T\u1ed5ng h\u1ee3p c\u00e1c b\u1ed9 s\u1ed1 \u0111\u1ec1 \u2013 b\u1ea3ng s\u1ed1 \u0111\u1ec1 \u2013 c\u00e1c h\u1ec7 con s\u1ed1 \u0111\u1ec1 th\u01b0\u1eddng hay v\u1ec1 c\u00f9ng nhau. C\u00e1ch b\u1eaft, c\u00e1ch t\u00ednh t\u1ed5ng s\u1ed1 \u0111\u1ec1 0, 1, 2, 3, 4, 5, 6, 7, 8 , 9; t\u1ed5ng \u0111\u1ec1 l\u00e2u v\u1ec1 nh\u1ea5t. T\u0103ng t\u1ec9 l\u1ec7 tr\u00fang l\u00ean 85%!!!<\/p>\n
Trong c\u00e1c c\u00e1ch soi c\u1ea7u l\u00f4 \u0111\u1ec1 th\u00ec c\u00f3 1 c\u00e1ch \u0111\u00e1nh r\u1ea5t hay \u0111\u01b0\u1ee3c c\u00e1c d\u00e2n ch\u01a1i d\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t d\u00e0n l\u00f4 tr\u01b0\u1ee3t \u00e1p d\u1ee5ng. \u0110\u00f3 l\u00e0 \u0111\u00e1nh theo c\u00e1c b\u1ed9 s\u1ed1 \u0111\u1ec1 hay c\u00f2n g\u1ecdi l\u00e0 t\u1ed5ng \u0111\u1ec1. C\u00e1ch \u0111\u00e1nh theo t\u1ed5ng \u0111\u1ec1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho t\u1ed5ng h\u1ee3p \u0111\u1ec1 mi\u1ec1n B\u1eafc l\u00e0 ch\u1ee7 y\u1ebfu. Do \u0111\u00f3 anh em c\u00f3 th\u1ec3 coi nh\u01b0 b\u00e0i vi\u1ebft n\u00e0y h\u01b0\u1edbng d\u1eabn c\u00e1ch \u0111\u00e1nh v\u00e0 th\u1ed1ng k\u00ea t\u1ed5ng l\u00f4 \u0111\u1ec1 XSMB, XSMT, XSMN. Soi C\u1ea7u 3 Mi\u1ec1n xin \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi cho anh em b\u00e0i vi\u1ebft chi ti\u1ebft v\u1ec1 t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 s\u1ed1 trong l\u00f4 \u0111\u1ec1 c\u00f9ng v\u1edbi c\u00e1ch b\u1eaft s\u1ed1 t\u1ed5ng b\u1ed9 \u0111\u1ec1 \u2013 1 trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u ch\u00ednh x\u00e1c 100 ph\u1ed5 bi\u1ebfn nh\u1ea5t, \u00edt t\u1ed1n th\u1eddi gian suy ngh\u0129, t\u00ednh to\u00e1n m\u00e0 t\u1ec9 l\u1ec7 v\u1ec1 t\u01b0\u01a1ng \u0111\u1ed1i cao.<\/p>\n
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<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/span>B\u1ea3ng s\u1ed1 \u0111\u1ec1<\/h2>\nD\u01b0\u1edbi \u0111\u00e2y ch\u00fang ta s\u1ebd c\u00f9ng \u0111i v\u00e0o t\u00ecm hi\u1ec3u t\u1eebng b\u1ed9 s\u1ed1 v\u00e0 y\u1ebfu t\u1ed1 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00fang.<\/p>\n <\/span>B\u1ed9 15 s\u1ed1<\/h3>\nB\u1ed9 s\u1ed1<\/strong><\/td>\n | G\u1ed3m c\u00f3 c\u00e1c b\u1ed9 \u0111\u1ec1<\/strong><\/td>\n<\/tr>\n | 01<\/td>\n | 01, 10, 06, 60, 51, 15, 56, 65<\/td>\n<\/tr>\n | 02<\/td>\n | 02, 20, 07, 70, 52, 25, 57, 75<\/td>\n<\/tr>\n | 03<\/td>\n | 03, 30, 08, 80, 53, 35, 58, 85<\/td>\n<\/tr>\n | 04<\/td>\n | 04, 40, 09, 90, 54, 45, 59, 95<\/td>\n<\/tr>\n | 12<\/td>\n | 12, 21, 17, 71, 62, 26, 67, 76<\/td>\n<\/tr>\n | 13<\/td>\n | 13, 31, 18, 81, 63, 36, 68, 86<\/td>\n<\/tr>\n | 14<\/td>\n | 14, 41, 19, 91, 64, 46, 69, 96<\/td>\n<\/tr>\n | 23<\/td>\n | 23, 32, 28, 82, 73, 37, 78, 87<\/td>\n<\/tr>\n | 24<\/td>\n | 24, 42, 29, 92, 74, 47, 79, 97<\/td>\n<\/tr>\n | 34<\/td>\n | 34, 43, 39, 93, 84, 48, 89, 98<\/td>\n<\/tr>\n | 00<\/td>\n | 00, 55, 05, 50<\/td>\n<\/tr>\n | 11<\/td>\n | 11, 66, 16, 61<\/td>\n<\/tr>\n | 22<\/td>\n | 22, 77, 27, 72<\/td>\n<\/tr>\n | 33<\/td>\n | 33, 88, 38, 83<\/td>\n<\/tr>\n | 44<\/td>\n | 44, 99, 49, 94<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n | <\/span>B\u1ed9 s\u1ed1 12 con gi\u00e1p<\/h3>\n<\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n | <\/td>\n | <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n | \n <\/span>T\u1ed5ng \u0111\u1ec1<\/h2>\n<\/p>\n
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