{"id":11670,"date":"2023-11-21T18:56:48","date_gmt":"2023-11-21T11:56:48","guid":{"rendered":"https:\/\/teky.edu.vn\/blog\/?p=11670"},"modified":"2023-11-23T16:12:31","modified_gmt":"2023-11-23T09:12:31","slug":"huong-dan-cach-su-dung-ham-lam-tron-trong-excel-chi-tiet","status":"publish","type":"post","link":"https:\/\/teky.edu.vn\/blog\/huong-dan-cach-su-dung-ham-lam-tron-trong-excel-chi-tiet\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n trong Excel chi ti\u1ebft"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;11670&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;3&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (3 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n trong Excel chi ti\u1ebft&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (3 b\u00ecnh ch\u1ecdn)    <\/div>\n    <\/div>\n<p><span style=\"font-weight: 400;\">H\u00e0m l\u00e0m tr\u00f2n trong Excel l\u00e0 m\u1ed9t trong nh\u1eefng h\u00e0m ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u. C\u00e1ch s\u1eed d\u1ee5ng h\u00e0m n\u00e0y c\u0169ng r\u1ea5t \u0111\u01a1n gi\u1ea3n. Nh\u01b0ng m\u1ed9t s\u1ed1 ng\u01b0\u1eddi \u00edt d\u00f9ng Excel ho\u1eb7c m\u1edbi s\u1eed d\u1ee5ng s\u1ebd \u00edt nhi\u1ec1u g\u1eb7p kh\u00f3 kh\u0103n. V\u1eady h\u00e3y c\u00f9ng Teky.edu.vn theo d\u00f5i c\u00e1c th\u00f4ng tin trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng nh\u00e9.\u00a0<\/span><\/p>\n<p><!--more--><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung <\/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\"><span class=\"ez-toc-js-icon-con\"><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><\/span><\/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:\/\/teky.edu.vn\/blog\/huong-dan-cach-su-dung-ham-lam-tron-trong-excel-chi-tiet\/#Khai_niem_ham_Round_la_gi\" >Kh\u00e1i ni\u1ec7m h\u00e0m Round l\u00e0 g\u00ec?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/teky.edu.vn\/blog\/huong-dan-cach-su-dung-ham-lam-tron-trong-excel-chi-tiet\/#Cac_vi_du_cu_the_ve_ham_lam_tron_so_trong_Excel\" >C\u00e1c v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 h\u00e0m l\u00e0m tr\u00f2n s\u1ed1 trong Excel<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/teky.edu.vn\/blog\/huong-dan-cach-su-dung-ham-lam-tron-trong-excel-chi-tiet\/#De_lam_tron_cac_so_nay_ban_se_bam_cu_the_nhu_sau\" >\u0110\u1ec3 l\u00e0m tr\u00f2n c\u00e1c s\u1ed1 n\u00e0y b\u1ea1n s\u1ebd b\u1ea5m c\u1ee5 th\u1ec3 nh\u01b0 sau<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/teky.edu.vn\/blog\/huong-dan-cach-su-dung-ham-lam-tron-trong-excel-chi-tiet\/#Mot_so_ham_khac_lien_quan_den_ham_lam_tron_trong_Excel\" >M\u1ed9t s\u1ed1 h\u00e0m kh\u00e1c li\u00ean quan \u0111\u1ebfn h\u00e0m l\u00e0m tr\u00f2n trong Excel<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/teky.edu.vn\/blog\/huong-dan-cach-su-dung-ham-lam-tron-trong-excel-chi-tiet\/#Ham_Roundup\" >H\u00e0m Roundup<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/teky.edu.vn\/blog\/huong-dan-cach-su-dung-ham-lam-tron-trong-excel-chi-tiet\/#Mot_so_vi_du_ve_ham_nay\" >M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 h\u00e0m n\u00e0y<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/teky.edu.vn\/blog\/huong-dan-cach-su-dung-ham-lam-tron-trong-excel-chi-tiet\/#Ham_Rounddown\" >H\u00e0m Rounddown<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Khai_niem_ham_Round_la_gi\"><\/span><span style=\"font-weight: 400;\">Kh\u00e1i ni\u1ec7m h\u00e0m Round l\u00e0 g\u00ec?\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\"><strong>H\u00e0m Round<\/strong> l\u00e0 h\u00e0m ph\u1ed5 bi\u1ebfn trong Excel, h\u00e0m n\u00e0y c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 h\u00e0m l\u00e0m tr\u00f2 s\u1ed1 nguy\u00ean trong Excel. H\u00e0m n\u00e0y s\u1ebd d\u00f9ng \u0111\u1ec3 l\u00e0m tr\u00f2n m\u1ed9t s\u1ed1 v\u1edbi m\u1ed9t s\u1ed1 nh\u1ea5t \u0111\u1ecbnh n\u00e0o \u0111\u00f3 m\u00e0 b\u1ea1n mong mu\u1ed1n. \u0110\u00e2y l\u00e0 h\u00e0m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u trong Excel.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f4ng th\u1ee9c c\u1ee7a h\u00e0m l\u00e0m tr\u00f2n trong Excel s\u1ebd nh\u01b0 sau: <strong>=ROUND(Number, Num_digits)<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ee5 th\u1ec3 gi\u1ea3i th\u00edch cho c\u00f4ng th\u1ee9c n\u00e0y l\u00e0:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Number l\u00e0 s\u1ed1 m\u00e0 b\u1ea1n mu\u1ed1n \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Num_digits l\u00e0 s\u1ed1 ch\u1eef s\u1ed1 m\u00e0 b\u1ea1n mu\u1ed1n l\u00e0m tr\u00f2n.<\/span><\/li>\n<\/ul>\n<p><strong>M\u1ed9t s\u1ed1 l\u01b0u \u00fd cho c\u00f4ng th\u1ee9c n\u00e0y l\u00e0:\u00a0<\/strong><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">N\u00ea\u0301u Num_digits l\u00e0 s\u1ed1 d\u01b0\u01a1ng th\u00ec s\u00f4\u0301 s\u1ebd \u0111\u01b0\u01a1\u0323c la\u0300m tro\u0300n t\u01a1\u0301i s\u00f4\u0301 vi\u0323 tri\u0301 th\u00e2\u0323p ph\u00e2n \u0111\u01b0\u01a1\u0323c chi\u0309 \u0111i\u0323nh.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">N\u00ea\u0301u Num_digits trong tr\u01b0\u1eddng h\u1ee3p b\u1eb1ng 0 th\u00ec s\u00f4\u0301 s\u1ebd \u0111\u01b0\u01a1\u0323c la\u0300m tro\u0300n t\u01a1\u0301i s\u00f4\u0301 nguy\u00ean g\u00e2\u0300n nh\u00e2\u0301t.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">N\u00ea\u0301u Num_digits l\u00e0 s\u1ed1 \u00e2m th\u00ec s\u00f4\u0301 s\u1ebd \u0111\u01b0\u01a1\u0323c la\u0300m tro\u0300n sang b\u00ean tra\u0301i d\u00e2\u0301u th\u00e2\u0323p ph\u00e2n.<\/span><\/li>\n<\/ul>\n<p>&gt;&gt;&gt; Xem th\u00eam :<a href=\"https:\/\/teky.edu.vn\/blog\/ham-noi-ky-tu-trong-excel\/\"> <span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot; H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng h\u00e0m n\u1ed1i k\u00fd t\u1ef1 trong Excel chi ti\u1ebft nh\u1ea5t&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:12706,&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16185335},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:{&quot;1&quot;:2,&quot;2&quot;:12829895}},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;11&quot;:4,&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:11}\"> H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng h\u00e0m n\u1ed1i k\u00fd t\u1ef1 trong Excel chi ti\u1ebft nh\u1ea5t<\/span><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_vi_du_cu_the_ve_ham_lam_tron_so_trong_Excel\"><\/span><span style=\"font-weight: 400;\">C\u00e1c v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 h\u00e0m l\u00e0m tr\u00f2n s\u1ed1 trong Excel<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 hi\u1ec3u h\u01a1n v\u1ec1 c\u00e1ch d\u00f9ng h\u00e0m l\u00e0m tr\u00f2n s\u1ed1 nguy\u00ean trong Excel th\u00ec h\u00e3y theo d\u00f5i c\u1ee5 th\u1ec3 c\u00e1c v\u00ed d\u1ee5 minh h\u1ecda d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 ta l\u1ea5y ra m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u01b0 sau:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 8.15 t\u1edbi m\u1ed9t v\u1ecb tr\u00ed th\u1eadp ph\u00e2n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 8.149 t\u1edbi m\u1ed9t v\u1ecb tr\u00ed th\u1eadp ph\u00e2n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n -9.475 t\u1edbi hai v\u1ecb tr\u00ed th\u1eadp ph\u00e2n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 51.256 \u0111\u1ebfn m\u1ed9t v\u1ecb tr\u00ed th\u1eadp ph\u00e2n v\u1ec1 b\u00ean tr\u00e1i c\u1ee7a d\u1ea5u th\u1eadp ph\u00e2n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 500.5 v\u1ec1 b\u1ed9i s\u1ed1 g\u1ea7n nh\u1ea5t c\u1ee7a 1000.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n -50.55 v\u1ec1 b\u1ed9i s\u1ed1 g\u1ea7n nh\u1ea5t c\u1ee7a 100.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 4.98 v\u1ec1 b\u1ed9i s\u1ed1 g\u1ea7n nh\u1ea5t c\u1ee7a 10.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 c\u00e1c v\u00ed d\u1ee5 minh h\u1ecda v\u1ec1 c\u00e1ch d\u00f9ng h\u00e0m l\u00e0m tr\u00f2n trong Excel. B\u1ea1n h\u00e3y \u0111\u01b0a c\u00e1c v\u00ed d\u1ee5 n\u00e0y v\u00e0o b\u1ea3ng t\u00ednh c\u1ee7a Excel. <\/span><\/p>\n<figure id=\"attachment_11671\" aria-describedby=\"caption-attachment-11671\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11671 size-full\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/1-2.png\" alt=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n trong Excel chi ti\u1ebft \" width=\"600\" height=\"400\" srcset=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/1-2.png 600w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/1-2-400x267.png 400w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/1-2-272x182.png 272w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-11671\" class=\"wp-caption-text\">H\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n trong Excel chi ti\u1ebft<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"De_lam_tron_cac_so_nay_ban_se_bam_cu_the_nhu_sau\"><\/span><span style=\"font-weight: 400;\">\u0110\u1ec3 l\u00e0m tr\u00f2n c\u00e1c s\u1ed1 n\u00e0y b\u1ea1n s\u1ebd b\u1ea5m c\u1ee5 th\u1ec3 nh\u01b0 sau<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 8.15 t\u1edbi m\u1ed9t v\u1ecb tr\u00ed th\u1eadp ph\u00e2n: B\u1ea1n h\u00e3y nh\u1eadp =ROUND(8.15,1)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 8.149 t\u1edbi m\u1ed9t v\u1ecb tr\u00ed th\u1eadp ph\u00e2n: B\u1ea1n h\u00e3y nh\u1eadp =ROUND(8.149,1)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n -9.475 t\u1edbi hai v\u1ecb tr\u00ed th\u1eadp ph\u00e2n: B\u1ea1n h\u00e3y nh\u1eadp =ROUND(-9.475,2)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 51.256 \u0111\u1ebfn m\u1ed9t v\u1ecb tr\u00ed th\u1eadp ph\u00e2n v\u1ec1 b\u00ean tr\u00e1i c\u1ee7a d\u1ea5u th\u1eadp ph\u00e2n: B\u1ea1n h\u00e3y nh\u1eadp =ROUND(51.256,-1)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 500.5 v\u1ec1 b\u1ed9i s\u1ed1 g\u1ea7n nh\u1ea5t c\u1ee7a 1000: B\u1ea1n h\u00e3y nh\u1eadp =ROUND(500.5,-3)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n -50.55 v\u1ec1 b\u1ed9i s\u1ed1 g\u1ea7n nh\u1ea5t c\u1ee7a 100: B\u1ea1n h\u00e3y nh\u1eadp =ROUND(-50.55,-2)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y l\u00e0m tr\u00f2n 4.98 v\u1ec1 b\u1ed9i s\u1ed1 g\u1ea7n nh\u1ea5t c\u1ee7a 10: B\u1ea1n h\u00e3y nh\u1eadp =ROUND(4.98,-1<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sau khi b\u1ea1n \u0111\u00e3 nh\u1eadp c\u00e1c h\u01b0\u1edbng d\u1eabn tr\u00ean v\u00e0o b\u1ea3ng t\u00ednh th\u00ec s\u1ebd ra k\u1ebft qu\u1ea3 c\u1ee5 th\u1ec3 nh\u01b0 h\u00ecnh \u1ea3nh b\u00ean d\u01b0\u1edbi: <\/span><\/p>\n<figure id=\"attachment_11672\" aria-describedby=\"caption-attachment-11672\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11672 size-full\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/2-4.png\" alt=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n trong Excel chi ti\u1ebft \" width=\"600\" height=\"400\" srcset=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/2-4.png 600w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/2-4-400x267.png 400w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/2-4-272x182.png 272w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-11672\" class=\"wp-caption-text\">H\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n trong Excel chi ti\u1ebft<\/figcaption><\/figure>\n<p>&gt;&gt;&gt; Xem th\u00eam <a href=\"https:\/\/teky.edu.vn\/blog\/ham-vlookup-trong-excel\/\">: <span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot; H\u00e0m Vlookup trong Excel l\u00e0 g\u00ec? 4 th\u00e0nh ph\u1ea7n h\u00e0m ch\u00ednh&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:12706,&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16185335},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:{&quot;1&quot;:2,&quot;2&quot;:12829895}},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;11&quot;:4,&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:11}\"> H\u00e0m Vlookup trong Excel l\u00e0 g\u00ec? 4 th\u00e0nh ph\u1ea7n h\u00e0m ch\u00ednh<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">T\u1eeb h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 trong b\u1ea3ng t\u00ednh Excel th\u00ec nh\u1eefng s\u1ed1 d\u01b0\u1edbi 5 s\u1ebd l\u00e0m tr\u00f2n xu\u1ed1ng. C\u00f2ng nh\u1eefng s\u1ed1 t\u1eeb 5 tr\u1edf l\u00ean s\u1ebd l\u00e0m tr\u00f2n tr\u1edf l\u00ean. Th\u00f4ng th\u01b0\u1eddng s\u1ed1 6,5 th\u00ec s\u1ebd \u0111\u01b0\u1ee3c h\u00e0m l\u00e0m tr\u00f2n l\u00ean 0.5 trong Excel C\u1ee5 th\u1ec3:\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ed1 8.15 \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n \u0111\u1ebfn 1 v\u1ecb tr\u00ed th\u1eadp ph\u00e2n l\u00e0 8.2.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ed1 8.149 \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n \u0111\u1ebfn 1 v\u1ecb tr\u00ed th\u1eadp ph\u00e2n l\u00e0 8.1.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ed1 -9.475 \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n \u0111\u1ebfn 2 v\u1ecb tr\u00ed th\u1eadp ph\u00e2n l\u00e0 -9.48.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ed1 51.256 \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n \u0111\u1ebfn m\u1ed9t v\u1ecb tr\u00ed th\u1eadp ph\u00e2n v\u1ec1 b\u00ean tr\u00e1i c\u1ee7a d\u1ea5u th\u1eadp ph\u00e2n l\u00e0 50.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ed1 500.5 \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n v\u1ec1 b\u1ed9i s\u1ed1 g\u1ea7n nh\u1ea5t c\u1ee7a 1000 l\u00e0 1000.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ed1 -50.55 \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n v\u1ec1 b\u1ed9i s\u1ed1 g\u1ea7n nh\u1ea5t c\u1ee7a 100 l\u00e0 -100.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ed1 4.98 \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n v\u1ec1 b\u1ed9i s\u1ed1 g\u1ea7n nh\u1ea5t c\u1ee7a 10 l\u00e0 0.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mot_so_ham_khac_lien_quan_den_ham_lam_tron_trong_Excel\"><\/span><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 h\u00e0m kh\u00e1c li\u00ean quan \u0111\u1ebfn h\u00e0m l\u00e0m tr\u00f2n trong Excel<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Sau \u0111\u00e2y, teky.edu.vn s\u1ebd chia s\u1ebb m\u1ed9t s\u1ed1 h\u00e0m li\u00ean quan \u0111\u1ebfn h\u00e0m l\u00e0m tr\u00f2n trong Excel.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u00e3y c\u00f9ng xem qua m\u1ed9t s\u1ed1 th\u00f4ng tin c\u1ee7a c\u00e1c h\u00e0m li\u00ean quan \u0111\u1ebfn h\u00e0m ROUND d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ham_Roundup\"><\/span><span style=\"font-weight: 400;\">H\u00e0m Roundup<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 h\u00e0m li\u00ean quan \u0111\u1ebfn h\u00e0m l\u00e0m tr\u00f2n trong <a href=\"https:\/\/www.microsoft.com\/vi-vn\/microsoft-365\/excel\" rel=\"nofollow noreferrer\">Excel<\/a> \u0111\u1ea7u ti\u00ean. H\u00e0m n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 l\u00e0m tr\u00f2n m\u1ed9t s\u1ed1 l\u00ean v\u00e0 ra xa con s\u1ed1 0. H\u00e0m n\u00e0y s\u1ebd c\u00f3 c\u00fa ph\u00e1p nh\u01b0 sau: <strong>=ROUNDUP(Number, Num_digits)<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ee5 th\u1ec3 cho c\u00fa ph\u00e1p n\u00e0y l\u00e0:\u00a0<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Number l\u00e0 s\u1ed1 m\u00e0 b\u1ea1n mu\u1ed1n l\u00e0m tr\u00f2n l\u00ean.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Num_digits l\u00e0 s\u1ed1 ch\u1eef s\u1ed1 m\u00e0 b\u1ea1n mu\u1ed1n l\u00e0m tr\u00f2n t\u1edbi s\u1ed1 \u0111\u00f3.<\/span><\/li>\n<\/ul>\n<p>&gt;&gt;&gt; Xem th\u00eam :<a href=\"https:\/\/teky.edu.vn\/blog\/excel-co-ban-van-phong\/\"> <span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot; Excel c\u01a1 b\u1ea3n v\u0103n ph\u00f2ng l\u00e0 g\u00ec \u2013 5 th\u1ee7 thu\u1eadt b\u1ea1n c\u1ea7n bi\u1ebft&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:12706,&quot;4&quot;:{&quot;1&quot;:2,&quot;2&quot;:16777215},&quot;8&quot;:{&quot;1&quot;:[{&quot;1&quot;:2,&quot;2&quot;:0,&quot;5&quot;:{&quot;1&quot;:2,&quot;2&quot;:12829895}},{&quot;1&quot;:0,&quot;2&quot;:0,&quot;3&quot;:3},{&quot;1&quot;:1,&quot;2&quot;:0,&quot;4&quot;:1}]},&quot;10&quot;:2,&quot;11&quot;:4,&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:11}\"> Excel c\u01a1 b\u1ea3n v\u0103n ph\u00f2ng l\u00e0 g\u00ec \u2013 5 th\u1ee7 thu\u1eadt b\u1ea1n c\u1ea7n bi\u1ebft<\/span><\/a><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Mot_so_vi_du_ve_ham_nay\"><\/span><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 h\u00e0m n\u00e0y<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">6.1 s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n l\u00ean, \u0111\u1ebfn 0 v\u1ecb tr\u00ed th\u1eadp ph\u00e2n l\u00e0 7 ch\u1ee9 kh\u00f4ng ph\u1ea3i 6.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2.9 s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n l\u00ean, \u0111\u1ebfn 0 v\u1ecb tr\u00ed th\u1eadp ph\u00e2n l\u00e0 3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">5.15159 s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n l\u00ean, \u0111\u1ebfn 3 v\u1ecb tr\u00ed th\u1eadp ph\u00e2n l\u00e0 5.152.<\/span><\/p>\n<figure id=\"attachment_11673\" aria-describedby=\"caption-attachment-11673\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11673 size-full\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/3-2.png\" alt=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n trong Excel chi ti\u1ebft \" width=\"600\" height=\"400\" srcset=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/3-2.png 600w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/3-2-400x267.png 400w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/3-2-272x182.png 272w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-11673\" class=\"wp-caption-text\">H\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n trong Excel chi ti\u1ebft<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Ham_Rounddown\"><\/span><span style=\"font-weight: 400;\">H\u00e0m Rounddown<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">H\u00e0m n\u00e0y l\u00e0 h\u00e0m li\u00ean quan s\u1ed1 hai c\u1ee7a h\u00e0m l\u00e0m tr\u00f2n trong Excel. H\u00e0m n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 l\u00e0m tr\u00f2n m\u1ed9t s\u1ed1 xu\u1ed1ng v\u00e0 s\u1ebd ti\u1ebfn g\u1ea7n \u0111\u1ebfn 0. H\u00e0m n\u00e0y s\u1ebd c\u00f3 c\u1ea5u tr\u00fac nh\u01b0 sau: <strong>=ROUNDDOWN(Number, Num_digits)<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ee5 th\u1ec3 v\u1edbi c\u00f4ng th\u1ee9c n\u00e0y l\u00e0:\u00a0<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Number l\u00e0 s\u1ed1 m\u00e0 b\u1ea1n mu\u1ed1n l\u00e0m tr\u00f2n xu\u1ed1ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Num_digits l\u00e0 s\u1ed1 ch\u1eef s\u1ed1 m\u00e0 b\u1ea1n mu\u1ed1n l\u00e0m tr\u00f2n t\u1edbi s\u1ed1 \u0111\u00f3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 cho h\u00e0m n\u00e0y nh\u01b0 \u1ea3nh d\u01b0\u1edbi \u0111\u00e2y: <\/span><\/p>\n<figure id=\"attachment_11674\" aria-describedby=\"caption-attachment-11674\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11674 size-full\" src=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/4-3.png\" alt=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n s\u1ed1\" width=\"600\" height=\"400\" srcset=\"https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/4-3.png 600w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/4-3-400x267.png 400w, https:\/\/teky.edu.vn\/blog\/wp-content\/uploads\/2022\/03\/4-3-272x182.png 272w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-11674\" class=\"wp-caption-text\">H\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n s\u1ed1<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">6.1 s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n xu\u1ed1ng, \u0111\u1ebfn 0 v\u1ecb tr\u00ed th\u1eadp ph\u00e2n l\u00e0 6 ch\u1ee9 kh\u00f4ng ph\u1ea3i 7.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2.9 s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n xu\u1ed1ng, \u0111\u1ebfn 0 v\u1ecb tr\u00ed th\u1eadp ph\u00e2n l\u00e0 2 ch\u1ee9 kh\u00f4ng ph\u1ea3i 3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">5.15159 s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n xu\u1ed1ng, \u0111\u1ebfn 3 v\u1ecb tr\u00ed th\u1eadp ph\u00e2n l\u00e0 5.151.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1eeba r\u1ed3i l\u00e0 nh\u1eefng th\u00f4ng tin c\u1ee5 th\u1ec3 v\u1ec1 h\u00e0m l\u00e0m tr\u00f2n trong Excel. V\u1edbi nh\u1eefng chia s\u1ebb v\u00f4 c\u00f9ng chi ti\u1ebft tr\u00ean, teky.edu.vn hy v\u1ecdng \u0111\u00e3 gi\u00fap m\u1ecdi ng\u01b0\u1eddi hi\u1ec3u h\u01a1n v\u1ec1 h\u00e0m n\u00e0y. V\u00e0 \u0111\u1ec3 bi\u1ebft nhi\u1ec1u h\u01a1n v\u1ec1 c\u00e1c lo\u1ea1i h\u00e0m kh\u00e1c c\u0169ng nh\u01b0 c\u00e1c th\u00f4ng tin kh\u00e1c. M\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o website \u0111\u1ec3 bi\u1ebft th\u00eam nhi\u1ec1u th\u00f4ng tin h\u1eefu \u00edch kh\u00e1c.<\/span><\/p>\n<p>Tham kh\u1ea3o c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c.<\/p>\n<p class=\"c-detail-head__title\"><a href=\"https:\/\/teky.edu.vn\/blog\/ham-noi-ky-tu-trong-excel\/\">H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng h\u00e0m n\u1ed1i k\u00fd t\u1ef1 trong Excel chi ti\u1ebft nh\u1ea5t<\/a><\/p>\n<p class=\"c-detail-head__title\"><a href=\"https:\/\/teky.edu.vn\/blog\/huong-dan-su-dung-ham-month-trong-excel-don-gian-va-de-hieu-nhat\/\">H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng h\u00e0m month trong Excel \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 hi\u1ec3u nh\u1ea5t<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u00e0m l\u00e0m tr\u00f2n trong Excel l\u00e0 m\u1ed9t trong nh\u1eefng h\u00e0m ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u. C\u00e1ch s\u1eed d\u1ee5ng h\u00e0m n\u00e0y c\u0169ng r\u1ea5t \u0111\u01a1n gi\u1ea3n. Nh\u01b0ng m\u1ed9t s\u1ed1 ng\u01b0\u1eddi \u00edt d\u00f9ng Excel ho\u1eb7c m\u1edbi s\u1eed d\u1ee5ng s\u1ebd \u00edt nhi\u1ec1u g\u1eb7p kh\u00f3 kh\u0103n. V\u1eady h\u00e3y c\u00f9ng Teky.edu.vn theo d\u00f5i c\u00e1c th\u00f4ng tin &hellip;<\/p>\n","protected":false},"author":3,"featured_media":11675,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"show_on_app":false,"footnotes":""},"categories":[2,173],"tags":[],"class_list":["post-11670","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-cong-nghe","category-excel"],"acf":{"show_on_app":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.9 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m l\u00e0m tr\u00f2n trong Excel chi ti\u1ebft<\/title>\n<meta name=\"description\" content=\"H\u00e0m l\u00e0m tr\u00f2n s\u1ed1 trong excel c\u00f3 kh\u00f3 nh\u01b0 b\u1ea1n ngh\u0129 kh\u00f4ng? 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