{"id":18179,"date":"2024-03-14T03:26:24","date_gmt":"2024-03-14T03:26:24","guid":{"rendered":"https:\/\/soicau5068.minhngocxoso.com\/?p=18179"},"modified":"2024-03-14T03:26:24","modified_gmt":"2024-03-14T03:26:24","slug":"dan-de-tong-tren-10-va-tong-duoi-10-la-gi","status":"publish","type":"post","link":"https:\/\/dudoanbachthu.com\/dan-de-tong-tren-10-va-tong-duoi-10-la-gi\/","title":{"rendered":"d\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 v\u00e0 t\u1ed5ng d\u01b0\u1edbi 10 l\u00e0 g\u00ec?"},"content":{"rendered":"
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D\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 v\u00e0 t\u1ed5ng d\u01b0\u1edbi 10 l\u00e0 g\u00ec? G\u1ed3m bao nhi\u00eau con l\u00e0 th\u1eafc m\u1eafc c\u1ee7a \u0111\u00f4ng \u0111\u1ea3o ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1. K\u1ec3 c\u1ea3 nhi\u1ec1u anh em \u0111ang ch\u01a1i hay th\u1eadm ch\u00ed c\u1ea3 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi \u00f4m l\u00f4 \u0111\u1ec1 c\u0169ng kh\u00f4ng bi\u1ebft \u0111\u1ebfn 2 b\u1ed9 s\u1ed1 n\u00e0y. D\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 v\u00e0 \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10 l\u00e0 2 b\u1ed9 s\u1ed1 kh\u00e1 d\u1ec5 hi\u1ec3u v\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e2u n\u0103m. Khi \u1ee9ng d\u1ee5ng nhu\u1ea7n nhuy\u1ec5n c\u1ea3 2 b\u1ed9 s\u1ed1 n\u00e0y th\u00ec anh em c\u00f3 th\u1ec3 v\u1eadn d\u1ee5ng v\u00e0o vi\u1ec7c soi c\u1ea7u c\u0169ng nh\u01b0 b\u1eaft c\u1ea7u \u0111\u1ec1 c\u1ef1c k\u1ef3 chu\u1ea9n. V\u1eady \u0111\u1ec3 r\u00f5 h\u01a1n v\u1ec1 nh\u1eefng th\u1eafc m\u1eafc tr\u00ean th\u00ec m\u1eddi c\u00e1c b\u1ea1n c\u00f9ng t\u00ecm hi\u1ec3u n\u1ed9i dung b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 \u0111\u01a1n gi\u1ea3n l\u00e0 t\u1eadp h\u1ee3p c\u00e1c con s\u1ed1 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 10. C\u00f2n d\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10 \u0111\u00f3 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c con s\u1ed1 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 nh\u1ecf h\u01a1n 10<\/p>\n\n\n\n
Vi\u1ec7c t\u00ednh t\u1ed5ng 2 ch\u1eef s\u1ed1 trong 2 d\u00e0n \u0111\u1ec1 n\u00e0y kh\u00f4ng d\u1ef1a theo b\u00e0i 3 c\u00e2y (b\u00e0i c\u00e0o) m\u00e0 s\u1ebd gi\u1eef y\u00ean t\u1ed5ng c\u1ee7a 2 ch\u1eef s\u1ed1 \u0111\u1ec3 l\u1ef1a ch\u1ecdn con s\u1ed1 l\u1eadp d\u00e0n. \u0110\u1ec3 anh em c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n ta s\u1ebd ph\u00e2n t\u00edch v\u00ed d\u1ee5 sau \u0111\u00e2y.<\/p>\n\n\n\n
+) S\u1ed1 75 s\u1ebd c\u00f3 t\u1ed5ng b\u1eb1ng 7 + 5 = 12<\/p>\n\n\n\n
Theo ph\u01b0\u01a1ng ph\u00e1p t\u00ednh \u0111i\u1ec3m trong n\u1ed9i dung n\u00e0y l\u00e0 \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 th\u00ec 75 n\u1eb1m trong d\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 do 7 + 5 = 12 l\u1edbn h\u01a1n 10.<\/p>\n\n\n\n
+) S\u1ed1 23 s\u1ebd c\u00f3 t\u1ed5ng b\u1eb1ng 2 + 3 = 5<\/p>\n\n\n\n
Theo ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a b\u00e0i n\u00e0y th\u00ec 23 \u0111\u01b0\u1ee3c s\u1eafp v\u00e0o d\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10 b\u1edfi v\u00ec 2 + 3 = 5 nh\u1ecf h\u01a1n 10. Sau khi xem 2 v\u00ed d\u1ee5 tr\u00ean ch\u1eafc h\u1eb3n anh em \u0111\u00e3 hi\u1ec3u v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n lo\u1ea1i d\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 hay d\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10 c\u1ee7a r\u1ed3i ph\u1ea3i kh\u00f4ng. V\u1eady d\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 c\u00f3 bao nhi\u00eau con? T\u1ed5ng d\u01b0\u1edbi 10 c\u00f3 bao nhi\u00eau con? \u0110\u00f3 l\u00e0 nh\u1eefng con s\u1ed1 n\u00e0o? H\u00e3y theo d\u00f5i ph\u1ea7n ti\u1ebfp theo c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y nh\u00e9.<\/p>\n\n\n\n
\u0110\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10 theo nh\u01b0 \u0111\u1ecbnh ngh\u0129a \u1edf tr\u00ean s\u1ebd c\u00f3 55 s\u1ed1 v\u1edbi t\u1ed5ng 2 ch\u1eef s\u1ed1 b\u00e9 h\u01a1n 10. D\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10 s\u1ebd bao g\u1ed3m c\u00e1c con s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n
00 \u2013 01 \u2013 02 \u2013 03 \u2013 04 \u2013 05 \u2013 06 \u2013 07 \u2013 08 \u2013 09<\/p>\n\n\n\n
10 \u2013 11 \u2013 12 \u2013 13 \u2013 14 \u2013 15 \u2013 16 \u2013 17 \u2013 18<\/p>\n\n\n\n
20 \u2013 21 \u2013 22 \u2013 23 \u2013 24 \u2013 25 \u2013 26 \u2013 27<\/p>\n\n\n\n
30 \u2013 31 \u2013 32 \u2013 33 \u2013 34 \u2013 35 \u2013 36<\/p>\n\n\n\n
40 \u2013 41 \u2013 42 \u2013 43 \u2013 44 \u2013 45<\/p>\n\n\n\n
50 \u2013 51 \u2013 52 \u2013 53 \u2013 54<\/p>\n\n\n\n
60 \u2013 61 \u2013 62 \u2013 63<\/p>\n\n\n\n
70 \u2013 71 \u2013 72<\/p>\n\n\n\n
80 \u2013 81<\/p>\n\n\n\n
90<\/p>\n\n\n\n
Ti\u1ebfp \u0111\u1ebfn h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u d\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 g\u1ed3m nh\u1eefng s\u1ed1 n\u00e0o nh\u00e9.<\/p>\n\n\n\n