{"id":17585,"date":"2024-05-13T18:42:02","date_gmt":"2024-05-13T18:42:02","guid":{"rendered":"https:\/\/soicau5083.minhngocxoso.com\/?p=17585"},"modified":"2024-08-17T14:42:04","modified_gmt":"2024-08-17T07:42:04","slug":"cau-cham-tinh-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/chotsosoicau.com\/cau-cham-tinh-nhu-the-nao\/","title":{"rendered":"c\u1ea7u ch\u1ea1m t\u00ednh nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\n
Sau m\u1ed9t th\u1eddi gian t\u00ecm hi\u1ec3u qua c\u00e1c cao th\u1ee7 l\u00f4 \u0111\u1ec1 v\u00e0 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n x\u00e1c su\u1ea5t trong to\u00e1n h\u1ecdc. \u0110\u1ed9i ng\u0169 ch\u00fang t\u00f4i \u0111\u00e3 c\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh c\u1ea7u ch\u1ea1m. <\/strong><\/em>H\u00e3y c\u00f9ng tham kh\u1ea3o nh\u1eefng c\u00e1ch t\u00ednh d\u01b0\u1edbi \u0111\u00e2y nh\u00e9:<\/p>\n\n\n\n C\u1ea7u n\u00e0y kh\u00f4ng th\u1ec3 b\u1ecf \u0111\u01b0\u1ee3c v\u00ec c\u1ea7u n\u00e0y \u0103n kh\u00e1 \u1ed5n \u0111\u1ecbnh 9\/10 tu\u1ea7n li\u1ec1n. L\u1ea5y t\u1ed5ng c\u1ee7a \u0111\u1ec1 ng\u00e0y ch\u1ee7 nh\u1eadt gh\u00e9p v\u1edbi s\u1ed1 \u0111\u00edt c\u1ee7a \u0111\u1ec1 ng\u00e0y th\u1ee9 s\u00e1u (tu\u1ea7n n) th\u00e0nh m\u1ed9t b\u1ed9 s\u1ed1 \u0111\u00e1nh t\u1eeb th\u1ee9 2 \u0111\u1ebfn h\u1ebft tu\u1ea7n. Tu\u1ea7n n+1. C\u1ea7u n\u00e0y ch\u1ea1y kh\u00e1 \u0111\u1ec1u c\u1ee9 \u0103n kho\u1ea3ng 3->4 tu\u1ea7n th\u00ec ngh\u1ec9 1->2 tu\u1ea7n: L\u1ea5y t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y ch\u1ee7 nh\u1eadt tu\u1ea7n n l\u00e0m b\u1ed9 \u0111\u1ec1 \u0111\u00e1nh \u0111\u1ebfn h\u1ebft tu\u1ea7n \u0111\u00f3. CN-21\/9-gi\u1ea3i \u0110B: 63727 = t\u1ed5ng 25 ==> Ch\u00fa \u00fd c\u00f3 th\u1ec3 \u0111\u1ec1 v\u1ec1 020, 252, 575C\u1ea7u ch\u1ea1m s\u1ed1 1<\/h3>\n\n\n\n
+ Con s\u1ed1 gi\u1eefa gi\u1ea3i nh\u1ea5t ng\u00e0y ch\u1ee7 nh\u1eadt tu\u1ea7n th\u1ee9 n \u0111\u00e1nh \u0111\u1ebfn th\u1ee9 7 tu\u1ea7n n+1.
V\u00ed d\u1ee5:
ng\u00e0y CN-31\/8 c\u00f3 gi\u1ea3i nh\u1ea5t 97211 \u2013> T3=25,T5=22
ng\u00e0y CN-07\/9 c\u00f3 gi\u1ea3i nh\u1ea5t 39855 \u2013>> T5=98, T6=84
ng\u00e0y CN-14\/9 c\u00f3 gi\u1ea3i nh\u1ea5t 35501 \u2013>> T6=54<\/p>\n\n\n\nC\u1ea7u ch\u1ea1m s\u1ed1 2:<\/h3>\n\n\n\n
V\u00ed d\u1ee5 nh\u01b0 n\u00e0y:
Th\u1ee9 6 ng\u00e0y 29\/8 c\u00f3 \u0111\u1ec1 l\u00e0 50
Ch\u1ee7 nh\u1eadt ng\u00e0y 31\/8 c\u00f3 \u0111\u1ec1 l\u00e0 38 = t\u1ed5ng 1 ==>> B\u1ed9 01 \u2013>>> \u0110\u1ec1 ng\u00e0y 01\/9 \u0111\u00e3 n\u1ed5 60.
Th\u1ee9 6 ng\u00e0y 05\/9 c\u00f3 \u0111\u1ec1 l\u00e0 78
Ch\u1ee7 nh\u1eadt ng\u00e0y 07\/9 c\u00f3 \u0111\u1ec1 l\u00e0 11 = t\u1ed5ng 2==>>B\u1ed9 23 \u2013>>> \u0110\u1ec1 ng\u00e0y 15\/9 \u0111\u00e3 n\u1ed5 32
Th\u1ee9 6 ng\u00e0y 12\/9 c\u00f3 \u0111\u1ec1 l\u00e0 84
Ch\u1ee7 nh\u1eadt ng\u00e0y 14\/9 c\u00f3 \u0111\u1ec1 l\u00e0 39 = t\u1ed5ng 12 ==>>B\u1ed9 14, 24 \u2013>>> Tu\u1ea7n n\u00e0y ngh\u1ec9<\/p>\n\n\n\n C\u1ea7u ch\u1ea1m s\u1ed1 3:<\/h3>\n\n\n\n
C\u1ea7u n\u00e0y \u0103n 3-5 tu\u1ea7n r\u1ed3i ngh\u1ec9 2-3 tu\u1ea7n r\u1ed3i ti\u1ebfp t\u1ee5c \u0111\u00e1nh.
C\u1ea7u n\u00e0y r\u1ea5t d\u1ec5 \u0111\u00e1nh, c\u1ee9 \u0111\u00e1nh th\u1eb3ng t\u1ed5ng c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ho\u1eb7c \u0111\u00e1nh b\u00f3ng 1 s\u1ed1 l\u00e0 \u0103n li\u1ec1n.
V\u00ed d\u1ee5:
CN-31\/8-gi\u1ea3i \u0110B: 50483 = t\u1ed5ng 20 ==> ng\u00e0y 02\/9 n\u1ed5 25
CN-07\/9-gi\u1ea3i \u0110B: 25511 = t\u1ed5ng 14 ==> ng\u00e0y 10\/9 n\u1ed5 14
CN-14\/9-gi\u1ea3i \u0110B: 07439 = t\u1ed5ng 23 ==> ng\u00e0y 15\/9 n\u1ed5 32<\/p>\n\n\n\n
( Tu\u1ea7n t\u1eeb 22\/9 \u0111\u1ebfn 28\/9 c\u00f3 th\u1ec3 \u0111\u1ec1 v\u1ec1 020, 252, 575 )<\/p>\n\n\n\n