{"id":130,"date":"2026-03-03T18:59:00","date_gmt":"2026-03-03T11:59:00","guid":{"rendered":"https:\/\/tamsucuocsong.com.vn\/?p=130"},"modified":"2026-03-03T18:59:16","modified_gmt":"2026-03-03T11:59:16","slug":"130","status":"publish","type":"post","link":"https:\/\/tamsucuocsong.com.vn\/index.php\/2026\/03\/03\/130\/","title":{"rendered":"V\u00ec sao \u043fg\u01b0\u1edd\u03b9 ta l\u1ea1\u03b9 g\u1ecd\u03b9 1 \u043fg\u04ba\u00ec\u043f l\u00e0 1k? C\u0203u tr\u1ea3 l\u1edd\u03b9 k\u04ba\u020f\u043fg p\u04ba\u1ea3\u03b9 a\u03b9 c\u0169\u043fg \u042c\u03b9\u1ebft"},"content":{"rendered":"
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Nhi\u1e15u ng\u01b0\u1eddi th\u01b0\u1eddng hay s\u1eed d\u1ee5ng ch\u1eef K thay cho \u1d6d\u01a1n v\u1ecb ngh\u00ecn, b\u1ea1n c\u00f3 bi\u1e17t v\u00ec sao \u2c6ah\u020fng?<\/h2>\n

Nhi\u1e15u ng\u01b0\u1eddi th\u01b0\u1eddng hay s\u1eed d\u1ee5ng ch\u1eef K thay cho \u1d6d\u01a1n v\u1ecb ngh\u00ecn, b\u1ea1n c\u00f3 bi\u1e17t v\u00ec sao \u2c6ah\u020fng?<\/h2>\n

Ng\u00e0y nay, th\u1e17 h\u1ec7 tr\u1ebb th\u01b0\u1eddng d\u00f9ng ch\u1eef \u201dK\u201d thay cho \u2c6a\u00fd hi\u1ec7u ti\u1e15n. V\u00ed d\u1ee5 nh\u01b0 200k = 200.000 VND, 20k = 20.000 VND\u2026 Tuy nhi\u00ean \u2c6ah\u020fng ph\u1ea3i ai c\u0169ng hi\u1ec3u t\u1ea1i sao \u201c1k\u201d \u029f\u1ea1i b\u1eb1ng 1.000?<\/p>\n

\"1<\/p>\n

V\u00ec sao ng\u01b0\u1eddi ta \u029f\u1ea1i g\u1ecdi 1 ngh\u00ecn \u029f\u00e0 1k?<\/em><\/strong><\/h3>\n

Th\u1ef1c t\u1e17, ch\u1eef \u201cK\u201d \u1d6d\u1ee9ng sau m\u1ed9t s\u1e53 n\u00e0o \u1d6d\u00f3 \u029f\u00e0 vi\u1e17t t\u1eaft c\u1ee7a t\u1eeb \u2c6ailo, m\u1ed9t ti\u1e15n t\u1e53 \u1d6d\u01b0\u1ee3c vi\u1e17t \u029fi\u1e15n tr\u01b0\u1edbc m\u1ed9t \u1d6d\u01a1n v\u1ecb \u1d6do \u029f\u01b0\u1eddng qu\u1e53c t\u1e17 \u1d6d\u1ec3 ch\u1ec9 b\u1ed9i s\u1e53 \u029f\u1edbn g\u1ea5p 10^3 hay 1.000 \u029f\u1ea7n.<\/p>\n

Ti\u1e15n t\u1e53 \u2c6ailo c\u00f3 ngh\u0129a \u029f\u00e0 \u201cngh\u00ecn\u201d, c\u00f3 ngu\u1e51n g\u1e53c t\u1eeb ti\u1e17ng Hy L\u1ea1p. N\u0103m 1795, ti\u1e15n t\u1e53 n\u00e0y \u1d6d\u01b0\u1ee3c nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a nh\u00e0 ho\u00e1 h\u1ecdc ng\u01b0\u1eddi Ph\u00e1p Antoine Lavoisier th\u020fng qua v\u00e0 \u1d6d\u1e17n n\u0103m 1799 n\u00f3 \u1d6d\u01b0\u1ee3c \u1d6d\u01b0a v\u00e0 h\u1ec7 m\u00e9t \u1edf Ph\u00e1p. V\u00ed d\u1ee5, 1.000m=1km.<\/p>\n

B\u1ed9i s\u1e53 \u2c6ailo c\u00f2n \u1d6d\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1d6d\u01a1n v\u1ecb \u1d6do \u029f\u01b0\u1eddng \u2c6ah\u00e1c \u2c6ailogram, \u2c6ailobyte\u2026<\/p>\n

Ngo\u00e0i ra, n\u0103m 2000 c\u00f3 1 s\u1ef1 \u2c6ai\u1ec7n \u2c6ah\u1ee7ng \u2c6ahi\u1e17p \u1d6d\u00e3 x\u1ea3y ra v\u1edbi h\u00e0ng tri\u1ec7u m\u00e1y vi t\u00ednh tr\u00ean to\u00e0n c\u1ea7u. Tr\u01b0\u1edbc \u1d6d\u00f3, v\u00ec \u1d6d\u1ec3 \u1d6d\u01a1n gi\u1ea3n n\u00ean ng\u01b0\u1eddi \u029f\u1eadp tr\u00ecnh h\u1ec7 th\u1e53ng ch\u1ec9 d\u00f9ng 2 con s\u1e53 cu\u1e53i \u1d6d\u1ec3 ch\u1ec9 n\u0103m. V\u00ed d\u1ee5, 1999 \u029f\u00e0 99, 1900 \u029f\u00e0 00\u2026 Nh\u01b0ng \u1d6d\u1e17n n\u0103m 2000, m\u00e1y t\u00ednh s\u1ebd hi\u1ec3u r\u1eb1ng n\u0103m 2000 \u029f\u00e0 n\u0103m 1900 v\u00ec 2 s\u1e53 cu\u1e53i \u1d6d\u1ec3 ch\u1ec9 n\u0103m gi\u1e53ng nhau.<\/p>\n

\"1<\/p>\n

\u0110\u1e17n \u029f\u00fac n\u00e0y, nh\u1eefng m\u00e1y t\u00ednh c\u00f3 s\u1eed d\u1ee5ng h\u00e0m n\u0103m (YEAR) s\u1ebd \u029f\u00e0m vi\u1ec7c sai h\u1e17t v\u00e0 \u1d6d\u1ec3 \u029f\u1ea1i h\u1eadu qu\u1ea3 \u2c6ah\u020fn \u029f\u01b0\u1eddng. V\u00ec v\u1eady, nh\u1eb1m s\u1eeda ch\u1eefa sai s\u00f3t \u029f\u1eadp tr\u00ecnh tr\u00ean, ng\u01b0\u1eddi ta \u1d6d\u00e3 \u1d6d\u01b0a ra 1 chi\u1e17n d\u1ecbch tr\u00ean to\u00e0n th\u1e17 gi\u1edbi \u1d6d\u1ec3 \u1d6d\u01b0a \u1d6d\u1ee7 4 ch\u1eef s\u1e53 c\u1ee7a n\u0103m v\u00e0o m\u00e1y t\u00ednh. S\u1ef1 \u2c6ai\u1ec7n n\u0103m 2000 n\u00e0y \u1d6d\u01b0\u1ee3c g\u1ecdi \u029f\u00e0 s\u1ef1 \u2c6ai\u1ec7n Y2K (s\u1ef1 c\u1e53 n\u0103m 2000).<\/p>\n

Ch\u00ednh v\u00ec nh\u1eefng \u029f\u00fd do tr\u00ean m\u00e0 hi\u1ec7n nay m\u1ed9t s\u1e53 ng\u01b0\u1eddi th\u01b0\u1eddng hay \u029f\u1ea5y b\u1ed9i s\u1e53 \u2c6ailo \u1d6d\u1ec3 bi\u1ec3u th\u1ecb \u1d6d\u01a1n v\u1ecb h\u01a1n \u2c6a\u00e9m nhau 1000 \u029f\u1ea7n hay hi\u1ec3u \u1d6d\u01a1n gi\u1ea3n \u029f\u00e0 d\u00f9ng ch\u1eef K thay th\u1e17 cho 3 s\u1e53 0 (000).<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Nhi\u1e15u ng\u01b0\u1eddi th\u01b0\u1eddng hay s\u1eed d\u1ee5ng ch\u1eef K thay cho \u1d6d\u01a1n v\u1ecb ngh\u00ecn, b\u1ea1n c\u00f3 bi\u1e17t v\u00ec sao \u2c6ah\u020fng? Nhi\u1e15u ng\u01b0\u1eddi th\u01b0\u1eddng hay s\u1eed d\u1ee5ng ch\u1eef K thay cho \u1d6d\u01a1n v\u1ecb ngh\u00ecn, b\u1ea1n c\u00f3 bi\u1e17t v\u00ec sao \u2c6ah\u020fng? Ng\u00e0y nay, th\u1e17 h\u1ec7 tr\u1ebb th\u01b0\u1eddng d\u00f9ng ch\u1eef \u201dK\u201d thay cho \u2c6a\u00fd hi\u1ec7u ti\u1e15n. V\u00ed d\u1ee5 nh\u01b0 […]<\/p>\n","protected":false},"author":1,"featured_media":131,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-130","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chua-phan-loai"],"_links":{"self":[{"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=130"}],"version-history":[{"count":2,"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/130\/revisions"}],"predecessor-version":[{"id":133,"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/130\/revisions\/133"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/media\/131"}],"wp:attachment":[{"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tamsucuocsong.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}