{"id":18116,"date":"2024-05-03T13:37:32","date_gmt":"2024-05-03T13:37:32","guid":{"rendered":"https:\/\/soicau4013.minhngocxoso.com\/?p=18116"},"modified":"2024-05-03T13:37:32","modified_gmt":"2024-05-03T13:37:32","slug":"tong-de-la-gi-cac-loai-tong-de-noi-bat","status":"publish","type":"post","link":"https:\/\/socauxsmbmienphi.com\/tong-de-la-gi-cac-loai-tong-de-noi-bat\/","title":{"rendered":"t\u1ed5ng \u0111\u1ec1 l\u00e0 g\u00ec? c\u00e1c lo\u1ea1i t\u1ed5ng \u0111\u1ec1 n\u1ed5i b\u1eadt"},"content":{"rendered":"\n
Soi c\u1ea7u d\u1ef1a v\u00e0o t\u1ed5ng \u0111\u1ec1 \u0111\u01b0\u1ee3c nhi\u1ec1u anh em l\u1ef1a ch\u1ecdn s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng. C\u00e1ch b\u1eaft t\u1ed5ng \u0111\u1ec1 r\u1ea5t \u0111\u01a1n gi\u1ea3n, \u0111\u1ed3ng th\u1eddi c\u00e1c b\u1ed9 t\u1ed5ng \u0111\u1ec1 \u0111\u01b0\u1ee3c t\u1eadp h\u1ee3p s\u1eb5n n\u00ean r\u1ea5t d\u1ec5 ch\u01a1i. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap c\u00e1c b\u1ea1n t\u00ecm hi\u1ec3u v\u1ec1 t\u1ed5ng \u0111\u1ec1 l\u00e0 g\u00ec v\u00e0 c\u00e1c lo\u1ea1i t\u1ed5ng \u0111\u1ec1 n\u1ed5i b\u1eadt nh\u1ea5t. <\/p>\n\n\n\n
T\u1ed5ng \u0111\u1ec1 ch\u00ednh l\u00e0 c\u00e1ch m\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u1ed9ng hai con s\u1ed1 l\u1ea1i v\u1edbi nhau \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c t\u1ed5ng. Sau \u0111\u00f3 d\u00f9ng nh\u1eefng con s\u1ed1 n\u00e0y \u0111\u1ec3 t\u1ea1o th\u00e0nh d\u00e0n ho\u1eb7c l\u00e0m b\u1ea1ch th\u1ee7 l\u00f4, song th\u1ee7 l\u00f4. K\u1ebft qu\u1ea3 c\u1ee7a c\u00e1ch t\u00ednh n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 t\u00ednh trong ch\u01a1i b\u00e0i 3 c\u00e2y. \u0110\u1ec3 hi\u1ec3u c\u1ee5 th\u1ec3 v\u1ec1 c\u00e1ch soi c\u1ea7u theo t\u1ed5ng \u0111\u1ec1 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o v\u00ed d\u1ee5 sau: S\u1ed1 20 s\u1ebd c\u00f3 t\u1ed5ng l\u00e0 2. B\u1edfi v\u00ec 2+0=2. T\u01b0\u01a1ng t\u1ef1 s\u1ed1 31 s\u1ebd c\u00f3 t\u1ed5ng l\u00e0 4 v\u00ec 3+1=4. <\/p>\n\n\n\n
B\u00ean c\u1ea1nh lo\u1ea1i d\u00e0n \u0111\u1ec1 t\u1ed5ng th\u00f4ng th\u01b0\u1eddng th\u00ec c\u00f2n c\u00f3 nhi\u1ec1u lo\u1ea1i t\u1ed5ng \u0111\u1ec1 kh\u00e1c r\u1ea5t th\u00fa v\u1ecb nh\u01b0: D\u00e0n \u0111\u1ec1 c\u1ee7a nh\u1eefng con s\u1ed1 c\u00f3 t\u1ed5ng chia h\u1ebft v\u00e0 kh\u00f4ng chia h\u1ebft cho 3. D\u00e0n \u0111\u1ec1 n\u00e0y c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u00f3 l\u00e0: C\u00e1c b\u1ea1n s\u1ebd l\u1ea5y t\u1ed5ng c\u1ee7a n\u00f3 chia cho 3. N\u1ebfu chia h\u1ebft th\u00ec x\u1ebfp v\u00e0o d\u00e0n chia h\u1ebft cho 3, c\u00f2n kh\u00f4ng th\u00ec x\u1ebfp v\u00e0o d\u00e0n t\u1ed5ng kh\u00f4ng chia h\u1ebft cho 3. <\/p>\n\n\n\n
\u0110\u1ec3 hi\u1ec3u h\u01a1n v\u1ec1 t\u1ed5ng \u0111\u1ec1 l\u00e0 g\u00ec <\/strong>b\u1ea1n c\u1ea7n ph\u1ea3i bi\u1ebft c\u00f3 nh\u1eefng lo\u1ea1i t\u1ed5ng \u0111\u1ec1 n\u00e0o? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i t\u1ed5ng \u0111\u1ec1 n\u1ed5i b\u1eadt b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o: <\/p>\n\n\n\n T\u1ed5ng 0 ch\u00ednh l\u00e0 nh\u1eefng con s\u1ed1 sau khi th\u1ef1c hi\u1ec7n ph\u00e9p c\u1ed9ng gi\u1eefa hai s\u1ed1 th\u00ec c\u00f3 t\u1ed5ng b\u1eb1ng 0 ho\u1eb7c b\u1eb1ng 10. T\u1ed5ng \u0111\u1ec1 0 s\u1ebd bao g\u1ed3m 10 s\u1ed1 \u0111\u00f3 l\u00e0: 00 \u2013 19 \u2013 91 \u2013 28 \u2013 82 \u2013 37 \u2013 73 \u2013 46 \u2013 64 \u2013 55.<\/p>\n\n\n\n T\u1ed5ng \u0111\u1ec1 1 bao g\u1ed3m nh\u1eefng s\u1ed1 c\u00f3 t\u1ed5ng 2 \u0111\u01a1n v\u1ecb c\u1ed9ng l\u1ea1i b\u1eb1ng 1 ho\u1eb7c 11. Theo \u0111\u00f3 c\u00e1c con s\u1ed1 n\u1eb1m trong t\u1ed5ng 1 \u0111\u00f3 l\u00e0: 01, 10, 29, 92, 38, 83, 47, 74, 56, 65. <\/p>\n\n\n\n \u0110\u1ec1 t\u1ed5ng 2 l\u00e0 nh\u1eefng con s\u1ed1 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 b\u1eb1ng 2 ho\u1eb7c 12. C\u1ee5 th\u1ec3 d\u00e0n \u0111\u1ec1 c\u00f3 t\u1ed5ng b\u1eb1ng 2 s\u1ebd bao g\u1ed3m c\u00e1c con s\u1ed1 \u0111\u00f3 l\u00e0: 02, 20, 11, 39, 93, 48, 84, 57, 75, 66. <\/p>\n\n\n\n T\u1ed5ng \u0111\u1ec1 3 bao g\u1ed3m nh\u1eefng con s\u1ed1 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 c\u1ed9ng l\u1ea1i b\u1eb1ng 3 ho\u1eb7c 13. Theo \u0111\u00f3 c\u00e1c con s\u1ed1 n\u00e0y l\u00e0: 03 30 12 21 49 94 58 85 67 76.<\/p>\n\n\n\n T\u1ed5ng \u0111\u1ec1 l\u00e0 nh\u1eefng c\u1eb7p s\u1ed1 c\u00f3 t\u1ed5ng 2 s\u1ed1 c\u1ed9ng l\u1ea1i b\u1eb1ng 4 h\u1eb7c 14. D\u00e0n \u0111\u1ec1 \u0111\u1ec3 b\u1ea1n s\u1eed d\u1ee5ng c\u00f3 t\u1ed5ng 4 l\u00e0: 04, 40, 13, 31, 22, 59, 95, 68, 86, 77.<\/p>\n\n\n\n \u0110\u1ec1 c\u00f3 t\u1ed5ng 5 s\u1ebd l\u00e0 nh\u1eefng con s\u1ed1 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 c\u1ed9ng l\u1ea1i b\u1eb1ng 5 ho\u1eb7c 15. Theo th\u1ed1ng k\u00ea th\u00ec c\u00e1c s\u1ed1 \u0111\u1ec1 c\u00f3 t\u1ed5ng 5 s\u1ebd l\u00e0: 05, 50, 14, 41, 23, 32, 69, 96, 78, 87.<\/p>\n\n\n\n \u0110\u1ec1 t\u1ed5ng 6 l\u00e0 nh\u1eefng con s\u1ed1 c\u00f3 t\u1ed5ng c\u1ed9ng l\u1ea1i b\u1eb1ng 6 ho\u1eb7c 16. T\u1ed5ng 6 s\u1ebd bao g\u1ed3m nh\u1eefng con s\u1ed1 sau: 06, 60, 15, 51, 24, 42, 33, 88, 79, 97.<\/p>\n\n\n\n \u0110\u1ec3 c\u00f3 t\u1ed5ng 7 l\u00e0 nh\u1eefng c\u1eb7p s\u1ed1 khi c\u1ed9ng l\u1ea1i c\u00f3 k\u1ebft qu\u1ea3 b\u1eb1ng 7 ho\u1eb7c 17. Theo \u0111\u00f3 d\u00e0n \u0111\u1ec1 t\u1ed5ng 7 s\u1ebd bao g\u1ed3m 10 con s\u1ed1 \u0111\u00f3 l\u00e0: 07 \u2013 70 \u2013 16 \u2013 61 \u2013 25 \u2013 52 \u2013 34 \u2013 43 \u2013 89 \u2013 98.<\/p>\n\n\n\n \u0110\u1ec1 t\u1ed5ng 8 l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng con s\u1ed1 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 c\u1ed9ng l\u1ea1i b\u1eb1ng 8 ho\u1eb7c 18. Nh\u01b0 v\u1eady t\u1ed5ng \u0111\u1ec1 8 s\u1ebd bao g\u1ed3m c\u00e1c c\u1eb7p s\u1ed1 sau: 08 \u2013 80 \u2013 17 \u2013 71 \u2013 26 \u2013 62 \u2013 35 \u2013 53 \u2013 44 \u2013 99.<\/p>\n\n\n\nT\u1ed5ng 0 g\u1ed3m nh\u1eefng con g\u00ec?<\/em><\/strong><\/h3>\n\n\n\n
\u0110\u1ec1 t\u1ed5ng 1 <\/em><\/strong><\/h3>\n\n\n\n
\u0110\u1ec1 t\u1ed5ng 2 <\/em><\/strong><\/h3>\n\n\n\n
\u0110\u1ec1 t\u1ed5ng 3 g\u1ed3m nh\u1eefng con g\u00ec?<\/em><\/strong><\/h3>\n\n\n\n
\u0110\u1ec1 t\u1ed5ng 4 <\/em><\/strong><\/h3>\n\n\n\n
\u0110\u1ec1 t\u1ed5ng 5 <\/em><\/strong><\/h3>\n\n\n\n
\u0110\u1ec1 t\u1ed5ng 6 <\/em><\/strong><\/h3>\n\n\n\n
\u0110\u1ec1 t\u1ed5ng 7 <\/em><\/strong><\/h3>\n\n\n\n
\u0110\u1ec1 t\u1ed5ng 8 c\u00f3 bao nhi\u00eau con?<\/em><\/strong><\/h3>\n\n\n\n