{"id":4829,"date":"2025-09-01T20:49:40","date_gmt":"2025-09-01T13:49:40","guid":{"rendered":"https:\/\/kituaz.com\/blog\/ngay-14-3-la-ngay-gi\/"},"modified":"2025-09-01T20:49:56","modified_gmt":"2025-09-01T13:49:56","slug":"ngay-14-3-la-ngay-gi","status":"publish","type":"post","link":"https:\/\/kituaz.com\/blog\/ngay-14-3-la-ngay-gi\/","title":{"rendered":"Ng\u00e0y 14\/3 l\u00e0 ng\u00e0y g\u00ec?"},"content":{"rendered":"<p style=\"text-align: justify\">Ng\u00e0y 14\/3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ng\u00e0y l\u1ec5 qu\u1ed1c gia \u1edf Vi\u1ec7t Nam, tuy nhi\u00ean, ng\u00e0y n\u00e0y v\u1eabn thu h\u00fat s\u1ef1 quan t\u00e2m c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddV\u1eady ng\u00e0y 14\/3 l\u00e0 ng\u00e0y g\u00ec? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 ngu\u1ed3n g\u1ed1c, l\u1ecbch s\u1eed v\u00e0 \u00fd ngh\u0129a c\u1ee7a ng\u00e0y 14\/3.<\/p>\n<h2><strong>Ng\u00e0y 14\/3 l\u00e0 ng\u00e0y g\u00ec?<\/strong><\/h2>\n<h3><strong>1. Ngu\u1ed3n g\u1ed1c v\u00e0 l\u1ecbch s\u1eed c\u1ee7a ng\u00e0y 14\/3<\/strong><\/h3>\n<p style=\"text-align: justify\">Ng\u00e0y 14\/3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1i t\u00ean &#8220;Ng\u00e0y Pi&#8221; (Pi Day) tr\u00ean to\u00e0n th\u1ebf gi\u1edbPi (\u03c0) l\u00e0 m\u1ed9t h\u1eb1ng s\u1ed1 to\u00e1n h\u1ecdc kh\u00f4ng \u0111\u1ed5i, \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng k\u00fd hi\u1ec7u \u03c0 v\u00e0 x\u1ea5p x\u1ec9 b\u1eb1ng 3.14. Do \u0111\u00f3, ng\u00e0y 14\/3 (3\/14 theo \u0111\u1ecbnh d\u1ea1ng th\u00e1ng\/ng\u00e0y c\u1ee7a M\u1ef9) \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m ng\u00e0y P\u00dd t\u01b0\u1edfng n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb gi\u1edbi h\u1ecdc sinh v\u00e0 gi\u00e1o vi\u00ean y\u00eau th\u00edch m\u00f4n to\u00e1n, \u0111\u1ec3 t\u00f4n vinh v\u00e0 vui ch\u01a1i v\u1edbi h\u1eb1ng s\u1ed1 Pi.<\/p>\n<h3><strong>2. C\u00e1c s\u1ef1 ki\u1ec7n n\u1ed5i b\u1eadt li\u00ean quan \u0111\u1ebfn ng\u00e0y n\u00e0y<\/strong><\/h3>\n<p style=\"text-align: justify\">Tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi, ng\u00e0y 14\/3 l\u00e0 d\u1ecbp \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn to\u00e1n h\u1ecdc v\u00e0 h\u1eb1ng s\u1ed1 PC\u00e1c tr\u01b0\u1eddng h\u1ecdc, \u0111\u1ea1i h\u1ecdc, t\u1ed5 ch\u1ee9c v\u00e0 c\u1ed9ng \u0111\u1ed3ng to\u00e1n h\u1ecdc th\u01b0\u1eddng t\u1ed5 ch\u1ee9c c\u00e1c bu\u1ed5i thuy\u1ebft tr\u00ecnh, cu\u1ed9c thi v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u00e1c \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng ki\u1ebfn th\u1ee9c v\u00e0 th\u00fac \u0111\u1ea9y s\u1ef1 quan t\u00e2m \u0111\u1ebfn to\u00e1n h\u1ecdc. Ngo\u00e0i ra, nhi\u1ec1u nh\u00e0 h\u00e0ng v\u00e0 c\u1eeda h\u00e0ng c\u0169ng tham gia k\u1ef7 ni\u1ec7m ng\u00e0y Pi b\u1eb1ng c\u00e1ch gi\u1ea3m gi\u00e1 c\u00e1c m\u00f3n li\u00ean quan \u0111\u1ebfn h\u00ecnh h\u1ecdc v\u00e0 to\u00e1n h\u1ecdc, v\u00ed d\u1ee5 nh\u01b0 b\u00e1nh pizza c\u00f3 h\u00ecnh tr\u00f2n.<\/p>\n<h3><strong>3. \u00dd ngh\u0129a v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a ng\u00e0y 14\/3 \u0111\u1ed1i v\u1edbi x\u00e3 h\u1ed9i<\/strong><\/h3>\n<p style=\"text-align: justify\">Ng\u00e0y 14\/3 kh\u00f4ng ch\u1ec9 mang \u00fd ngh\u0129a l\u00e0 m\u1ed9t d\u1ecbp \u0111\u1ec3 vui ch\u01a1i v\u00e0 t\u1eadn h\u01b0\u1edfng to\u00e1n h\u1ecdc m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n n\u00e2ng cao nh\u1eadn th\u1ee9c v\u1ec1 to\u00e1n h\u1ecdc trong x\u00e3 h\u1ed9Vi\u1ec7c t\u0103ng c\u01b0\u1eddng ki\u1ebfn th\u1ee9c to\u00e1n h\u1ecdc s\u1ebd gi\u00fap \u0111\u1ea9y m\u1ea1nh s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c ng\u00e0nh khoa h\u1ecdc, c\u00f4ng ngh\u1ec7 v\u00e0 k\u1ef9 thu\u1eadt, \u0111\u1ed3ng th\u1eddi khuy\u1ebfn kh\u00edch s\u1ef1 s\u00e1ng t\u1ea1o v\u00e0 t\u01b0 duy logic c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n<h2><strong>FAQ (C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p)<\/strong><\/h2>\n<h3><strong>1. Ng\u00e0y 14\/3 c\u00f3 li\u00ean quan \u0111\u1ebfn ng\u00e0y l\u1ec5 n\u00e0o kh\u00f4ng?<\/strong><\/h3>\n<p style=\"text-align: justify\">Ng\u00e0y 14\/3 kh\u00f4ng ph\u1ea3i l\u00e0 ng\u00e0y l\u1ec5 qu\u1ed1c gia, nh\u01b0ng l\u1ea1i \u0111\u01b0\u1ee3c t\u00f4n vinh v\u00e0 k\u1ef7 ni\u1ec7m tr\u00ean to\u00e0n th\u1ebf gi\u1edbi nh\u01b0 m\u1ed9t ng\u00e0y \u0111\u1ec3 vui ch\u01a1i v\u00e0 t\u1eadn h\u01b0\u1edfng to\u00e1n h\u1ecdc. Ng\u00e0y n\u00e0y c\u00f3 t\u00ean g\u1ecdi l\u00e0 &#8220;Ng\u00e0y Pi&#8221; v\u00e0 \u0111\u01b0\u1ee3c ch\u1ecdn d\u1ef1a tr\u00ean h\u1eb1ng s\u1ed1 to\u00e1n h\u1ecdc Pi (\u03c0).<\/p>\n<h3><strong>2. C\u00f3 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng n\u00e0o di\u1ec5n ra v\u00e0o ng\u00e0y n\u00e0y?<\/strong><\/h3>\n<p style=\"text-align: justify\">V\u00e0o ng\u00e0y 14\/3, nhi\u1ec1u tr\u01b0\u1eddng h\u1ecdc, \u0111\u1ea1i h\u1ecdc, t\u1ed5 ch\u1ee9c v\u00e0 c\u1ed9ng \u0111\u1ed3ng to\u00e1n h\u1ecdc th\u01b0\u1eddng t\u1ed5 ch\u1ee9c c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn to\u00e1n h\u1ecdc v\u00e0 h\u1eb1ng s\u1ed1 P\u0110\u00e2y c\u00f3 th\u1ec3 l\u00e0 bu\u1ed5i thuy\u1ebft tr\u00ecnh, cu\u1ed9c thi, tr\u00f2 ch\u01a1i hay th\u1eadm ch\u00ed l\u00e0 gi\u1ea3m gi\u00e1 c\u00e1c m\u00f3n \u0103n c\u00f3 li\u00ean quan \u0111\u1ebfn h\u00ecnh h\u1ecdc v\u00e0 to\u00e1n h\u1ecdc nh\u01b0 b\u00e1nh pizza.<\/p>\n<h3><strong>3. Nh\u1eefng th\u00f4ng tin th\u00fa v\u1ecb v\u1ec1 ng\u00e0y 14\/3?<\/strong><\/h3>\n<p style=\"text-align: justify\">N\u0103m 2009, Ng\u00e0y Pi \u0111\u00e3 \u0111\u01b0\u1ee3c Ch\u00ednh ph\u1ee7 Hoa K\u1ef3 c\u00f4ng nh\u1eadn ch\u00ednh th\u1ee9c l\u00e0 m\u1ed9t ng\u00e0y k\u1ef7 ni\u1ec7m qu\u1ed1c gia. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00f3 nhi\u1ec1u k\u1ef7 l\u1ee5c th\u1ebf gi\u1edbi k\u1ef3 l\u1ea1 li\u00ean quan \u0111\u1ebfn h\u1eb1ng s\u1ed1 Pi, ch\u1eb3ng h\u1ea1n nh\u01b0 vi\u1ec7c t\u00ednh Pi v\u1edbi nhi\u1ec1u s\u1ed1 h\u1ea1ng ph\u1ea7n t\u1eed l\u1edbn nh\u1ea5t (\u0111\u00e3 \u0111\u1ea1t \u0111\u1ebfn h\u00e0ng tri\u1ec7u s\u1ed1 h\u1ea1ng) hay vi\u1ec7c nh\u1edb ch\u00ednh x\u00e1c h\u00e0ng tr\u0103m ch\u1eef s\u1ed1 sau d\u1ea5u ph\u1ea9y th\u1eadp ph\u00e2n c\u1ee7a Pi.<\/p>\n<h3><strong>4. Ng\u00e0y 14\/3 c\u00f3 \u00fd ngh\u0129a g\u00ec \u0111\u1ed1i v\u1edbi c\u00e1c c\u00e1 nh\u00e2n?<\/strong><\/h3>\n<p style=\"text-align: justify\">V\u1edbi m\u1ed7i ng\u01b0\u1eddi, \u00fd ngh\u0129a c\u1ee7a ng\u00e0y 14\/3 c\u00f3 th\u1ec3 kh\u00e1c nhau. Tuy nhi\u00ean, vi\u1ec7c tham gia v\u00e0o c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn to\u00e1n h\u1ecdc v\u00e0 Pi c\u00f3 th\u1ec3 gi\u00fap m\u1ecdi ng\u01b0\u1eddi n\u00e2ng cao ki\u1ebfn th\u1ee9c, kh\u00e1m ph\u00e1 s\u1ef1 th\u00fa v\u1ecb c\u1ee7a to\u00e1n h\u1ecdc v\u00e0 c\u00f3 nh\u1eefng tr\u1ea3i nghi\u1ec7m m\u1edbi m\u1ebb. \u0110\u1ed3ng th\u1eddi, ng\u00e0y n\u00e0y c\u0169ng l\u00e0 d\u1ecbp \u0111\u1ec3 k\u1ef7 ni\u1ec7m v\u00e0 vui ch\u01a1i c\u00f9ng nhau trong c\u1ed9ng \u0111\u1ed3ng.<\/p>\n<h2><strong>K\u1ebft lu\u1eadn<\/strong><\/h2>\n<p style=\"text-align: justify\">Ng\u00e0y 14\/3 &#8211; Ng\u00e0y Pi l\u00e0 m\u1ed9t d\u1ecbp \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 m\u1ecdi ng\u01b0\u1eddi t\u1eadn h\u01b0\u1edfng to\u00e1n h\u1ecdc v\u00e0 t\u0103ng c\u01b0\u1eddng ki\u1ebfn th\u1ee9c. Vi\u1ec7c t\u00ecm hi\u1ec3u v\u1ec1 ng\u00e0y n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap ch\u00fang ta hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ngu\u1ed3n g\u1ed1c v\u00e0 l\u1ecbch s\u1eed c\u1ee7a ng\u00e0y Pi m\u00e0 c\u00f2n khuy\u1ebfn kh\u00edch s\u1ef1 ph\u00e1t tri\u1ec3n to\u00e1n h\u1ecdc v\u00e0 t\u01b0 duy logic trong x\u00e3 h\u1ed9H\u00e3y c\u00f9ng tham gia v\u00e0o c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn ng\u00e0y Pi, t\u00ecm hi\u1ec3u v\u00e0 vui ch\u01a1i c\u00f9ng to\u00e1n h\u1ecdc v\u00e0o ng\u00e0y 14\/3!<\/p>\n<p style=\"text-align: justify\">Ngu\u1ed3n: [KituAZ Blog](https:\/\/kituaz.com\/blog\/14-3-la-ngay-gi\/)<\/p>\n<p style=\"text-align: justify\"><strong>KituAZ Blog<\/strong> &#8211; n\u01a1i chia s\u1ebb ki\u1ebfn th\u1ee9c v\u00e0 gi\u1ea3i th\u00edch c\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p trong cu\u1ed9c s\u1ed1ng. T\u00ecm l\u1eddi gi\u1ea3i \u0111\u00e1p cho nh\u1eefng kh\u00e1i ni\u1ec7m, c\u00e2u h\u1ecfi v\u00e0 th\u1eafc m\u1eafc m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t. H\u00e3y truy c\u1eadp [\u0111\u00e2y](https:\/\/kituaz.com\/blog\/chia-se\/) \u0111\u1ec3 kh\u00e1m ph\u00e1 th\u00eam nhi\u1ec1u th\u00f4ng tin b\u1ed5 \u00edch kh\u00e1c!<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-right kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;right&quot;,&quot;id&quot;:&quot;4829&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;4&quot;,&quot;greet&quot;:&quot;&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Ng\u00e0y 14\\\/3 l\u00e0 ng\u00e0y g\u00ec?&quot;,&quot;width&quot;:&quot;0&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: 4px\">\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: 4px\">\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: 4px\">\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: 4px\">\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: 4px\">\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: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\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            <span class=\"kksr-muted\"><\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u v\u1ec1 ng\u00e0y 14\/3 &#8211; Ng\u00e0y Pi v\u00e0 \u00fd ngh\u0129a c\u1ee7a n\u00f3 trong to\u00e1n h\u1ecdc. Xem ngay tr\u00ean KituAZ Blog!<\/p>\n","protected":false},"author":1,"featured_media":4830,"parent":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-4829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ng\u00e0y 14\/3 l\u00e0 ng\u00e0y g\u00ec?<\/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:\/\/kituaz.com\/blog\/ngay-14-3-la-ngay-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ng\u00e0y 14\/3 l\u00e0 ng\u00e0y g\u00ec?\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u v\u1ec1 ng\u00e0y 14\/3 - Ng\u00e0y Pi v\u00e0 \u00fd ngh\u0129a c\u1ee7a n\u00f3 trong to\u00e1n h\u1ecdc. 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