{"id":18602,"date":"2024-03-17T13:55:08","date_gmt":"2024-03-17T13:55:08","guid":{"rendered":"https:\/\/soicau3108.minhngocxoso.com\/?p=18602"},"modified":"2024-03-17T13:55:08","modified_gmt":"2024-03-17T13:55:08","slug":"chia-se-cach-bat-tong-de-chan-le-sieu-xin","status":"publish","type":"post","link":"https:\/\/soichuan3cang.com\/chia-se-cach-bat-tong-de-chan-le-sieu-xin\/","title":{"rendered":"chia s\u1ebb c\u00e1ch b\u1eaft t\u1ed5ng \u0111\u1ec1 ch\u1eb5n l\u1ebb si\u00eau x\u1ecbn"},"content":{"rendered":"
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
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
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
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
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
Nh\u1eefng b\u1ed9 t\u1ed5ng ch\u1eb5n s\u1ebd c\u00f3 c\u00e1c d\u00e3y :<\/p>\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
\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
<\/p>\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
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
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
Nh\u1eefng b\u1ed9 s\u1ed1 c\u1ee7a d\u00e0n t\u1ed5ng l\u1ebb cho anh em tham kh\u1ea3o<\/p>\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
\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
\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
\u2013 \u00c1p d\u1ee5ng d\u1ec5 d\u00e0ng c\u00f3 th\u1ec3 ch\u01a1i lu\u00f4n. Kh\u00f4ng t\u1ed1n nhi\u1ec1u c\u00f4ng s\u1ee9c c\u0169ng nh\u01b0 th\u1eddi gian \u0111\u1ec3 ph\u00e2n t\u00edch qu\u00e1 nhi\u1ec1u.<\/p>\n
\u2013 Ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi ch\u01a1i v\u00ec kh\u00e1 d\u1ec5.<\/p>\n
<\/p>\n
\u2013 \u0110\u1eb7c bi\u1ec7t kh\u00e1 an to\u00e0n, nh\u01b0ng b\u00f9 l\u1ea1i hi\u1ec7u qu\u1ea3 cao. Kh\u00f4ng ph\u1ea3i c\u1ee9 \u0111\u00e1nh l\u00e0 s\u1ebd \u0103n n\u00ean r\u00f5 r\u00e0ng vi\u1ec7c bi\u1ebft \u0111\u01b0\u1ee3c nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p. C\u0169ng nh\u01b0 n\u1eafm th\u00eam nhi\u1ec1u b\u00ed k\u00edp s\u1ebd gi\u00fap t\u0103ng t\u1ef7 l\u1ec7 \u0103n ti\u1ec1n trong qu\u00e1 tr\u00ecnh ch\u01a1i.<\/p>\n
\u2013 Ngo\u00e0i t\u00ednh an to\u00e0n, c\u00e1ch \u0111\u00e1nh theo t\u1ed5ng ch\u1eb5n l\u1ebb c\u00f2n mang l\u1ea1i nhi\u1ec1u l\u00f4 c\u00f9ng 1 l\u00fac. Nh\u00e2n s\u1ed1 ti\u1ec1n \u0103n \u0111\u01b0\u1ee3c l\u00ean r\u1ea5t l\u00e0 nhi\u1ec1u n\u1ebfu v\u00f4 s\u1ed1.<\/p>\n
\u2013 \u00c1p d\u1ee5ng \u0111\u01b0\u1ee3c c\u1ea3 v\u00f4 l\u00f4 xi\u00ean, hi\u1ec7u qu\u1ea3 cao, t\u1ef7 l\u1ec7 \u0103n nhi\u1ec1u.<\/p>\n
\u2013 Chi ph\u00ed kh\u00e1 cao n\u1ebfu so v\u1edbi c\u00e1ch \u0111\u00e1nh b\u1ea1ch th\u1ee7 l\u00f4 hay song th\u1ee7 l\u00f4 th\u1eadm ch\u00ed c\u1ea3 nh\u1eefng c\u00e1ch \u0111\u00e1nh th\u00f4ng th\u01b0\u1eddng. Ngh\u0129a l\u00e0 n\u1ebfu anh em quy\u1ebft \u0111\u1ecbnh ch\u01a1i l\u1edbn th\u00ec c\u00f3 th\u1ec3 th\u1eed c\u00e1ch \u0111\u00e1nh n\u00e0y, m\u1ed9t l\u1ea7n \u0103n l\u1edbn xem thi\u00ean h\u1ea1 c\u00f3 tr\u1ea7m tr\u1ed3. B\u00f9 l\u1ea1i anh em c\u1ea7n c\u00f3 m\u1ed9t s\u1ed1 v\u1ed1n kha kh\u00e1 m\u1edbi ch\u01a1i \u0111\u01b0\u1ee3c.<\/p>\n
\u2013 Nh\u01b0\u1ee3c \u0111i\u1ec3m kh\u00e1 l\u1edbn l\u00e0 nguy\u00ean 1 d\u00e3y ch\u1ec9 nghi\u00eang v\u1ec1 l\u1ebb ho\u1eb7c ch\u1eb5n. Kh\u00e1 l\u00e0 r\u1ee7i ro, ki\u1ec3u nh\u01b0 \u0111\u1eb7t h\u1ebft tr\u1ee9ng v\u00e0o 1 r\u1ed5 v\u1eady \u0111\u00f3. \u0110\u01b0\u1ee3c \u0103n c\u1ea3 ng\u00e3 v\u1ec1 kh\u00f4ng.<\/p>\n
Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t v\u00e0i kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 t\u1ed5ng \u0111\u1ec1 ch\u1eb5n l\u1ebb \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p l\u1ea1i t\u1eeb c\u00e1c chuy\u00ean gia. \u0110\u1eb7c bi\u1ec7t c\u00f2n l\u00e0 kinh nghi\u1ec7m x\u01b0\u01a1ng m\u00e1u c\u1ee7a nh\u1eefng cao th\u1ee7 \u0111\u00e3 chinh chi\u1ebfn v\u1edbi l\u00f4 \u0111\u1ec1 r\u1ea5t l\u00e0 nhi\u1ec1u n\u0103m truy\u1ec1n l\u1ea1i. H\u1ecdc l\u00fd thuy\u1ebft d\u00f9 nhi\u1ec1u v\u1eabn kh\u00f4ng b\u1eb1ng th\u1ef1c h\u00e0nh \u0111\u00fang kh\u00f4ng n\u00e0o. To\u00e0n l\u00e0 nh\u1eefng cao th\u1ee7. H\u1ecd \u0111\u00e3 kinh qua bao l\u1ea7n th\u1ea5t b\u1ea1i r\u1ed3i r\u00fat ra b\u00ed k\u00edp. Anh em c\u00f2n ng\u1ea1i g\u00ec m\u00e0 kh\u00f4ng th\u1eed \u0111i n\u00e0o. \u0110\u1eebng qu\u00ean nh\u00e0 c\u00e1i uy t\u00edn \u0111\u1ec3 t\u0103ng t\u1ef7 l\u1ec7 th\u1eafng c\u01b0\u1ee3c \u0111\u00f3 nha.<\/p>\n