{"id":18005,"date":"2024-04-25T01:17:17","date_gmt":"2024-04-25T01:17:17","guid":{"rendered":"https:\/\/soicau5103.minhngocxoso.com\/?p=18005"},"modified":"2024-04-25T01:17:17","modified_gmt":"2024-04-25T01:17:17","slug":"soi-dan-de-chia-het-cho-3-va-dan-de-khong-chia-het-cho-3","status":"publish","type":"post","link":"https:\/\/cau2nhay.com\/soi-dan-de-chia-het-cho-3-va-dan-de-khong-chia-het-cho-3\/","title":{"rendered":"soi d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3 v\u00e0 d\u00e0n \u0111\u1ec1 kh\u00f4ng chia h\u1ebft cho 3"},"content":{"rendered":"\n
D\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3 v\u00e0 d\u00e0n \u0111\u1ec1 kh\u00f4ng chia h\u1ebft cho 3 l\u00e0 l\u00e0 g\u00ec? C\u00e1ch t\u1ea1o d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3, d\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 1, d\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 2 hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3 v\u00e0 chia cho 3 d\u01b0 1, d\u01b0 2 \u0111ang l\u00e0 c\u00e1c lo\u1ea1i d\u00e0n \u0111\u1ec1 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i \u0111\u00e1nh gi\u00e1 cao hi\u1ec7n nay. V\u1eady d\u00e0n \u0111\u1ec1 n\u00e0y nh\u01b0 th\u1ebf n\u00e0o v\u00e0 c\u00e1ch t\u1ea1c d\u00e0n \u0111\u1ec1 ra sao, m\u1eddi c\u00e1c b\u1ea1n c\u00f9ng tham kh\u1ea3o b\u00e0i vi\u1ebft.<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1eeb 0 t\u1edbi 99 chia h\u1ebft cho 3.<\/p>\n\n\n\n
T\u1ee9c l\u00e0, nh\u1eefng s\u1ed1 trong ph\u1ea1m vi t\u1eeb 0 t\u1edbi 99 m\u00e0 chia h\u1ebft cho 3 s\u1ebd thu\u1ed9c d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3<\/p>\n\n\n\n
V\u00ed d\u1ee5: S\u1ed1 36 chia h\u1ebft cho 3. Hay chia cho 3 \u0111\u01b0\u1ee3c 12 d\u01b0 0 n\u00ean n\u00f3 thu\u1ed9c d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3<\/p>\n\n\n\n
S\u1ed1 60 chia h\u1ebft cho 3. Hay chia cho 3 b\u1eb1ng 20 d\u01b0 0 n\u00ean n\u00f3 thu\u1ed9c d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3<\/p>\n\n\n\n
Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 h\u00ecnh dung v\u1ec1 d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3 n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n d\u1ef1a v\u00e0o m\u1ed9t d\u00e2u hi\u1ec7u trong to\u00e1n h\u1ecdc l\u00e0 c\u00e1c s\u1ed1 chia h\u1ebft cho 3 khi t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a n\u00f3 chia h\u1ebft cho 3. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 c\u00e1c s\u1ed1 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 chia h\u1ebft cho 3 th\u00ec thu\u1ed9c d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3.<\/p>\n\n\n\n
S\u1ed1 63 c\u00f3 6 + 3 = 9 chia h\u1ebft cho 3. N\u00ean 63 thu\u1ed9c d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3<\/p>\n\n\n\n
S\u1ed1 15 c\u00f3 1 + 5 = 6 chia h\u1ebft cho 3. N\u00ean 15 thu\u1ed9c d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3 g\u1ed3m c\u00f3 34 s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n
00, 03, 06, 09,12,15,18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99<\/p>\n\n\n\n
C\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 d\u00e0n \u0111\u1ec1 chi h\u1ebft cho 3, d\u00e0n \u0111\u1ec1 kh\u00f4ng chia h\u1ebft cho 3 v\u00e0 c\u1ee5 th\u1ec3 l\u00e0 d\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 1, ta \u00e1p d\u1ee5ng d\u1ea5u hi\u1ec7u chia 3 d\u01b0 1 c\u1ee7a s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u1ec3 nh\u1eadn bi\u1ebft c\u00e1c s\u1ed1 trong d\u00e0n \u0111\u1ec1 n\u00e0y. \u0110\u00f3 l\u00e0 c\u00e1c s\u1ed1 n\u00e0y chia cho 3 d\u01b0 1 khi t\u1ed5ng 2 ch\u1eef s\u1ed1 chia 3 d\u01b0 1. V\u00ed d\u1ee5:<\/p>\n\n\n\n
S\u1ed1 34 c\u00f3 3 + 4 = 7chia 3 d\u01b0 1 n\u00ean 34 thu\u1ed9c d\u00e0n \u0111\u1ec1 chia 3 d\u01b0 1<\/p>\n\n\n\n
S\u1ed1 79 c\u00f3 7 + 9 = 16 chia 3 d\u01b0 1 n\u00ean 79 thu\u1ed9c d\u00e0n \u0111\u1ec1 chia 3 d\u01b0 1<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 1 g\u1ed3m nh\u1eefng s\u1ed1: 01, 04, 07, 10, 13, 16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 kh\u00f4ng chia h\u1ebft cho 3 \u2013 D\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 3 c\u0169ng gi\u1ed1ng v\u1edbi d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3 v\u00e0 d\u00e0n \u0111\u1ec1 chia 3 d\u01b0 1 \u1edf ph\u01b0\u01a1ng ph\u00e1p nh\u1eadn bi\u1ebft.<\/p>\n\n\n\n
D\u00e0n \u0111\u1ec1 chia 3 d\u01b0 2 c\u00f3 33 s\u1ed1 g\u1ed3m c\u00e1c s\u1ed1 sau: 02, 05, 08, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41, 44, 47, 50, 53, 56, 59, 62, 65, 68, 71, 74, 77, 80, 83, 86, 89, 92, 95, 98<\/p>\n\n\n\n
\u0110\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c h\u00f4m nay s\u1ebd \u0111\u00e1nh d\u00e0n \u0111\u1ec1 chia h\u1ebft hay kh\u00f4ng chia h\u1ebft cho 3, chia cho 3 d\u01b0 1 hay d\u01b0 2, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1ch t\u00ednh d\u1ef1a v\u00e0o gi\u1ea3i \u0111\u1eb7c bi\u1ec7t d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a h\u1ecdc ch\u01a1i l\u00f4 \u0111\u1ec1.<\/p>\n\n\n\n
C\u00e1ch t\u00ednh n\u00e0y nh\u01b0 sau: Theo d\u00f5i k\u1ebft qu\u1ea3 XSKT, l\u1ea5y gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y h\u00f4m tr\u01b0\u1edbc v\u00e0 t\u00ednh t\u1ed5ng c\u1ee7a n\u00f3, n\u1ebfu r\u01a1i v\u00e0o tr\u01b0\u1eddng h\u1ee3p n\u00e0o th\u00ec ch\u1ecdn d\u00e0n \u0111\u1ec1 \u0111\u00e1nh t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n
\u2013 T\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t chia h\u1ebft cho 3, l\u1ef1a ch\u1ecdn d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3.<\/p>\n\n\n\n
\u2013 T\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t chia cho 3 d\u01b0 1, ch\u1ecdn ngay d\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 1 \u0111\u1ec3 nu\u00f4i.<\/p>\n\n\n\n
\u2013 T\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t chia cho 3 d\u01b0 2, l\u1ea5y d\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 2 \u0111\u00e1nh.<\/p>\n\n\n\n
V\u00ed d\u1ee5: Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n B\u1eafc ng\u00e0y 2\/6 l\u00e0 62323, c\u00f3 t\u1ed5ng l\u00e0 6 + 2 + 3 + 2 + 3 = 16, chia cho 3 d\u01b0 1, \u0111\u00e1nh d\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 1. Ng\u00e0y 3\/6 \u0111\u1ec1 v\u1ec1 22.<\/p>\n\n\n\n
Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng chia s\u1ebb v\u1ec1 d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3, d\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 1, d\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 2 c\u0169ng nh\u01b0 c\u00e1ch t\u1ea1o d\u00e0n \u0111\u1ec1 n\u00e0y. Hy v\u1ecdng ng\u01b0\u1eddi ch\u01a1i s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u th\u00e0nh c\u00f4ng t\u1eeb c\u00e1ch ch\u01a1i d\u00e0n \u0111\u1ec1 n\u00e0y. Ch\u00fac c\u00e1c b\u1ea1n may m\u1eafn.<\/p>\n\r\n
D\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3 v\u00e0 d\u00e0n \u0111\u1ec1 kh\u00f4ng chia h\u1ebft cho 3 l\u00e0 l\u00e0 g\u00ec? C\u00e1ch t\u1ea1o d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3, d\u00e0n \u0111\u1ec1 chia cho 3 […]<\/p>\n","protected":false},"author":1,"featured_media":18006,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[3128,2981,2899,3546,2900,3342,3339,3575,3576,3340,3197,2983,2976,3344,3343,3040,3026,124,3341,2901],"yoast_head":"\n