{"id":14638,"date":"2021-11-27T15:39:44","date_gmt":"2021-11-27T08:39:44","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=14638"},"modified":"2021-11-27T15:39:45","modified_gmt":"2021-11-27T08:39:45","slug":"mat-ma-la-gi","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/mat-ma-la-gi\/","title":{"rendered":"M\u1eadt m\u00e3 l\u00e0 g\u00ec?"},"content":{"rendered":"\n<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 &#8211; Arkady Leokum<\/p>\n\n\n\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n v\u00e0 ng\u01b0\u1eddi b\u1ea1n mu\u1ed1n th\u01b0 t\u1eeb cho nhau nh\u01b0ng kh\u00f4ng mu\u1ed1n cho ng\u01b0\u1eddi kh\u00e1c hi\u1ec3u, d\u00f9 h\u1ecd c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecdc th\u01b0 t\u1eeb c\u1ee7a b\u1ea1n, th\u00ec b\u1ea1n l\u00e0m th\u1ebf n\u00e0o? Ch\u1eafc h\u1eb3n hai ng\u01b0\u1eddi s\u1ebd c\u00f3 m\u1ed9t qui \u01b0\u1edbc m\u00e0 ch\u1ec9 c\u00f3 hai ng\u01b0\u1eddi hi\u1ec3u. Th\u00ed d\u1ee5, thay v\u00ec d\u00f9ng m\u1eabu t\u1ef1, hai ng\u01b0\u1eddi d\u00f9ng con s\u1ed1. Ch\u1eb3ng h\u1ea1n nh\u01b0 thay v\u00ec A, B, C b\u1ea1n vi\u1ebft 1, 2, 3\u2026 \u0111\u1ec3 vi\u1ebft ch\u1eef AC, b\u1ea1n vi\u1ebft l\u00e0 1.3, vi\u1ebft ch\u1eef BA l\u00e0 2.1. V\u1eady l\u00e0 b\u1ea1n c\u00f3 m\u1ed9t b\u1ed9 \u201cm\u1eadt m\u00e3\u201d r\u1ed3i \u0111\u00f3. N\u00f3i c\u00e1ch kh\u00e1c, m\u1eadt m\u00e3 l\u00e0 l\u1ed1i vi\u1ebft ch\u1eef b\u00ed m\u1eadt m\u00e0 ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi n\u1eafm \u0111\u01b0\u1ee3c \u201cm\u1eadt m\u00e3\u201d m\u1edbi hi\u1ec3u. Ngay t\u1eeb th\u1eddi La M\u00e3 c\u1ed5, Ho\u00e0ng \u0111\u1ebf Julius Caesar \u0111\u00e3 d\u00f9ng m\u1eadt m\u00e3 r\u1ed3i. Ng\u00e0y nay, c\u00e1c ch\u00ednh quy\u1ec1n, th\u1eadm ch\u00ed c\u00e1c nh\u00e0 doanh nghi\u1ec7p c\u0169ng d\u00f9ng m\u1eadt m\u00e3 trong c\u00e1c v\u0103n b\u1ea3n c\u1ea7n gi\u1eef b\u00ed m\u1eadt.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, n\u00f3i chung th\u00ec c\u00f3 hai lo\u1ea1i m\u1eadt m\u00e3. M\u1ed9t lo\u1ea1i g\u1eafn cho s\u1ed1 hay m\u1eabu t\u1ef1 m\u1ed9t \u00fd ngh\u0129a m\u1edbi. Lo\u1ea1i kia th\u00ec thay \u0111\u1ed5i v\u1ecb tr\u00ed c\u00e1c m\u1eabu t\u1ef1 trong m\u1ed9t ch\u1eef. T\u1eeb \u0111\u00f3 bi\u1ebfn ra v\u00f4 v\u00e0n m\u1eadt m\u00e3. L\u1ed1i th\u1ee9 nh\u1ea5t th\u00ec \u0111\u01a1n gi\u1ea3n. C\u00f2n l\u1ed1i m\u1eadt m\u00e3 \u0111\u01b0\u1ee3c m\u1ec7nh danh l\u00e0 \u201ccode\u201d &#8211; lo\u1ea1i m\u00e3 ph\u1ee9c t\u1ea1p &#8211; th\u00ec c\u1ea7n ph\u1ea3i c\u00f3 \u201cch\u00eca kh\u00f3a\u201d m\u1edbi \u201cgi\u1ea3i m\u00e3\u201d \u0111\u01b0\u1ee3c, ngh\u0129a l\u00e0 d\u1ecbch ra \u00fd ngh\u0129a \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc ng\u00e0y nay \u0111\u00e3 ph\u00e1t tri\u1ec3n ra ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i m\u00e3. Tr\u01b0\u1edbc h\u1ebft, ng\u01b0\u1eddi ta ph\u1ea3i xem v\u0103n b\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c \u201cm\u00e3 h\u00f3a\u201d theo c\u00e1ch n\u00e0o. Sau \u0111\u00f3 ph\u00e2n t\u00edch, ch\u1eb3ng h\u1ea1n s\u1ed1 1, s\u1ed1 2\u2026 \u0111\u01b0\u1ee3c d\u00f9ng theo th\u1ee9 t\u1ef1 n\u00e0o, bao nhi\u00eau l\u1ea7n, c\u1ea5u k\u1ebft v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o. Th\u1eadt ra, l\u1ed1i gi\u1ea3i m\u00e3 n\u00e0y ch\u1ec9 l\u00e0 \u201cm\u00f2\u201d m\u1ed9t c\u00e1ch c\u00f3 ph\u01b0\u01a1ng ph\u00e1p m\u00e0 th\u00f4i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 &#8211; Arkady Leokum H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n v\u00e0 ng\u01b0\u1eddi b\u1ea1n mu\u1ed1n th\u01b0 t\u1eeb cho nhau nh\u01b0ng kh\u00f4ng mu\u1ed1n cho ng\u01b0\u1eddi kh\u00e1c hi\u1ec3u, d\u00f9 h\u1ecd c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecdc th\u01b0 t\u1eeb c\u1ee7a b\u1ea1n, th\u00ec b\u1ea1n l\u00e0m th\u1ebf n\u00e0o? Ch\u1eafc h\u1eb3n hai ng\u01b0\u1eddi s\u1ebd c\u00f3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-14638","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14638","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=14638"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14638\/revisions"}],"predecessor-version":[{"id":14639,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14638\/revisions\/14639"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}