{"id":18070,"date":"2024-03-04T16:47:35","date_gmt":"2024-03-04T16:47:35","guid":{"rendered":"https:\/\/soicau5067.minhngocxoso.com\/?p=18070"},"modified":"2024-03-04T16:47:35","modified_gmt":"2024-03-04T16:47:35","slug":"cac-phuong-phap-bat-bo-so-kep-bang-hieu-qua","status":"publish","type":"post","link":"https:\/\/soicaududoan.com\/cac-phuong-phap-bat-bo-so-kep-bang-hieu-qua\/","title":{"rendered":"C\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1eaft b\u1ed9 s\u1ed1 k\u00e9p b\u1eb1ng hi\u1ec7u qu\u1ea3"},"content":{"rendered":"

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1eaft b\u1ed9 s\u1ed1 k\u00e9p b\u1eb1ng hi\u1ec7u qu\u1ea3<\/h1>\n
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Khi nh\u1eafc \u0111\u1ebfn \u0111\u1ec1 k\u00e9p ch\u1eafc h\u1eb3n b\u1ea1n s\u1ebd ngh\u0129 \u0111\u1ebfn c\u00e1c d\u1ea1ng \u0111\u1ec1 k\u00e9p nh\u01b0 k\u00e9p b\u1eb1ng, k\u00e9p \u00e2m, k\u00e9p s\u00e1t,… Trong \u0111\u00f3 k\u00e9p b\u1eb1ng l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea1ng \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn. K\u00e9p b\u1eb1ng r\u1ea5t d\u1ec5 nh\u1eadn ra v\u00e0 c\u00e1ch b\u1eaft c\u0169ng r\u1ea5t \u0111\u01a1n gi\u1ea3n, nhanh ch\u00f3ng. Tuy nhi\u00ean n\u1ebfu b\u1ea1n ch\u01b0a c\u00f3 th\u00f4ng tin chi ti\u1ebft v\u1ec1 c\u00e1ch b\u1eaft b\u1ed9 s\u1ed1 k\u00e9p<\/strong> b\u1eb1ng th\u00ec h\u00e3y theo d\u00f5i b\u00e0i vi\u1ebft sau c\u1ee7a nh\u00e0 c\u00e1i ch\u00fang t\u00f4i.<\/p>\n

\"L\u00f4<\/div>\n

<\/span>K\u00e9p b\u1eb1ng l\u00e0 g\u00ec?<\/h2>\n

B\u1ed9 s\u1ed1 \u0111\u1ec1 k\u00e9p b\u1eb1ng l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch ch\u01a1i r\u1ea5t th\u00fa v\u1ecb v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng. K\u00e9p b\u1eb1ng r\u1ea5t d\u1ec5 ph\u00e2n bi\u1ec7t so v\u1edbi nh\u1eefng d\u1ea1ng k\u00e9p kh\u00e1c v\u00e0 vi\u1ec7c t\u00ecm ra ch\u00fang c\u0169ng \u0111\u01a1n gi\u1ea3n h\u01a1n r\u1ea5t nhi\u1ec1u. Theo \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u k\u00e9p b\u1eb1ng l\u00e0 nh\u1eefng con l\u00f4 \u0111\u01b0\u1ee3c gh\u00e9p b\u1edfi 2 s\u1ed1 gi\u1ed1ng nhau. B\u1ed9 s\u1ed1 k\u00e9p b\u1eb1ng s\u1ebd bao g\u1ed3m nh\u1eefng con l\u00e0: 00, 22, 33, 44,55, 66,77,88, 99.<\/p>\n

<\/span>C\u00e1c lo\u1ea1i l\u00f4 k\u00e9p<\/h2>\n

Nh\u01b0 \u0111\u00e3 gi\u1edbi thi\u1ec7u. L\u00f4 k\u00e9p l\u00e0 b\u1ed9 m\u00f4n \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau:<\/p>\n

<\/span>B\u1ed9 s\u1ed1 l\u00f4 k\u00e9p b\u1eb1ng<\/h3>\n

\u0110\u00e2y l\u00e0 b\u1ed9 s\u1ed1 l\u00f4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong gi\u1edbi l\u00f4 \u0111\u1ec1. Ng\u00e0y nay n\u00f3 v\u1eabn \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi y\u00eau th\u00edch v\u00e0 s\u1eed d\u1ee5ng. C\u00f3 th\u1ec3 hi\u1ec3u r\u1eb1ng, b\u1ed9 s\u1ed1 k\u00e9p l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng s\u1ed1 c\u00f3 2 ch\u1eef s\u1ed1 gi\u1ed1ng nhau. B\u1ea5t k\u1ec3 ai t\u1eeb khi m\u1edbi nh\u1eadp m\u00f4n l\u00f4 \u0111\u1ec1 \u0111\u1ec1u ph\u1ea3i bi\u1ebft \u00edt nh\u1ea5t l\u00e0 b\u1ed9 s\u1ed1 n\u00e0y.<\/p>\n

B\u1ed9 s\u1ed1 k\u00e9p b\u1eb1ng g\u1ed3m nh\u1eefng s\u1ed1 sau:<\/p>\n