{"id":25666,"date":"2026-02-10T15:05:54","date_gmt":"2026-02-10T15:05:54","guid":{"rendered":"https:\/\/riki.edu.vn\/goc-chia-se\/?post_type=docs&#038;p=25666"},"modified":"2026-02-10T15:05:54","modified_gmt":"2026-02-10T15:05:54","slug":"ngu-phap-n3%ef%bd%9e%e3%81%a7%e3%81%99%e3%81%8b%e3%82%89%ef%bc%8f%e3%81%a0%e3%81%8b%e3%82%89-do-do-vi-vay-nen","status":"publish","type":"docs","link":"https:\/\/riki.edu.vn\/goc-chia-se\/kien-thuc-n3\/ngu-phap-n3\/ngu-phap-n3%E3%81%A7%E3%81%99%E3%81%8B%E3%82%89%E3%81%A0%E3%81%8B%E3%82%89-do-do-vi-vay-nen\/","title":{"rendered":"[Ng\u1eef Ph\u00e1p N3]\uff5e\u3067\u3059\u304b\u3089\uff0f\u3060\u304b\u3089: Do \u0111\u00f3&#8230;\/ V\u00ec v\u1eady n\u00ean&#8230;"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">2. C\u1ea5u tr\u00fac<\/h2>\n\n\n\n<p class=\"has-text-align-center has-vivid-red-color has-text-color has-background has-link-color wp-elements-948ed4e959d86dc9a8e991d08d6be31c\" style=\"background-color:#fff3d0;font-size:18px\"><strong>A + \u3067\u3059\u304b\u3089\uff0f\u3060\u304b\u3089 + B<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>\u3067\u3059\u304b\u3089<\/strong> v\u00e0 <strong>\u3060\u304b\u3089<\/strong> \u0111\u1ec1u n\u1ed1i hai c\u00e2u v\u1edbi nhau:<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e2u 1 <strong>l\u00e0 l\u00fd do \/ nguy\u00ean nh\u00e2n<\/strong><\/li>\n\n\n\n<li>C\u00e2u 2 <strong>l\u00e0 k\u1ebft qu\u1ea3 \/ suy lu\u1eadn d\u1ef1a tr\u00ean l\u00fd do \u0111\u00f3<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u00dd ngh\u0129a<\/h2>\n\n\n\n<p><strong>\uff5e\u3067\u3059\u304b\u3089\uff0f\u3060\u304b\u3089<\/strong> \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 <strong>gi\u1ea3i th\u00edch nguy\u00ean nh\u00e2n \/ l\u00fd do<\/strong> v\u00e0 <strong>k\u1ebft lu\u1eadn \/ k\u1ebft qu\u1ea3<\/strong> d\u1ef1a tr\u00ean \u0111\u00f3.<\/p>\n\n\n\n<p>\u00dd ngh\u0129a ti\u1ebfng Vi\u1ec7t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00ec\u2026 n\u00ean\u2026<\/li>\n\n\n\n<li>Do \u0111\u00f3\u2026<\/li>\n\n\n\n<li>Cho n\u00ean\u2026<\/li>\n\n\n\n<li>V\u00ec v\u1eady\u2026<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1eabu <strong>li\u00ean k\u1ebft l\u00fd do \u2192 k\u1ebft qu\u1ea3<\/strong> r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. C\u00e1ch d\u00f9ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2460 K\u1ebft n\u1ed1i nguy\u00ean nh\u00e2n &#8211; k\u1ebft qu\u1ea3 <\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ph\u00eda tr\u01b0\u1edbc<\/strong> l\u00e0 nguy\u00ean nh\u00e2n ho\u1eb7c l\u00fd do<\/li>\n\n\n\n<li><strong>Ph\u00eda sau<\/strong> l\u00e0 k\u1ebft qu\u1ea3, suy lu\u1eadn ho\u1eb7c h\u00e0nh \u0111\u1ed9ng d\u1eabn t\u1edbi<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u2461 D\u00f9ng trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u00ecnh b\u00e0y l\u00fd do m\u1ed9t quy\u1ebft \u0111\u1ecbnh<\/li>\n\n\n\n<li>Gi\u1ea3i th\u00edch l\u00fd do s\u1ef1 vi\u1ec7c x\u1ea3y ra<\/li>\n\n\n\n<li>Tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi <em>\u201cT\u1ea1i sao?\u201d<\/em><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u2462 S\u1ef1 kh\u00e1c nhau gi\u1eefa <strong>\u3067\u3059\u304b\u3089<\/strong> v\u00e0 <strong>\u3060\u304b\u3089<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>M\u1eabu<\/th><th>M\u1ee9c \u0111\u1ed9<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody><tr><td><strong>\u3067\u3059\u304b\u3089<\/strong><\/td><td>L\u1ecbch s\u1ef1<\/td><td>Ph\u00f9 h\u1ee3p c\u1ea3 v\u0103n vi\u1ebft &amp; n\u00f3i<\/td><\/tr><tr><td><strong>\u3060\u304b\u3089<\/strong><\/td><td>Th\u00e2n m\u1eadt<\/td><td>Ch\u1ee7 y\u1ebfu trong h\u1ed9i tho\u1ea1i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. V\u00ed d\u1ee5 <\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4eca\u65e5\u306f\u96e8\u304c\u964d\u3063\u3066\u3044\u307e\u3059\u3002<strong>\u3067\u3059\u304b\u3089<\/strong>\u5916\u306b\u51fa\u3089\u308c\u307e\u305b\u3093\u3002<br>\u2192 <em>H\u00f4m nay tr\u1eddi \u0111ang m\u01b0a. V\u00ec v\u1eady kh\u00f4ng th\u1ec3 ra ngo\u00e0i.<\/em><\/li>\n\n\n\n<li>\u5f7c\u306f\u75c5\u6c17\u3067\u3059\u3002<strong>\u3060\u304b\u3089<\/strong>\u5b66\u6821\u3092\u4f11\u3093\u3067\u3044\u307e\u3059\u3002<br>\u2192 <em>Anh \u1ea5y b\u1ecb \u1ed1m. V\u00ec v\u1eady \u0111ang ngh\u1ec9 h\u1ecdc.<\/em><\/li>\n\n\n\n<li>\u6696\u304b\u3044\u65e5\u304c\u7d9a\u3044\u3066\u3044\u307e\u3059\u3002<strong>\u3067\u3059\u304b\u3089<\/strong>\u82b1\u304c\u3088\u304f\u54b2\u304d\u307e\u3057\u305f\u3002<br>\u2192 <em>Nh\u1eefng ng\u00e0y n\u00e0y li\u00ean t\u1ee5c \u1ea5m \u00e1p. Do \u0111\u00f3 hoa \u0111\u00e3 n\u1edf.<\/em><\/li>\n\n\n\n<li>\u5bbf\u984c\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002<strong>\u3060\u304b\u3089<\/strong>\u904a\u3073\u306b\u884c\u3051\u307e\u305b\u3093\u3002<br>\u2192 <em>C\u00f3 nhi\u1ec1u b\u00e0i t\u1eadp. V\u00ec v\u1eady kh\u00f4ng th\u1ec3 \u0111i ch\u01a1i.<\/em><\/li>\n\n\n\n<li>\u4f53\u8abf\u304c\u60aa\u3044\u3067\u3059\u3002<strong>\u3060\u304b\u3089<\/strong>\u4eca\u65e5\u306f\u65e9\u304f\u5bdd\u307e\u3059\u3002<br>\u2192 <em>T\u00f4i kh\u00f4ng kh\u1ecfe. V\u00ec v\u1eady h\u00f4m nay s\u1ebd ng\u1ee7 s\u1edbm.<\/em><\/li>\n\n\n\n<li>\u5f7c\u5973\u306f\u3068\u3066\u3082\u89aa\u5207\u3067\u3059\u3002<strong>\u3060\u304b\u3089<\/strong>\u307f\u3093\u306a\u306b\u597d\u304b\u308c\u3066\u3044\u307e\u3059\u3002<br>\u2192 <em>C\u00f4 \u1ea5y r\u1ea5t t\u1eed t\u1ebf. Do \u0111\u00f3 \u0111\u01b0\u1ee3c m\u1ecdi ng\u01b0\u1eddi y\u00eau m\u1ebfn.<\/em><\/li>\n\n\n\n<li>\u8ca1\u5e03\u3092\u5fd8\u308c\u307e\u3057\u305f\u3002<strong>\u3060\u304b\u3089<\/strong>\u663c\u3054\u98ef\u3092\u8cb7\u3048\u307e\u305b\u3093\u3002<br>\u2192 <em>T\u00f4i \u0111\u1ec3 qu\u00ean v\u00ed. V\u00ec v\u1eady kh\u00f4ng th\u1ec3 mua c\u01a1m tr\u01b0a.<\/em><\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u304c\u8fd1\u3044\u3067\u3059\u3002<strong>\u3067\u3059\u304b\u3089<\/strong>\u6bce\u65e5\u52c9\u5f37\u3057\u3066\u3044\u307e\u3059\u3002<br>\u2192 <em>B\u00e0i ki\u1ec3m tra g\u1ea7n k\u1ec1. Cho n\u00ean m\u1ed7i ng\u00e0y t\u00f4i \u0111\u1ec1u h\u1ecdc.<\/em><\/li>\n\n\n\n<li>\u96fb\u8eca\u304c\u9045\u308c\u3066\u3044\u307e\u3059\u3002<strong>\u3060\u304b\u3089<\/strong>\u9045\u523b\u3057\u307e\u3059\u3002<br>\u2192 <em>T\u00e0u b\u1ecb tr\u1ec5. V\u00ec v\u1eady t\u00f4i s\u1ebd \u0111\u1ebfn mu\u1ed9n.<\/em><\/li>\n\n\n\n<li>\u5929\u6c17\u4e88\u5831\u306f\u5bd2\u3044\u3068\u8a00\u3063\u3066\u3044\u307e\u3059\u3002<strong>\u3060\u304b\u3089<\/strong>\u6696\u304b\u3044\u670d\u3092\u7740\u3066\u304f\u3060\u3055\u3044\u3002<br>\u2192 <em>D\u1ef1 b\u00e1o n\u00f3i tr\u1eddi l\u1ea1nh. V\u00ec v\u1eady h\u00e3y m\u1eb7c \u0111\u1ed3 \u1ea5m<\/em><\/li>\n<\/ol>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2. C\u1ea5u tr\u00fac A + \u3067\u3059\u304b\u3089\uff0f\u3060\u304b\u3089 + B 2. \u00dd ngh\u0129a \uff5e\u3067\u3059\u304b\u3089\uff0f\u3060\u304b\u3089 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 gi\u1ea3i th\u00edch nguy\u00ean nh\u00e2n \/ l\u00fd do v\u00e0 k\u1ebft lu\u1eadn \/ k\u1ebft qu\u1ea3 d\u1ef1a tr\u00ean \u0111\u00f3. \u00dd ngh\u0129a ti\u1ebfng Vi\u1ec7t: \u0110\u00e2y l\u00e0 m\u1eabu li\u00ean k\u1ebft l\u00fd do \u2192 k\u1ebft qu\u1ea3 r\u00f5 r\u00e0ng. 3. C\u00e1ch d\u00f9ng \u2460 K\u1ebft n\u1ed1i nguy\u00ean nh\u00e2n [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[202],"doc_tag":[],"class_list":["post-25666","docs","type-docs","status-publish","hentry","doc_category-ngu-phap-n3"],"knowledge_base_info":[],"knowledge_base_slug":[],"_links":{"self":[{"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/docs\/25666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/comments?post=25666"}],"version-history":[{"count":1,"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/docs\/25666\/revisions"}],"predecessor-version":[{"id":25667,"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/docs\/25666\/revisions\/25667"}],"wp:attachment":[{"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/media?parent=25666"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/doc_category?post=25666"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/riki.edu.vn\/goc-chia-se\/wp-json\/wp\/v2\/doc_tag?post=25666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}