{"id":9862,"date":"2025-01-03T19:48:27","date_gmt":"2025-01-03T19:48:27","guid":{"rendered":"https:\/\/blog.ezworkapp.com\/index.php\/2025\/01\/03\/su-khac-biet-cua-cac-dau-toan-tu-khi-tinh-tong-nhieu-vung-voi-ham-sum\/"},"modified":"2025-01-03T19:48:27","modified_gmt":"2025-01-03T19:48:27","slug":"su-khac-biet-cua-cac-dau-toan-tu-khi-tinh-tong-nhieu-vung-voi-ham-sum","status":"publish","type":"post","link":"https:\/\/blog.ezworkapp.com\/index.php\/2025\/01\/03\/su-khac-biet-cua-cac-dau-toan-tu-khi-tinh-tong-nhieu-vung-voi-ham-sum\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a c\u00e1c d\u1ea5u to\u00e1n t\u1eed khi t\u00ednh t\u1ed5ng nhi\u1ec1u v\u00f9ng v\u1edbi h\u00e0m SUM"},"content":{"rendered":"<div class=\"uk-panel uk-margin\" id=\"template-nJy84WMn#1\">\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, H\u1ecdc Excel Online s\u1ebd n\u00f3i v\u1ec1 3 d\u1ea5u to\u00e1n t\u1eed: d\u1ea5u ph\u1ea9y, d\u1ea5u hai ch\u1ea5m, d\u1ea5u c\u00e1ch v\u1edbi 3 c\u00f4ng d\u1ee5ng kh\u00e1c nhau gi\u00fap c\u00e1c b\u1ea1n l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c c\u00e1ch t\u00ednh t\u1ed5ng ph\u00f9 h\u1ee3p khi s\u1eed d\u1ee5ng h\u00e0m\u00a0<strong>SUM<\/strong>.<\/p>\n<p>\u00a0<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_61 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Xem nhanh<\/p>\n<p><label for=\"ez-toc-cssicon-toggle-item-67783f0ad7a57\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><\/span><\/span><\/label><\/p>\n<nav>\n<ul class=\"ez-toc-list ez-toc-list-level-1 \">\n<li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.hocexcel.online\/dau-toan-tu-duoc-su-dung-voi-ham-sum.html#Dau_phay\" title=\"D\u1ea5u ph\u1ea9y (,)\">D\u1ea5u ph\u1ea9y (,)<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.hocexcel.online\/dau-toan-tu-duoc-su-dung-voi-ham-sum.html#Dau_hai_cham\" title=\"D\u1ea5u hai ch\u1ea5m (:)\">D\u1ea5u hai ch\u1ea5m (:)<\/a><\/li>\n<li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.hocexcel.online\/dau-toan-tu-duoc-su-dung-voi-ham-sum.html#Dau_cach\" title=\"D\u1ea5u c\u00e1ch ( )\">D\u1ea5u c\u00e1ch ( )<\/a><\/li>\n<\/ul>\n<\/nav>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Dau_phay\"><\/span>D\u1ea5u ph\u1ea9y (,)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong h\u00e0m <strong>SUM<\/strong>\u00a0\u0111\u1ed1i v\u1edbi nhi\u1ec1u v\u00f9ng,<strong>\u00a0<\/strong><strong>d\u1ea5u<\/strong><strong>\u00a0ph\u1ea9y<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi ta mu\u1ed1n t\u00ednh t\u1ed5ng nh\u1eefng v\u00f9ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong h\u00e0m.<\/p>\n<p>D\u1ea5u ph\u1ea9y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0<strong>to\u00e1n t\u1eed h\u1ee3p (Union Operator)<\/strong><\/p>\n<p>\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-23127\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2025\/01\/dau-phay-1-1024x297-1.png\" width=\"1024\" height=\"297\" title=\"dau-phay-1-1024x297-1\"><\/p>\n<p>K\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c tr\u1ea3 l\u00e0 t\u1ed5ng c\u1ee7a v\u00f9ng A2:A7 (5, 9, 10, 6, 3, 7) c\u1ed9ng v\u1edbi t\u1ed5ng c\u1ee7a v\u00f9ng C2:C7 (7, 2, 2, 10, 9, 3).<\/p>\n<div class=\"code-block code-block-1\" style=\"margin: 8px 0;clear: both\">\n<div class=\"ad-inserterpro\">\n<a href=\"https:\/\/hocexcel.online\/course\/preview\/ex101-excel-tu-co-ban-den-chuyen-gia-danh-cho-nguoi-di-lam\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2025\/01\/ex101_92019-nho-103.gif\" title=\"ex101_92019-nho-103\"><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Dau_hai_cham\"><\/span>D\u1ea5u hai ch\u1ea5m (:)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ed1i v\u1edbi t\u00ednh t\u1ed5ng nhi\u1ec1u v\u00f9ng, <b>d\u1ea5u hai ch\u1ea5m <\/b>s\u1ebd t\u00ednh\u00a0t\u1ed5ng v\u00f9ng bao tr\u00f9m \u0111\u01b0\u1ee3c t\u1ea1o ra b\u01a1i c\u00e1c v\u00f9ng li\u1ec7t k\u00ea trong h\u00e0m.<\/p>\n<p>V\u00ed d\u1ee5: V\u00f9ng A1:A2:B2:B3 = V\u00f9ng A1:B3<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-23128\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2025\/01\/dau-hai-cham-1-1024x288-1.png\" width=\"1024\" height=\"288\" title=\"dau-hai-cham-1-1024x288-1\"><\/p>\n<p>D\u00f9 ta c\u00f3 thay \u0111\u1ed5i v\u00f9ng th\u00e0nh ph\u1ea7n th\u00ec k\u1ebft qu\u1ea3 v\u1eabn l\u00e0 t\u1ed5ng c\u1ee7a v\u00f9ng A2:C7<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dau_cach\"><\/span>D\u1ea5u c\u00e1ch ( )<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>D\u1ea5u c\u00e1ch <\/strong>s\u1ebd\u00a0t\u00ednh t\u1ed5ng v\u00f9ng giao nhau \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong h\u00e0m. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch r\u1ea5t h\u1eefu hi\u1ec7u khi ta c\u1ea7n t\u00ednh t\u1ed5ng gi\u00e1 tr\u1ecb giao \u0111i\u1ec3m trong c\u00e1c b\u1ea3ng t\u00ednh.<\/p>\n<p>D\u1ea5u c\u00e1ch c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0<strong>to\u00e1n t\u1eed giao (Intersect Operator)<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-23131\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2025\/01\/dau-cach-1-1024x276-1.png\" width=\"1024\" height=\"276\" title=\"dau-cach-1-1024x276-1\"><\/p>\n<p>L\u00ed do xu\u1ea5t hi\u1ec7n l\u1ed7i\u00a0<strong>#NULL!<\/strong> \u1edf \u0111\u00e2y v\u00ec v\u00f9ng A2:A7 v\u00e0 C2:C7 kh\u00f4ng c\u00f3 giao \u0111i\u1ec3m, b\u1edfi v\u1eady h\u00e0m SUM s\u1ebd tr\u1ea3 l\u1ed7i v\u1ec1.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 s\u01a1 \u0111\u1ed3 \u0111\u1ec3 c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-23134\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2025\/01\/so-do-1.png\" width=\"964\" height=\"185\" title=\"so-do-1\"><\/p>\n<p>Kh\u00f4ng h\u1ec1 kh\u00f3 ph\u1ea3i kh\u00f4ng n\u00e0o?<br \/>\nV\u00e0, \u1edf cu\u1ed1i b\u00e0i vi\u1ebft n\u00e0y, H\u1ecdc Excel Online xin \u0111\u01b0\u1ee3c b\u1eadt m\u00ed v\u1edbi c\u00e1c b\u1ea1n:\u00a0<strong>SUM<\/strong> ch\u1ec9 l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p nh\u1ecf \u1ee9ng d\u1ee5ng m\u00e0 th\u00f4i. C\u00e1c b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng v\u00e0o c\u00e1c ph\u00e9p t\u00ednh th\u00f4ng th\u01b0\u1eddng c\u1ed9ng tr\u1eeb nh\u00e2n chia, \u0111\u1ebfm v\u1edbi\u00a0<strong>COUNT<\/strong>\u2026<\/p>\n<p><em>B\u1edfi v\u1eady, \u0111\u1eebng qu\u00ean luy\u1ec7n t\u1eadp v\u00e0 t\u00edch c\u1ef1c t\u00ecm hi\u1ec3u \u0111\u1ec3 ng\u00e0y c\u00e0ng m\u1edf r\u1ed9ng ph\u1ea1m vi ki\u1ebfn th\u1ee9c ra nh\u00e9!<\/em><\/p>\n<p>Ch\u00fac c\u00e1c b\u1ea1n h\u1ecdc t\u1ed1t.<\/p>\n<p>\u00a0<\/p>\n<\/div>\n<div class=\"uk-panel uk-margin uk-width-xlarge\">\n<p>Click \u0111\u0103ng k\u00fd h\u1ecdc t\u1ea1i:<\/p>\n<p><a href=\"http:\/\/blog.ezworkapp.com\/khoa-hoc\" target=\"_blank\" rel=\"noopener\">T\u1ea5t c\u1ea3 kho\u00e1 h\u1ecdc\u00a0<span>\ud83d\udcd6<\/span><\/a><\/p>\n<p><a href=\"http:\/\/blog.ezworkapp.com\/huong-dan-kich-hoat-khoa-hoc-tai-hoc-excel-online.html\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn k\u00edch ho\u1ea1t<\/a><\/p>\n<p>HKD H\u1ecdc Excel Online<br \/>S\u1ed1 \u0110K: 17A80048102<\/p>\n<\/div>\n<div class=\"uk-panel uk-text-small uk-margin uk-margin-remove-bottom uk-text-center\">\n<p>\u00a9  document.currentScript.insertAdjacentHTML(&#8216;afterend&#8217;, &#8221; + new Intl.DateTimeFormat(document.documentElement.lang, {year: &#8216;numeric&#8217;}).format() + &#8221;);  H\u1ecdc Excel Online. All rights reserved.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"ad-inserterpro\">\n<a href=\"https:\/\/hocexcel.online\/course\/preview\/ex101-excel-tu-co-ban-den-chuyen-gia-danh-cho-nguoi-di-lam\"><br \/>\n<img decoding=\"async\" src=\"http:\/\/blog.ezworkapp.com\/wp-content\/uploads\/2025\/01\/ex101_92019-nho-103.gif\"><br \/>\n<\/a>\n<\/div>\n","protected":false},"author":1,"featured_media":9863,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-9862","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-excel-co-ban"],"_links":{"self":[{"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/posts\/9862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/comments?post=9862"}],"version-history":[{"count":0,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/posts\/9862\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/media\/9863"}],"wp:attachment":[{"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/media?parent=9862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/categories?post=9862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ezworkapp.com\/index.php\/wp-json\/wp\/v2\/tags?post=9862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}