{"id":18173,"date":"2024-05-13T02:18:03","date_gmt":"2024-05-13T02:18:03","guid":{"rendered":"https:\/\/soicau5069.minhngocxoso.com\/?p=18173"},"modified":"2024-05-13T02:18:03","modified_gmt":"2024-05-13T02:18:03","slug":"huong-dan-soi-cau-so-de-chinh-xac-nhat","status":"publish","type":"post","link":"https:\/\/dudoanxsmt.com\/huong-dan-soi-cau-so-de-chinh-xac-nhat\/","title":{"rendered":"h\u01b0\u1edbng d\u1eabn soi c\u1ea7u s\u1ed1 \u0111\u1ec1 ch\u00ednh x\u00e1c nh\u1ea5t"},"content":{"rendered":"\n
Nghi\u00ean c\u1ee9u m\u1ed9t c\u00e1ch khoa h\u1ecdc trong v\u1ea5n \u0111\u1ec1 soi c\u1ea7u l\u00f4 \u0111\u1ec1 online \u0111\u01b0\u01a1c nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m b\u1edfi tr\u00ean m\u1ea1ng r\u1ea5t nhi\u1ec1u nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng h\u00f3a m\u1ed9t c\u00e1ch khoa h\u1ecdc, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u00e0i h\u01b0\u1edbng d\u1ea9n<\/p>\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.<\/p>\n\n\n\n
V\u00ed d\u1ee5:<\/p>\n\n\n\n
ng\u00e0y CN-31\/8 c\u00f3 gi\u1ea3i nh\u1ea5t 97211 \u2013> T3=25,T5=22<\/p>\n\n\n\n
ng\u00e0y CN-07\/9 c\u00f3 gi\u1ea3i nh\u1ea5t 39855 \u2013>> T5=98, T6=84<\/p>\n\n\n\n
ng\u00e0y CN-14\/9 c\u00f3 gi\u1ea3i nh\u1ea5t 35501 \u2013>> T6=54<\/p>\n\n\n\n
L\u1ea5y t\u1ed5ng c\u1ee7a \u0111\u1ec1 ng\u00e0y CN gh\u00e9p v\u1edbi s\u1ed1 \u0111\u00edt c\u1ee7a \u0111\u1ec1 ng\u00e0y th\u1ee9 s\u00e1u (tu\u1ea7n n) th\u00e0nh b\u1ed9 s\u1ed1 o\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:<\/p>\n\n\n\n
V\u00ed d\u1ee5 nh\u00e1:<\/p>\n\n\n\n
Th\u1ee9 6 ng\u00e0y 29\/8 c\u00f3 \u0111\u1ec1 l\u00e0 50<\/p>\n\n\n\n
CN 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.<\/p>\n\n\n\n
Th\u1ee9 6 ng\u00e0y 05\/9 c\u00f3 \u0111\u1ec1 l\u00e0 78<\/p>\n\n\n\n
CN 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<\/p>\n\n\n\n
Th\u1ee9 6 ng\u00e0y 12\/9 c\u00f3 \u0111\u1ec1 l\u00e0 84<\/p>\n\n\n\n
CN 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
L\u1ea5y t\u1ed5ng gi\u1ea3i \u0110B ng\u00e0y CN tu\u1ea7n n l\u00e0m b\u1ed9 \u0111\u1ec1 \u0111\u00e1nh \u0111\u1ebfn h\u1ebft tu\u1ea7n \u0111\u00f3.<\/p>\n\n\n\n
C\u1ea7u n\u00e0y \u0103n 3-5 tu\u1ea7n r\u1ed3i ngh\u1ec9 2-3 tu\u1ea7n r\u1ed3i m\u00fac t\u00edp.<\/p>\n\n\n\n
C\u1ea7u n\u00e0y r\u1ea5t d\u1ec5 \u0111\u00e1nh, c\u1ee9 o\u00e1nh th\u1eb3ng t\u1ed5ng c\u1ee7a gi\u1ea3i \u0110B ho\u1eb7c o\u00e1nh b\u00f3ng 1 s\u1ed1 l\u00e0 \u0111\u1edbp li\u1ec1n.<\/p>\n\n\n\n
V\u00ed d\u1ee5:<\/p>\n\n\n\n
CN-31\/8-gi\u1ea3i \u0110B: 50483 = t\u1ed5ng 20 ==> ng\u00e0y 02\/9 n\u1ed5 25<\/p>\n\n\n\n
CN-07\/9-gi\u1ea3i \u0110B: 25511 = t\u1ed5ng 14 ==> ng\u00e0y 10\/9 n\u1ed5 14<\/p>\n\n\n\n
CN-14\/9-gi\u1ea3i \u0110B: 07439 = t\u1ed5ng 23 ==> ng\u00e0y 15\/9 n\u1ed5 32<\/p>\n\n\n\n
CN-21\/9-gi\u1ea3i \u0110B: 63727 = t\u1ed5ng 25 ==> Ch\u00fa \u00fd c\u00f3 th\u1ec3 \u0111\u1ec1 v\u1ec1 020, 252, 575<\/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