{"id":18060,"date":"2024-05-14T15:08:37","date_gmt":"2024-05-14T15:08:37","guid":{"rendered":"https:\/\/soicau5091.minhngocxoso.com\/?p=18060"},"modified":"2024-08-19T17:15:31","modified_gmt":"2024-08-19T10:15:31","slug":"cach-bat-de-tong-chan-le-chac-an-nhat-2024","status":"publish","type":"post","link":"https:\/\/lotoxosomienbac.com\/cach-bat-de-tong-chan-le-chac-an-nhat-2024\/","title":{"rendered":"c\u00e1ch b\u1eaft \u0111\u1ec1 t\u1ed5ng ch\u1eb5n l\u1ebb ch\u1eafc \u0103n nh\u1ea5t 2024"},"content":{"rendered":"\n
Ch\u1eafc nhi\u1ec1u anh em kh\u00f4ng l\u1ea1 g\u00ec c\u00e1ch b\u1eaft t\u1ed5ng ch\u1eb5n l\u1ebb r\u1ed3i. Nh\u01b0ng \u0111\u1ec3 b\u1eaft l\u00e0m th\u1ebf n\u00e0o thu \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn cao. Gi\u1ea3m thi\u1ec3u r\u1ee7i ro, \u00edt l\u1ed7 nh\u1ea5t th\u00ec kh\u00f4ng ph\u1ea3i anh em n\u00e0o ch\u01a1i c\u0169ng bi\u1ebft. B\u00e0i vi\u1ebft d\u00e0nh cho nh\u1eefng anh em mu\u1ed1n ki\u1ebfm \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn t\u1eeb c\u00e1ch ch\u01a1i n\u00e0y, v\u00e0 kh\u00f4ng d\u00e0nh cho ai \u0111\u1ecdc r\u1ed3i \u0111\u1ec3 \u0111\u00f3.<\/p>\n\n\n\n
Mu\u1ed1n ki\u1ebfm \u0111\u01b0\u1ee3c ti\u1ec1n, c\u00f3 \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn t\u1eeb b\u1ea5t k\u1ef3 m\u1ed9t b\u1ed9 m\u00f4n n\u00e0o kh\u00f4ng ch\u1ec9 ri\u00eang \u0111\u00e1nh \u0111\u1ec1. Vi\u1ec7c \u0111\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n bi\u1ebft v\u00e0 ph\u1ea3i n\u1eafm r\u00f5 ch\u00ednh l\u00e0 kh\u00e1i ni\u1ec7m c\u1ee7a ch\u00fang. T\u00ecm hi\u1ec3u nh\u1eefng \u0111\u1eb7c t\u00ednh c\u01a1 b\u1ea3n \u0111\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c c\u01a1 b\u1ea3n v\u1ec1 c\u00e1ch ch\u01a1i. C\u00e1ch v\u1eadn h\u00e0nh ho\u1eb7c c\u01a1 b\u1ea3n ch\u1ec9 l\u00e0 kh\u00e1i ni\u1ec7m ch\u00fang l\u00e0 g\u00ec. V\u1eady \u0111\u1ec3 c\u00f3 l\u1eddi khi b\u1eaft \u0111\u1ec1 ch\u1eb5n l\u1ebb, h\u00e3y t\u00ecm hi\u1ec3u xem c\u00e1ch b\u1eaft \u0111\u1ec1 n\u00e0y l\u00e0 g\u00ec, ch\u01a1i sao tr\u01b0\u1edbc.<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 t\u1ed5ng ch\u1eb5n l\u1ebb \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a v\u00e0o s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. T\u1ed5ng 1 con s\u1ed1 n\u00e0y l\u00e0 ch\u1eb5n hay l\u00e0 l\u1ebb s\u1ebd c\u00f3 nh\u1eefng c\u00e1ch \u0111\u00e1nh kh\u00e1c nhau. Ng\u01b0\u1eddi ch\u01a1i d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 c\u1ed9ng l\u1ea1i \u0111\u1ec3 ch\u1ecdn c\u00e1ch \u0111\u00e1nh th\u00edch h\u1ee3p c\u0169ng nh\u01b0 t\u00ecm \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn t\u1eeb d\u00e0n n\u00e0y.<\/p>\n\n\n\n
V\u1edbi d\u00e0n \u0111\u1ec1 t\u1ed5ng ch\u1eb5n, anh em s\u1ebd ch\u1ecdn ra d\u00e3y g\u1ed3m nh\u1eefng con s\u1ed1 c\u00f3 t\u1ed5ng c\u00f3 th\u1ec3 chia h\u1ebft cho 2.<\/p>\n\n\n\n
V\u00ed d\u1ee5: Con l\u00f4 35 c\u00f3 t\u1ed5ng l\u00e0 3+5=8 , 8 chia h\u1ebft cho 2 n\u00ean \u0111\u00e2y ch\u00ednh l\u00e0 s\u1ed1 t\u1ed5ng ch\u1eb5n.<\/p>\n\n\n\n
Nh\u1eefng b\u1ed9 t\u1ed5ng ch\u1eb5n s\u1ebd c\u00f3 c\u00e1c d\u00e3y :<\/p>\n\n\n\n
\u2013 00, 02, 04, 06, 08, 20, 2,2 24, 26, 28, 40, 41, 42, 44, 46, 48, 60, 62, 64, 66, 68, 80, 82, 84, 86, 88<\/p>\n\n\n\n
\u2013 11, 13, 15, 17, 19, 31, 33, 35, 37, 39, 51, 53, 55, 57, 59, 71, 73, 75, 77, 79, 91, 93, 95, 97, 99<\/p>\n\n\n\n
T\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch t\u00ednh d\u00e0n \u0111\u1ec1 t\u1ed5ng ch\u1eb5n. D\u00e0n \u0111\u1ec1 t\u1ed5ng l\u1ebb l\u00e0 t\u1ed5ng 2 s\u1ed1 kh\u00f4ng chia \u0111\u01b0\u1ee3c cho 2. Anh em s\u1ebd s\u1eed d\u1ee5ng d\u00e0n n\u00e0y \u0111\u1ec3 b\u1eaft con l\u00f4 ki\u1ebfm l\u1ee3i nhu\u1eadn cho m\u00ecnh.<\/p>\n\n\n\n
V\u00ed d\u1ee5: con l\u00f4 74 c\u00f3 t\u1ed5ng 7+4=11 kh\u00f4ng chia \u0111\u01b0\u1ee3c cho 2, \u0111\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1ed5ng l\u1ebb.<\/p>\n\n\n\n
Anh em c\u1ea7n ph\u1ea3i ch\u00fa \u00fd th\u01b0\u1eddng xuy\u00ean \u0111\u1ebfn nh\u1eefng con s\u1ed1 trong c\u00e1c k\u1ef3 quay x\u1ed5 s\u1ed1. V\u1edbi s\u1ef1 th\u1eadn tr\u1ecdng th\u00eam ch\u00fat nh\u1ea1y b\u00e9n trong c\u00e1c con s\u1ed1 \u0111\u1ec3 t\u00ednh ra nh\u1eefng b\u1ed9 s\u1ed1 trong c\u00e1ch \u0111\u00e1nh t\u1ed5ng \u0111\u1ec1 ch\u1eb5n l\u1ebb n\u00e0y.<\/p>\n\n\n\n
Nh\u1eefng b\u1ed9 s\u1ed1 c\u1ee7a d\u00e0n t\u1ed5ng l\u1ebb cho anh em tham kh\u1ea3o<\/p>\n\n\n\n
\u2013 01, 03, 05, 07, 09, 21, 23, 25, 27, 29, 41, 43, 45, 47, 49, 61, 63, 65, 67, 69, 81, 83, 85, 87, 89<\/p>\n\n\n\n
\u2013 10, 12, 14, 16, 18, 30, 32, 34, 36, 38, 50, 52, 54, 56, 58, 70, 72, 74, 76, 78, 90, 92, 94, 96, 98<\/p>\n\n\n\n
\u0110\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh c\u00e1ch \u0111\u00e1nh n\u00e0y gi\u00fap cho nhi\u1ec1u an hem ki\u1ebfm \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn h\u01a1i b\u1ecb t\u1ed1t. Nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a \u0111\u00e2y l\u00e0 c\u00e1ch \u0111\u00e1nh b\u00e1ch chi\u1ebfn b\u00e1ch th\u1eafng. C\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 ph\u00e2n t\u00edch. Tr\u00ean c\u01a1 s\u1edf d\u1ef1a v\u00e0o v\u00f4 v\u00e0n nh\u1eefng tr\u1eadn \u0111\u00e1nh c\u00f3 th\u1eafng c\u00f3 b\u1ea1i. T\u1eeb \u0111\u00f3 r\u00fat ra nh\u1eefng k\u1ebft lu\u1eadn d\u01b0\u1edbi \u0111\u00e2y v\u1ec1 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m. Mong s\u1ebd gi\u00fap \u0111\u01b0\u1ee3c an hem trong qu\u00e1 tr\u00ecnh chi\u1ebfn \u0111\u1ea5u.<\/p>\n\n\n\n