{"id":18058,"date":"2024-02-29T06:20:18","date_gmt":"2024-02-29T06:20:18","guid":{"rendered":"https:\/\/soicau4025.minhngocxoso.com\/?p=18058"},"modified":"2024-02-29T06:20:18","modified_gmt":"2024-02-29T06:20:18","slug":"cach-tao-dan-de-tong-tren-10-va-duoi-10-thang-lon","status":"publish","type":"post","link":"https:\/\/xsmbsoicau366.com\/cach-tao-dan-de-tong-tren-10-va-duoi-10-thang-lon\/","title":{"rendered":"c\u00e1ch t\u1ea1o d\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 v\u00e0 d\u01b0\u1edbi 10 th\u1eafng l\u1edbn"},"content":{"rendered":"
<\/p>\n\n\n
Ng\u00e0y nay, l\u00f4 \u0111\u1ec1 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 h\u00ecnh th\u1ee9c gi\u1ea3i tr\u00ed \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i y\u00eau m\u1ebfn. Nh\u1eefng con s\u1ed1 l\u00f4 \u0111\u1ec1 l\u00e0 c\u1ee5m t\u1eeb \u0111\u01b0\u1ee3c t\u00ecm ki\u1ebfm nhi\u1ec1u nh\u1ea5t tr\u00ean c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm c\u1ee7a Google. B\u1edfi v\u00ec, ngo\u00e0i y\u1ebfu t\u1ed1 may m\u1eafn th\u00ec \u0111\u1ec3 chi\u1ebfn th\u1eafng tr\u00f2 ch\u01a1i n\u00e0y c\u1ea7n c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p. Trong \u0111\u00f3, d\u00e0n \u0111\u1ec1 t\u1ed5ng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 c\u00e1ch ch\u01a1i v\u00f4 c\u00f9ng quen thu\u1ed9c. Khi \u0111\u00f3, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00ecm ra d\u00e0n \u0111\u1ec1 \u00e1p d\u1ee5ng trong ng\u00e0y, quanh n\u0103m. V\u1eady t\u1ea1o d\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 v\u00e0 d\u01b0\u1edbi 10 nh\u01b0 th\u1ebf n\u00e0o l\u00e0 ho\u00e0n h\u1ea3o nh\u1ea5t?<\/p>\n\n\n\n
L\u00f4 \u0111\u1ec1 ngo\u00e0i vi\u1ec7c ph\u1ee5 thu\u1ed9c v\u00e0o y\u1ebfu t\u1ed1 may m\u1eafn th\u00ec c\u1ea7n ph\u1ea3i tham kh\u1ea3o th\u00eam nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i. \u0110\u00e2y l\u00e0 \u0111i\u1ec1u m\u00e0 c\u00e1c cao th\u1ee7 \u0111\u00e3 \u0111\u00fac k\u1ebft ra t\u1eeb r\u1ea5t l\u00e2u. Nh\u1eefng ng\u01b0\u1eddi ch\u01a1i m\u1edbi c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1ch ch\u01a1i b\u1eb1ng d\u00e0n \u0111\u1ec1 \u0111\u1ec3 mang t\u1edbi hi\u1ec7u qu\u1ea3 cao h\u01a1n. Trong \u0111\u00f3, d\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u01b0a chu\u1ed9ng.<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10 \u0111\u01b0\u1ee3c nhi\u1ec1u cao th\u1ee7 \u0111\u00e1nh gi\u00e1 r\u1ea5t hi\u1ec7u qu\u1ea3. D\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10 \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 t\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 nh\u1eefng s\u1ed1 t\u1eeb 0 \u2013 99 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 nh\u1ecf h\u01a1n 10. V\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n nh\u01b0:<\/p>\n\n\n\n
\u2013 S\u1ed1 26 c\u00f3 t\u1ed5ng l\u00e0 2 + 6 = 8 < 10 n\u00ean 26 s\u1ebd thu\u1ed9c d\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10<\/p>\n\n\n\n
\u2013 S\u1ed1 96 c\u00f3 t\u1ed5ng l\u00e0 9 + 6 = 15 > 10 n\u00ean 96 s\u1ebd kh\u00f4ng thu\u1ed9c d\u00e0n \u0111\u1ec1 t\u1ed5ng nh\u1ecf h\u01a1n 10.<\/p>\n\n\n\n
L\u01b0u \u00fd: khi t\u00ednh d\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10, anh em s\u1ebd kh\u00f4ng d\u1ef1a v\u00e0 b\u00e0i 3 c\u00e2y nh\u01b0 nh\u1eefng c\u00e1ch t\u00ednh t\u1ed5ng th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n
Sau khi \u0111\u00e3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m v\u1ec1 t\u1ed5ng d\u00e0n \u0111\u1ec1 d\u01b0\u1edbi 10, anh em c\u00f3 th\u1ec3 t\u1ef1 t\u1ea1o cho m\u00ecnh m\u1ed9t d\u00e0n \u0111\u1ec1 \u01b0ng \u00fd. D\u00e0n \u0111\u1ec1 n\u00e0y s\u1ebd c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 nh\u1ecf h\u01a1n 10 v\u00e0 g\u1ed3m 55 ch\u1eef s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n
\u2013 00 \u2013 01 \u2013 02 \u2013 03 \u2013 04 \u2013 05 \u2013 06 \u2013 07 \u2013 08 \u2013 09<\/p>\n\n\n\n
\u2013 10 \u2013 11 \u2013 12 \u2013 13 \u2013 14 \u2013 15 \u2013 16 \u2013 17 \u2013 18<\/p>\n\n\n\n
\u2013 20 \u2013 21 \u2013 22 \u2013 23 \u2013 24 \u2013 25 \u2013 26 \u2013 27<\/p>\n\n\n\n
\u2013 30 \u2013 31 \u2013 32 \u2013 33 \u2013 34 \u2013 35 \u2013 36<\/p>\n\n\n\n
\u2013 40 \u2013 41 \u2013 42 \u2013 43 \u2013 44 \u2013 45<\/p>\n\n\n\n
\u2013 50 \u2013 51 \u2013 52 \u2013 53 \u2013 54<\/p>\n\n\n\n
\u2013 60 \u2013 61 \u2013 62 \u2013 63<\/p>\n\n\n\n
\u2013 70 \u2013 71 \u2013 72<\/p>\n\n\n\n
\u2013 80 \u2013 81<\/p>\n\n\n\n
\u2013 90<\/p>\n\n\n\n
\u0110\u1ec3 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng t\u1ed5ng d\u00e0n \u0111\u1ec1 d\u01b0\u1edbi 10, c\u00e1c b\u1ea1n l\u01b0u \u00fd tr\u01b0\u1eddng h\u1ee3p t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t trong ng\u00e0y ch\u1ee7 nh\u1eadt. Khi \u0111\u00f3, l\u1ea5y t\u1ed5ng \u0111\u1ec1 ng\u00e0y th\u1ee9 2 v\u1ec1 d\u01b0\u1edbi 10 v\u00e0 ti\u1ebfn h\u00e0nh soi c\u1ea7u cho ra d\u00e0n \u0111\u1ec1 nu\u00f4i trong tu\u1ea7n.<\/p>\n\n\n\n
B\u00ean c\u1ea1nh ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng t\u1ed5ng d\u00e0n \u0111\u1ec1 d\u01b0\u1edbi 10, ch\u00fang ta s\u1ebd c\u00f9ng nhau kh\u00e1m ph\u00e1 th\u00eam m\u1ed9t c\u00e1ch m\u1edbi. \u0110\u00f3 l\u00e0 x\u00e2y d\u1ef1ng t\u1ed5ng d\u00e0n \u0111\u1ec1 tr\u00ean 10.<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng con s\u1ed1 t\u1eeb 0 \u2013 99 khi c\u1ed9ng t\u1ed5ng 2 ch\u1eef s\u1ed1 v\u1edbi nhau l\u1edbn h\u01a1n 10. V\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n
\u2013 V\u00ed d\u1ee5: S\u1ed1 58 c\u00f3 t\u1ed5ng l\u00e0 5 + 8 = 13 > 10 n\u00ean 58 thu\u1ed9c d\u00e0n \u0111\u1ec1 t\u1ed5ng l\u1edbn h\u01a1n 10.<\/p>\n\n\n\n
\u0110\u1ec3 t\u1ea1o d\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10, c\u00e1c b\u1ea1n s\u1ebd c\u1ea7n so s\u00e1nh t\u1ed5ng 2 ch\u1eef s\u1ed1 \u0111\u00f3 v\u1edbi 10. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 d\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10 bao g\u1ed3m 45 s\u1ed1:<\/p>\n\n\n\n
\u2013 19<\/p>\n\n\n\n
\u2013 28 \u2013 29<\/p>\n\n\n\n
\u2013 37 \u2013 38 \u2013 39<\/p>\n\n\n\n
\u2013 46 \u2013 47 \u2013 48 \u2013 49<\/p>\n\n\n\n
\u2013 55 \u2013 56 \u2013 57 \u2013 58 \u2013 59<\/p>\n\n\n\n
\u2013 64 \u2013 65 \u2013 66 \u2013 67 \u2013 68 \u2013 69<\/p>\n\n\n\n
\u2013 73 \u2013 74 \u2013 75 \u2013 76 \u2013 77 \u2013 78 \u2013 79<\/p>\n\n\n\n
\u2013 82 \u2013 83 \u2013 84 \u2013 85 \u2013 86 \u2013 87 \u2013 88 \u2013 89<\/p>\n\n\n\n
\u2013 91 \u2013 92 \u2013 93 \u2013 94 \u2013 95 \u2013 96 \u2013 97 \u2013 98 \u2013 99<\/p>\n\n\n\n