\u1eb1ng tr\u01b0\u1edbc trong m\u1ed9t s\u1ed1 th\u1ed1ng k\u00ea c\u1ee5 th\u1ec3)<\/li><li>g<strong>4<\/strong>d7.com: s\u1ed1 d\u00f9ng l\u00e0 <strong>4<\/strong>, ch\u1ee9 kh\u00f4ng ph\u1ea3i 47 ho\u1eb7c 4 v\u00e0 7<\/li><li>000webhost.com: s\u1ed1 d\u00f9ng l\u00e0 <strong>0<\/strong>, ch\u1ee9 kh\u00f4ng ph\u1ea3i 000<\/li><\/ul>\n\n\n\n<p>R\u00f5 r\u00e0ng c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1edbi m\u1ed9t v\u00e0i c\u00e1ch t\u00ednh s\u1ed1, ch\u1eb3ng h\u1ea1n nh\u01b0 3 d\u1ea1ng cu\u1ed1i (\u0111\u1eb7c bi\u1ec7t l\u00e0 ki\u1ec3u g4d7) nh\u01b0ng ph\u1ea7n l\u1edbn t\u00ean mi\u1ec1n c\u00f3 s\u1ed1 r\u01a1i v\u00e0o 4 d\u1ea1ng \u0111\u1ea7u ti\u00ean, c\u00e1c d\u1ea1ng c\u00f2n l\u1ea1i th\u1ef1c t\u1ebf r\u1ea5t \u00edt n\u00ean ch\u00fang ta kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 m\u1ed9t s\u1ed1 nh\u1ecf th\u1ed1ng k\u00ea kh\u00f4ng ho\u00e0n h\u1ea3o \u0111\u00f3.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"B_Ty_le_cac_ten_mien_co_so\"><\/span>B. T\u1ef7 l\u1ec7 c\u00e1c t\u00ean mi\u1ec1n c\u00f3 s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Khi <a href=\"https:\/\/kiencang.net\/cach-chon-ten-mien-hay\/\" target=\"_blank\" rel=\"noreferrer noopener\">ngh\u0129 t\u00ean mi\u1ec1n m\u1edbi<\/a>, m\u00e0 \u0111\u1ecbnh cho s\u1ed1 v\u00e0o t\u00ean mi\u1ec1n th\u00ec c\u1ea7n c\u00e2n nh\u1eafc k\u1ef9, v\u00ec n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y nh\u1ea7m l\u1eabn. Nh\u01b0 vi\u1ebft s\u1ed1 hay ch\u1eef (5 hay &#8220;n\u0103m&#8221;). Ho\u1eb7c \u00fd \u0111\u1ecbnh vi\u1ebft t\u1eaft theo ki\u1ec3u ti\u1ebfng Anh, gi\u1ea3 d\u1ee5 4 cho &#8220;for&#8221;, 2 cho &#8220;to&#8221;.<\/p>\n\n\n\n<p>Th\u1ef1c t\u1ebf t\u1ef7 l\u1ec7 t\u00ean mi\u1ec1n c\u00f3 s\u1ed1 cao h\u01a1n t\u00f4i ngh\u0129 kh\u00e1 nhi\u1ec1u, trong th\u1ed1ng k\u00ea c\u00f3 7996 t\u00ean mi\u1ec1n c\u00f3 s\u1ed1. N\u00f3i c\u00e1ch kh\u00e1c c\u00f3 <span style=\"font-size: 24pt;\"><strong>8%<\/strong><\/span> t\u00ean mi\u1ec1n c\u00f3 s\u1ed1 trong top 100 ng\u00e0n trang web h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi.<\/p>\n\n\n\n<p>H\u00f3a ra c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1eb7t t\u00ean mi\u1ec1n c\u00f3 s\u1ed1 \u0111\u1ee7 hay v\u00e0 r\u1ea5t \u00edt g\u00e2y nh\u1ea7m l\u1ea7n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"C_Ten_mien_chi_toan_so\"><\/span>C. T\u00ean mi\u1ec1n ch\u1ec9 to\u00e0n s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>S\u1ed1 trong t\u00ean mi\u1ec1n c\u00f3 2 d\u1ea1ng:<\/p>\n\n\n\n<ol><li>T\u00ean mi\u1ec1n ch\u1ec9 to\u00e0n s\u1ed1, kh\u00f4ng c\u00f3 k\u00fd t\u1ef1 n\u00e0o kh\u00e1c (v\u00ed d\u1ee5: 01.org ho\u1eb7c 123.com)<\/li><li>T\u00ean mi\u1ec1n c\u00f3 c\u1ea3 ch\u1eef v\u00e0 s\u1ed1 (c\u00f3 \u00edt nh\u1ea5t m\u1ed9t k\u00fd t\u1ef1 ngo\u00e0i s\u1ed1, th\u00ed d\u1ee5 0-6.com ho\u1eb7c a123.com)<\/li><\/ol>\n\n\n\n<p>\u0110\u00fang nh\u01b0 d\u1ef1 \u0111o\u00e1n, kh\u00f4ng c\u00f3 nhi\u1ec1u t\u00ean mi\u1ec1n ch\u1ec9 to\u00e0n s\u1ed1, theo th\u1ed1ng k\u00ea c\u1ee7a ch\u00fang t\u00f4i ch\u1ec9 c\u00f3 695 t\u00ean mi\u1ec1n to\u00e0n s\u1ed1, chi\u1ebfm ch\u01b0a \u0111\u1ebfn 9% t\u1ed5ng s\u1ed1 t\u00ean mi\u1ec1n c\u00f3 s\u1ed1, v\u00e0 ch\u1ec9 chi\u1ebfm 0,7% trong to\u00e0n b\u1ed9 danh s\u00e1ch t\u00ean mi\u1ec1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"D_Ten_mien_co_ca_chu_va_so\"><\/span>D. T\u00ean mi\u1ec1n c\u00f3 c\u1ea3 ch\u1eef v\u00e0 s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nh\u01b0 v\u1eady t\u00ean mi\u1ec1n c\u00f3 c\u1ea3 ch\u1eef v\u00e0 s\u1ed1 chi\u1ebfm h\u01a1n 90% trong d\u1ea1ng t\u00ean mi\u1ec1n c\u00f3 s\u1ed1.<\/p>\n\n\n\n<p>T\u00ean mi\u1ec1n c\u00f3 c\u1ea3 ch\u1eef v\u00e0 s\u1ed1 \u0111\u01b0\u1ee3c chia ti\u1ebfp th\u00e0nh 3 d\u1ea1ng:<\/p>\n\n\n\n<ol><li>S\u1ed1 \u1edf v\u1ecb tr\u00ed b\u1eaft \u0111\u1ea7u c\u1ee7a t\u00ean mi\u1ec1n (c\u00e1c k\u00fd t\u1ef1 \u0111\u1eb1ng sau l\u00e0 <em>ch\u1eef<\/em> ho\u1eb7c <em>ch\u1eef v\u00e0 s\u1ed1<\/em>)<\/li><li>S\u1ed1 \u1edf v\u1ecb tr\u00ed cu\u1ed1i c\u1ee7a t\u00ean mi\u1ec1n (k\u00fd t\u1ef1 \u0111\u1ea7u ti\u00ean l\u00e0 ch\u1eef)<\/li><li>S\u1ed1 \u1edf v\u1ecb tr\u00ed gi\u1eefa t\u00ean mi\u1ec1n (k\u00fd t\u1ef1 \u0111\u1ea7u ti\u00ean v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 ch\u1eef)<\/li><\/ol>\n\n\n\n<p>K\u1ebft qu\u1ea3 th\u1ed1ng k\u00ea cho th\u1ea5y c\u00f3:<\/p>\n\n\n\n<ul><li>2155 t\u00ean mi\u1ec1n b\u1eaft \u0111\u1ea7u l\u00e0 s\u1ed1, sau \u0111\u00f3 l\u00e0 ch\u1eef (nh\u01b0 123abc.com ho\u1eb7c 123abc5.com)<\/li><li>3499 t\u00ean mi\u1ec1n k\u1ebft th\u00fac l\u00e0 s\u1ed1, \u1edf tr\u01b0\u1edbc c\u00f3 ch\u1eef (nh\u01b0 abc123.com)<\/li><li>C\u00f3 1647 t\u00ean mi\u1ec1n c\u00f3 s\u1ed1 \u1edf gi\u1eefa (tr\u01b0\u1edbc v\u00e0 sau ch\u1ec9 c\u00f3 ch\u1eef, t\u00fac l\u00e0 ch\u1ec9 t\u00ednh d\u1ea1ng nh\u01b0 a123bc.com ho\u1eb7c a12b5c.com)<\/li><\/ul>\n\n\n\n<p>T\u00ednh ra t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m (cho c\u1ea3 m\u1ee5c C v\u00e0 D):<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/cac-kieu-ten-mien-co-so.png\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/cac-kieu-ten-mien-co-so.png\" alt=\"c\u00e1c ki\u1ec3u t\u00ean mi\u1ec1n c\u00f3 s\u1ed1\" class=\"wp-image-7294\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/cac-kieu-ten-mien-co-so.png 800w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/cac-kieu-ten-mien-co-so-300x188.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/cac-kieu-ten-mien-co-so-768x480.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/cac-kieu-ten-mien-co-so-585x366.png 585w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure><\/div>\n\n\n<p>K\u1ebft lu\u1eadn ki\u1ec3u t\u00ean mi\u1ec1n c\u00f3 s\u1ed1 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 tr\u01b0\u1edbc c\u00f3 ch\u1eef, sau l\u00e0 s\u1ed1.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"E_So_bat_dau_va_So_ket_thuc\"><\/span>E. S\u1ed1 b\u1eaft \u0111\u1ea7u v\u00e0 S\u1ed1 k\u1ebft th\u00fac<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110i\u1ec1u ch\u00fang t\u00f4i mu\u1ed1n bi\u1ebft ti\u1ebfp theo l\u00e0 s\u1ed1 th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac b\u1eb1ng con s\u1ed1 c\u1ee5 th\u1ec3 n\u00e0o.<\/p>\n\n\n\n<p>\u0110\u1ea7u ti\u00ean ch\u00fang t\u00f4i ch\u1ec9 x\u00e9t t\u00ean mi\u1ec1n b\u1eaft \u0111\u1ea7u l\u00e0 s\u1ed1 (bao g\u1ed3m t\u00ean mi\u1ec1n to\u00e0n s\u1ed1 [123.com], ho\u1eb7c t\u00ean mi\u1ec1n tr\u01b0\u1edbc l\u00e0 s\u1ed1 sau l\u00e0 ch\u1eef [123abc.com]) th\u00ec s\u1ed1 \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1ec1 m\u1eb7t th\u1ed1ng k\u00ea thu\u1ed9c v\u1ec1 s\u1ed1 n\u00e0o (t\u1eeb 0 \u0111\u1ebfn 9 &#8211; l\u01b0u \u00fd tr\u01b0\u1eddng h\u1ee3p n\u00e0y ch\u00fang t\u00f4i tr\u00edch xu\u1ea5t s\u1ed1 0 \u0111\u1eb1ng tr\u01b0\u1edbc), d\u01b0\u1edbi \u0111\u00e2y l\u00e0 k\u1ebft qu\u1ea3 (tr\u1ee5c tung l\u00e0 s\u1ed1 l\u1ea7n l\u1eb7p l\u1ea1i, tr\u1ee5c ho\u00e0nh l\u00e0 con s\u1ed1 c\u1ee5 th\u1ec3):<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-dau-tien-duoc-dung-nhieu-nhat.png\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"371\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-dau-tien-duoc-dung-nhieu-nhat.png\" alt=\"s\u1ed1 \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t\" class=\"wp-image-7297\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-dau-tien-duoc-dung-nhieu-nhat.png 600w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-dau-tien-duoc-dung-nhieu-nhat-300x186.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-dau-tien-duoc-dung-nhieu-nhat-585x362.png 585w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure><\/div>\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng th\u1ea5y, s\u1ed1 1 \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u nhi\u1ec1u nh\u1ea5t, c\u00f2n 0, 6, 8 \u00edt nh\u1ea5t. C\u00e1c s\u1ed1 1, 3, 5, 7, 9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n g\u1ea5p \u0111\u00f4i c\u00e1c s\u1ed1 0, 2, 4, 6, 8 x\u00e9t tr\u00ean t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n<p>Tr\u01b0\u1eddng h\u1ee3p t\u00ednh tr\u00ean to\u00e0n b\u1ed9 d\u1eef li\u1ec7u g\u1ed3m 7996 t\u00ean mi\u1ec1n c\u00f3 s\u1ed1 trong danh s\u00e1ch th\u00ec k\u1ebft qu\u1ea3 thay \u0111\u1ed5i (t\u1ee9c l\u00e0 bao g\u1ed3m m\u1ecdi v\u1ecb tr\u00ed s\u1ed1 trong t\u00ean mi\u1ec1n &#8211; nh\u01b0ng v\u1eabn ch\u1ec9 x\u00e9t s\u1ed1 xu\u1ea5t hi\u1ec7n \u0111\u1ea7u ti\u00ean [v\u00ed d\u1ee5 a123b.com &#8211; s\u1ed1 \u1edf v\u1ecb tr\u00ed gi\u1eefa, s\u1ed1 \u0111\u1ea7u ti\u00ean xu\u1ea5t hi\u1ec7n l\u00e0 1]):<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-duoc-dung-nhieu-tat-ca.png\"><img loading=\"lazy\" decoding=\"async\" width=\"625\" height=\"332\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-duoc-dung-nhieu-tat-ca.png\" alt=\"s\u1ed1 \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t, t\u00ednh tr\u00ean to\u00e0n d\u1eef li\u1ec7u\" class=\"wp-image-7300\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-duoc-dung-nhieu-tat-ca.png 625w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-duoc-dung-nhieu-tat-ca-300x159.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/so-duoc-dung-nhieu-tat-ca-585x311.png 585w\" sizes=\"(max-width: 625px) 100vw, 625px\" \/><\/a><\/figure><\/div>\n\n\n<p>0, 6, 8 v\u1eabn \u0111\u01b0\u1ee3c d\u00f9ng \u00edt nh\u1ea5t, nh\u01b0ng v\u1ecb tr\u00ed d\u1eabn \u0111\u1ea7u thu\u1ed9c v\u1ec1 2, v\u00e0 1 \u0111\u1ee9ng ngay k\u1ebf ti\u1ebfp.<\/p>\n\n\n\n<p>Ti\u1ebfp \u0111\u1ebfn ch\u00fang t\u00f4i th\u1ed1ng k\u00ea c\u00e1c s\u1ed1 \u0111\u01b0\u1ee3c d\u00f9ng \u1edf v\u1ecb tr\u00ed cu\u1ed1i, ch\u1eb3ng h\u1ea1n a123.com ho\u1eb7c a123b.com th\u00ec s\u1ed1 cu\u1ed1i l\u00e0 3. K\u1ebft qu\u1ea3 nh\u01b0 sau t\u00ednh tr\u00ean to\u00e0n b\u1ed9 t\u00ean mi\u1ec1n c\u00f3 s\u1ed1 (l\u01b0u \u00fd ch\u00fang t\u00f4i kh\u00f4ng t\u00ednh t\u00ean mi\u1ec1n ch\u1ec9 c\u00f3 1 s\u1ed1, ch\u1eb3ng h\u1ea1n a2b.com s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh k\u1ebft th\u00fac l\u00e0 2, t\u00ean mi\u1ec1n n\u00e0y ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ednh b\u1eaft \u0111\u1ea7u l\u00e0 2, ngo\u00e0i ra trong th\u1ed1ng k\u00ea n\u00e0y n\u1ebfu t\u00ean mi\u1ec1n c\u00f3 2 s\u1ed1 t\u00e1ch ra l\u00e0m \u0111\u00f4i th\u00ec ch\u1ec9 s\u1ed1 \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c t\u00ednh, v\u00ed d\u1ee5 a123bc45.com, th\u00ec s\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 123, v\u00e0 v\u1ecb tr\u00ed cu\u1ed1i \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 3, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 5, \u0111i\u1ec1u n\u00e0y c\u00f3 kh\u00f4ng c\u00f4ng b\u1eb1ng nh\u01b0ng d\u00f9 sao nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady xu\u1ea5t hi\u1ec7n r\u1ea5t \u00edt.):<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/ket-thuc-so-nao-nhieu-nhat.png\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"371\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/ket-thuc-so-nao-nhieu-nhat.png\" alt=\"k\u1ebft th\u00fac s\u1ed1 n\u00e0o nhi\u1ec1u nh\u1ea5t\" class=\"wp-image-7301\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/ket-thuc-so-nao-nhieu-nhat.png 600w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/ket-thuc-so-nao-nhieu-nhat-300x186.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/ket-thuc-so-nao-nhieu-nhat-585x362.png 585w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure><\/div>\n\n\n<p>K\u1ebft qu\u1ea3 0, 1 v\u00e0 4 \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t, c\u00e1c s\u1ed1 c\u00f2n l\u1ea1i kh\u00e1 t\u01b0\u01a1ng \u0111\u1ed3ng. S\u1ef1 n\u1ed5i tr\u1ed9i c\u1ee7a 0 \u1edf v\u1ecb tr\u00ed cu\u1ed1i cho th\u1ea5y s\u1ef1 \u01b0a th\u00edch s\u1eed d\u1ee5ng s\u1ed1 tr\u00f2n trong t\u00ean mi\u1ec1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"F_Gia_tri_cu_the_nao_duoc_su_dung_nhieu_nhat\"><\/span>F. Gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3 n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 top 21 s\u1ed1 \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t trong t\u00ean mi\u1ec1n (tr\u1ee5c tung l\u00e0 s\u1ed1 l\u1ea7n l\u1eb7p, tr\u1ee5c ho\u00e0nh l\u00e0 gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3 &#8211; tr\u01b0\u1eddng h\u1ee3p n\u00e0y 01 s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 1):<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/21-so-duoc-dung-nhieu-nhat.png\"><img loading=\"lazy\" decoding=\"async\" width=\"690\" height=\"427\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/21-so-duoc-dung-nhieu-nhat.png\" alt=\"21 s\u1ed1 \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t trong t\u00ean mi\u1ec1n\" class=\"wp-image-7281\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/21-so-duoc-dung-nhieu-nhat.png 690w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/21-so-duoc-dung-nhieu-nhat-300x186.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/21-so-duoc-dung-nhieu-nhat-585x362.png 585w\" sizes=\"(max-width: 690px) 100vw, 690px\" \/><\/a><\/figure><\/div>\n\n\n<p>Ch\u00fang ta nh\u00ecn th\u1ea5y r\u00f5 s\u1ed1 \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t l\u00e0 s\u1ed1 2, ti\u1ebfp \u0111\u1ebfn l\u00e0 4, 3, 1, 24, 5,&#8230;Trong \u0111\u00f3 c\u00f3 nh\u1eefng s\u1ed1 c\u00f3 \u00fd ngh\u0129a kh\u00e1 r\u00f5 nh\u01b0 24, 123, 10, 365, 360.<\/p>\n\n\n\n<p>X\u00e9t trong nh\u00f3m s\u1ed1 t\u1eeb 1 \u0111\u1ebfn 100, t\u1ea7n s\u1ed1 ph\u00e2n b\u1ed1 nh\u01b0 sau:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/tan-so-phan-bo-su-dung-top-100.png\"><img loading=\"lazy\" decoding=\"async\" width=\"672\" height=\"371\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/tan-so-phan-bo-su-dung-top-100.png\" alt=\"t\u1ea7n s\u1ed1 ph\u00e2n b\u1ed1 s\u1eed d\u1ee5ng - top 100 s\u1ed1 \u0111\u1ea7u ti\u00ean\" class=\"wp-image-7282\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/tan-so-phan-bo-su-dung-top-100.png 672w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/tan-so-phan-bo-su-dung-top-100-300x166.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/tan-so-phan-bo-su-dung-top-100-585x323.png 585w\" sizes=\"(max-width: 672px) 100vw, 672px\" \/><\/a><\/figure><\/div>\n\n\n<p>C\u00f3 th\u1ec3 th\u1ea5y c\u00e1c s\u1ed1 t\u1eeb 1 &#8211; 24 \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng s\u1ed1 \u0111\u1ea7u ti\u00ean. H\u00ecnh b\u00ean d\u01b0\u1edbi cho c\u00e1i nh\u00ecn c\u1eadn c\u1ea3nh h\u01a1n v\u1ec1 10 s\u1ed1 \u0111\u1ea7u ti\u00ean \u0111\u00f3:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/10-so-dau-tien.png\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"371\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/10-so-dau-tien.png\" alt=\"10 s\u1ed1 \u0111\u1ea7u ti\u00ean\" class=\"wp-image-7283\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/10-so-dau-tien.png 600w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/10-so-dau-tien-300x186.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/10-so-dau-tien-585x362.png 585w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure><\/div>\n\n\n<p>X\u00e9t v\u1ec1 kho\u1ea3ng gi\u00e1 tr\u1ecb, ph\u1ea7n l\u1edbn n\u1eb1m trong nh\u00f3m t\u1eeb 100 tr\u1edf xu\u1ed1ng:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/100-tro-xuong.png\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/100-tro-xuong.png\" alt=\"ph\u1ea7n l\u1edbn c\u00e1c con s\u1ed1 l\u00e0 t\u1eeb 100 tr\u1edf xu\u1ed1ng\" class=\"wp-image-7285\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/100-tro-xuong.png 800w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/100-tro-xuong-300x188.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/100-tro-xuong-768x480.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2017\/12\/100-tro-xuong-585x366.png 585w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure><\/div>\n\n\n<p>H\u00ecnh tr\u00ean c\u00f3 ngh\u0129a l\u00e0 73% t\u00ean mi\u1ec1n c\u00f3 ch\u1ee9a s\u1ed1 m\u00e0 c\u00e1c s\u1ed1 \u0111\u00f3 c\u00f3 gi\u00e1 tr\u1ecb t\u1eeb 100 tr\u1edf xu\u1ed1ng.<\/p>\n\n\n\n<p>N\u1ebfu \u0111\u1ea9y gi\u00e1 tr\u1ecb l\u00ean 1000, t\u1ef7 l\u1ec7 x\u1ea5p x\u1ec9 89%. \u0110\u1ea9y ti\u1ebfp l\u00ean 10.000 th\u00ec t\u1ef7 l\u1ec7 l\u00e0 95%.<\/p>\n\n\n\n<p>N\u1ebfu ch\u1ec9 x\u00e9t t\u1eeb 1 &#8211; 10, g\u1ea7n 47% t\u00ean mi\u1ec1n c\u00f3 ch\u1ee9a s\u1ed1 trong kho\u1ea3ng n\u00e0y.<\/p>\n\n\n\n<p>Kh\u00f4ng c\u00f4ng b\u1eb1ng l\u1eafm cho s\u1ed1 0, nh\u01b0ng n\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft t\u1ef7 l\u1ec7, n\u00f3 c\u00f3 s\u1ed1 l\u1ea7n l\u1eb7p k\u00e9m 9 l\u1ea7n so v\u1edbi s\u1ed1 1.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"G_Co_phai_so_cang_nho_cang_duoc_su_dung_nhieu\"><\/span>G. C\u00f3 ph\u1ea3i s\u1ed1 c\u00e0ng nh\u1ecf c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Hay ng\u01b0\u1ee3c l\u1ea1i s\u1ed1 c\u00e0ng l\u1edbn c\u00e0ng \u00edt \u0111\u01b0\u1ee3c d\u00f9ng, li\u1ec7u c\u00f3 \u0111\u00fang kh\u00f4ng.<\/p>\n\n\n\n<p>Ch\u00fang t\u00f4i \u0111\u00e1nh gi\u00e1 m\u1ed1i t\u01b0\u01a1ng quan n\u00e0y, n\u00f3 r\u1ea5t r\u00f5 n\u00e9t n\u1ec1u t\u00ednh t\u1eeb 1 &#8211; 10: h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan l\u00e0 -0,81 (c\u00e0ng g\u1ea7n -1 c\u00e0ng t\u01b0\u01a1ng quan ngh\u1ecbch).<\/p>\n\n\n\n<p>Nh\u01b0ng m\u1edd d\u1ea7n khi c\u00e1c con s\u1ed1 t\u0103ng d\u1ea7n gi\u00e1 tr\u1ecb, th\u00ed d\u1ee5 t\u1eeb 1 &#8211; 100: h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan l\u00e0 -0,49<\/p>\n\n\n\n<p>T\u1eeb 1 &#8211; 1000: h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan ch\u1ec9 l\u00e0 -0,22 (c\u00e0ng g\u1ea7n 0 c\u00e0ng kh\u00f4ng c\u00f3 m\u1ed1i t\u01b0\u01a1ng quan).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"H_Co_nhieu_so_khong_duoc_dung_khong\"><\/span>H. C\u00f3 nhi\u1ec1u s\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Th\u1ed1ng k\u00ea cho th\u1ea5y c\u00f3 r\u1ea5t nhi\u1ec1u s\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng b\u1ea5t c\u1ee9 l\u1ea7n n\u00e0o trong top 100 ng\u00e0n t\u00ean mi\u1ec1n h\u00e0ng \u0111\u1ea7u n\u00e0y, ch\u1eb3ng h\u1ea1n nh\u01b0 128, 130, 134, v\u00e2n v\u00e2n.<\/p>\n\n\n\n<p>S\u1edf d\u0129 kho\u1ea3ng t\u1eeb 1 &#8211; 1000 g\u1ea7n nh\u01b0 kh\u00f4ng cho th\u1ea5y c\u00f3 t\u01b0\u01a1ng quan ngh\u1ecbch l\u00e0 v\u00ec trong nh\u00f3m n\u00e0y c\u00f3 \u0111\u1ebfn 573 s\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1ea5t c\u1ee9 l\u1ea7n n\u00e0o trong t\u00ean mi\u1ec1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u1ef1a tr\u00ean b\u1ea3ng x\u1ebfp h\u1ea1ng danh s\u00e1ch top 100 ng\u00e0n website h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi c\u1ee7a Alexa (qu\u00e3ng n\u0103m 2016), ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch c\u00e1ch s\u1eed d\u1ee5ng s\u1ed1 trong t\u00ean mi\u1ec1n c\u1ee7a nh\u00f3m n\u00e0y. Tr\u01b0\u1edbc ti\u00ean ch\u00fang t\u00f4i lo\u1ea1i b\u1ecf c\u00e1c d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c. M\u1ed9t s\u1ed1 website c\u00f3 s\u1ed1 nh\u01b0ng th\u1ef1c &hellip;<\/p>\n","protected":false},"author":1,"featured_media":7289,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch s\u1eed d\u1ee5ng s\u1ed1 trong t\u00ean mi\u1ec1n c\u1ee7a nh\u00f3m 100 ng\u00e0n website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao nh\u1ea5t th\u1ebf gi\u1edbi &#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\/su-dung-so-trong-ten-mien-top-web\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch s\u1eed d\u1ee5ng s\u1ed1 trong t\u00ean mi\u1ec1n c\u1ee7a nh\u00f3m 100 ng\u00e0n website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao nh\u1ea5t th\u1ebf gi\u1edbi &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"D\u1ef1a tr\u00ean b\u1ea3ng x\u1ebfp h\u1ea1ng danh s\u00e1ch top 100 ng\u00e0n website h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi c\u1ee7a Alexa (qu\u00e3ng n\u0103m 2016), ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch c\u00e1ch s\u1eed d\u1ee5ng s\u1ed1 trong t\u00ean mi\u1ec1n c\u1ee7a nh\u00f3m n\u00e0y. Tr\u01b0\u1edbc ti\u00ean ch\u00fang t\u00f4i lo\u1ea1i b\u1ecf c\u00e1c d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c. 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