{"id":10870,"date":"2024-05-13T18:45:49","date_gmt":"2024-05-13T18:45:49","guid":{"rendered":"https:\/\/soicau4004.minhngocxoso.com\/?p=10870"},"modified":"2024-05-13T18:45:49","modified_gmt":"2024-05-13T18:45:49","slug":"khai-niem-de-kep-kep-bang-kep-lech-sat-kep-va-kep-am","status":"publish","type":"post","link":"https:\/\/laybachthulo.com\/khai-niem-de-kep-kep-bang-kep-lech-sat-kep-va-kep-am\/","title":{"rendered":"kh\u00e1i ni\u1ec7m \u0111\u1ec1 k\u00e9p, k\u00e9p b\u1eb1ng, k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p v\u00e0 k\u00e9p \u00e2m"},"content":{"rendered":"\n
Ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u \u0111\u1ec1 b\u00e1o k\u00e9p n\u00e0y \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00e1c ng\u01b0\u1eddi ch\u01a1i \u0111\u00e1nh gi\u00e1 cao nh\u1edd t\u1ef7 l\u1ec7 tr\u00fang l\u1edbn, l\u00f4 v\u1ec1 th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n
K\u00e9p b\u1eb1ng c\u00f3 ngh\u0129a l\u00e0 nh\u1eefng con s\u1ed1 b\u1eb1ng nhau, s\u1ed1 gi\u1ed1ng nhau. B\u1ed9 k\u00e9p b\u1eb1ng g\u1ed3m 10 s\u1ed1:<\/p>\n\n\n\n
00, 11, 22, 33, 44, 55, 66, 77, 88, 99<\/p>\n\n\n\n
Tr\u1ea3i qua nhi\u1ec1u n\u0103m ph\u00e1t tri\u1ec3n t\u1eeb k\u00e9p b\u1eb1ng ng\u01b0\u1eddi ta \u0111\u00e3 th\u00eam c\u00e1c b\u1ed9 k\u00e9p kh\u00e1c \u0111\u00f3 l\u00e0 k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p v\u00e0 k\u00e9p \u00e2m.V\u1eady \u0111\u1ec1 k\u00e9p gan l\u00e2u nh\u1ea5t \u0111\u00f3 c\u00f3 bao nhi\u1ec1u s\u1ed1?<\/p>\n\n\n\n
K\u00e9p l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb m\u1ed9t lo\u1ea1i kh\u00e1c l\u00e0 b\u00f3ng l\u00f4 \u0111\u1ec1. M\u1ed7i m\u1ed9t s\u1ed1 \u0111\u1ec1u c\u00f3 b\u00f3ng l\u00f4 \u0111\u1ec1 t\u01b0\u01a1ng \u1ee9ng. Nh\u1eefng c\u1eb7p b\u00f3ng l\u00f4 \u0111\u1ec1 l\u00e0 b\u00f3ng c\u1ee7a nhau nh\u01b0 sau:<\/p>\n\n\n\n
Nh\u01b0 v\u1eady m\u1ed7i c\u1eb7p b\u00f3ng c\u1ee7a nhau gh\u00e9p l\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c 2 c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch kh\u00e1c nhau bao g\u1ed3m c\u1ea3 s\u1ed1 l\u1ed9n. Do \u0111\u00f3 ch\u00fang ta c\u00f3 c\u00e1c c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch nh\u01b0 sau: 05, 50, 16, 61, 27, 72, 38, 83, 49, 94<\/p>\n\n\n\n
Ngo\u00e0i ra c\u00f3 m\u1ed9t m\u1eb9o nh\u1ecf \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 nh\u1edb c\u00e1c c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch \u0111\u00f3 l\u00e0 2 s\u1ed1 k\u00e9p l\u1ec7ch ch\u00eanh nhau 5 \u0111\u01a1n v\u1ecb.<\/p>\n\n\n\n
\u0110\u1ec1 s\u00e1t k\u00e9p l\u00e0 g\u00ec? \u0110\u1ec1 s\u00e1t k\u00e9p \u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 s\u1ed1 li\u1ec1n k\u1ec1 v\u1edbi \u0111\u1ec1 k\u00e9p b\u1eb1ng v\u00e0 k\u00e9p l\u1ec7ch. \u0110\u1ec1 s\u00e1t k\u00e9p s\u1ebd l\u1ea5y c\u00e1c s\u1ed1 li\u1ec1n +1 v\u00e0 -1 s\u1ebd \u0111\u01b0\u1ee3c 2 s\u1ed1 s\u00e1t k\u00e9p.<\/p>\n\n\n\n
B\u1ed9 s\u1ed1 s\u00e1t k\u00e9p b\u1eb1ng g\u1ed3m c\u00e1c s\u1ed1 sau: 01,10,12, 21, 23, 32, 34, 43, 54, 45, 65, 56, 67, 76, 78, 87, 89, 98, 09, 90<\/p>\n\n\n\n
T\u01b0\u01a1ng t\u1ef1 b\u1ed9 s\u00e1t k\u00e9p l\u1ec7ch c\u0169ng g\u1ed3m c\u00f3 c\u00e1c s\u1ed1 sau: 04, 06, 49, 51, 15, 17, 60, 62, 26, 28, 71, 73, 37, 39, 82, 84, 48, 50, 93, 95<\/p>\n\n\n\n