{"id":18002,"date":"2024-04-03T16:57:08","date_gmt":"2024-04-03T16:57:08","guid":{"rendered":"https:\/\/soicau6105.minhngocxoso.com\/?p=18002"},"modified":"2024-04-03T16:57:08","modified_gmt":"2024-04-03T16:57:08","slug":"bi-mat-cach-bat-tong-de-chan-le-sieu-chuan-xac-nam-2024","status":"publish","type":"post","link":"https:\/\/soicaumbsieuchuan.net\/bi-mat-cach-bat-tong-de-chan-le-sieu-chuan-xac-nam-2024\/","title":{"rendered":"B\u00ed m\u1eadt c\u00e1ch b\u1eaft t\u1ed5ng \u0111\u1ec1 ch\u1eb5n l\u1ebb si\u00eau chu\u1ea9n x\u00e1c n\u0103m 2024"},"content":{"rendered":"

\"\"<\/p>\n

M\u1ecdi ng\u01b0\u1eddi \u1edf \u0111\u00e2y ch\u1eafc h\u1eb3n \u0111\u1ec1u l\u00e0 nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 c\u00f3 nhi\u1ec1u n\u0103m kinh nghi\u1ec7m trong l\u0129nh v\u1ef1c ch\u01a1i x\u1ed5 s\u1ed1. V\u1eady b\u1ea1n \u0111\u00e3 bi\u1ebft qua v\u1ec1 c\u00e1ch soi c\u1ea7u ch\u1eb5n l\u1ebb hay ch\u01b0a?<\/span><\/p>\n

Theo nh\u01b0 t\u00f4i \u0111\u00e1nh gi\u00e1 th\u00ec ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch b\u1eaft s\u1ed1 hi\u1ec7u qu\u1ea3 m\u00e0 b\u1ea1n n\u00ean b\u1ed5 sung v\u00e0o s\u1ed5 ghi ch\u00e9p c\u1ee7a m\u00ecnh v\u00e0 ch\u1edd \u0111\u1ebfn \u0111\u00fang th\u1eddi \u0111i\u1ec3m ph\u00f9 h\u1ee3p \u0111\u1ec3 \u00e1p d\u1ee5ng th\u00ec ch\u1eafc ch\u1eafn kh\u1ea3 n\u0103ng th\u00e0nh c\u00f4ng s\u1ebd r\u1ea5t cao.<\/span><\/p>\n

T\u00ecm hi\u1ec3u soi c\u1ea7u ch\u1eb5n l\u1ebb l\u00e0 g\u00ec?<\/span><\/h2>\n

C\u1ea7u ch\u1eb5n l\u1ebb l\u00e0 kh\u00e1i ni\u1ec7m v\u1ec1 c\u00e1ch ch\u01a1i v\u00e9 s\u1ed1 m\u00e0 b\u1ea1n c\u1ea7n l\u1ef1a ch\u1ecdn cho m\u00ecnh d\u00e3y s\u1ed1 c\u00f3 2 ch\u1eef s\u1ed1 cu\u1ed1i c\u00f9ng l\u00e0 ch\u1eb5n ho\u1eb7c l\u1ebb \u0111\u1ec3 tham gia th\u1eed v\u1eadn c\u1ee7a m\u00ecnh trong k\u1ef3 quay c\u1ee7a ng\u00e0y h\u00f4m nay v\u1edbi ch\u1eb5n v\u00e0 l\u1ebb c\u00f3 s\u1ed1 cu\u1ed1i l\u1ea7n l\u01b0\u1ee3t l\u00e0 0, 2, 4, 6, 8 v\u00e0 1, 3, 5, 7, 9.<\/span><\/p>\n

C\u00e1ch ch\u01a1i ch\u1eb5n l\u1ebb c\u01a1 b\u1ea3n: d\u00e0n ch\u1eb5n l\u1ebb c\u00f3 bao nhi\u00eau con?<\/span><\/h2>\n

Ngo\u00e0i nh\u1eefng c\u00e1ch b\u1eaft c\u01a1 b\u1ea3n th\u00ec nh\u1eefng ng\u01b0\u1eddi ch\u01a1i chuy\u00ean nghi\u1ec7p c\u00f2n ph\u00e2n chia th\u00e0nh nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau nh\u01b0: Ch\u1eb5n ch\u1eb5n, l\u1ebb l\u1ebb, t\u1ed5ng ch\u1eb5n, t\u1ed5ng l\u1ebb,\u2026. \u0111\u1ec3 chinh ph\u1ee5c gi\u1ea3i th\u01b0\u1edfng c\u1ee7a 2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/span><\/p>\n

a) 4 d\u1ea1ng c\u01a1 b\u1ea3n<\/span><\/h3>\n

Trong 100 b\u1ed9 s\u1ed1 (00 \u2013 99), ch\u00fang ta s\u1ebd ph\u00e2n chia th\u00e0nh 2 b\u00ean g\u1ed3m l\u1ebb (50 con) c\u00f3 d\u1ea1ng 1, 3, 5, 7, 9 v\u00e0 ch\u1eb5n (50 con) c\u00f3 d\u1ea1ng 0, 2, 4, 6, 8 \u0111\u1ec3 gh\u00e9p l\u1ea1i t\u1ea1o th\u00e0nh d\u00e0n 2 s\u1ed1 v\u1edbi nh\u1eefng d\u1ea1ng sau \u0111\u00e2y:<\/span><\/p>\n