{"id":18116,"date":"2024-05-15T21:15:13","date_gmt":"2024-05-15T21:15:13","guid":{"rendered":"https:\/\/soicau2106.minhngocxoso.com\/dan-de-chia-het-cho-3-chia-3-du-1-chia-3-du-2-la-gi-gom-nhung-so-nao\/"},"modified":"2024-05-15T21:15:13","modified_gmt":"2024-05-15T21:15:13","slug":"dan-de-chia-het-cho-3-chia-3-du-1-chia-3-du-2-la-gi-gom-nhung-so-nao","status":"publish","type":"post","link":"https:\/\/cauviplo.com\/dan-de-chia-het-cho-3-chia-3-du-1-chia-3-du-2-la-gi-gom-nhung-so-nao\/","title":{"rendered":"d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3, chia 3 d\u01b0 1, chia 3 d\u01b0 2 l\u00e0 g\u00ec, g\u1ed3m nh\u1eefng s\u1ed1 n\u00e0o"},"content":{"rendered":"
<\/p>\n
D\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3, d\u01b0 1, d\u01b0 2 m\u1edbi \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a v\u00e0 \u00e1p d\u1ee5ng g\u1ea7n \u0111\u00e2y. Tuy nhi\u00ean c\u00e1c d\u00e0n \u0111\u1ec1 n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng kh\u00e1 th\u00e0nh c\u00f4ng b\u1edfi c\u00e1c cao th\u1ee7 l\u00f4 \u0111\u1ec1. Nh\u1eadn bi\u1ebft v\u00e0 \u0111\u1ecbnh ngh\u0129a c\u00e1c d\u00e0n \u0111\u1ec1 n\u00e0y c\u1ef1c k\u1ef3 d\u1ec5 d\u00e0ng ngay t\u1eeb t\u00ean g\u1ecdi c\u1ee7a n\u00f3. Ng\u01b0\u1eddi ta ph\u00e2n lo\u1ea1i c\u00e1c d\u00e0n \u0111\u1ec1 n\u00e0y theo s\u1ed1 d\u01b0 c\u1ee7a ph\u00e9p chia c\u1ee7a c\u00e1c s\u1ed1 trong d\u00e0n \u0111\u00f3 cho 3.<\/p>\n
L\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 \u0111\u1ec1 chia h\u1ebft cho 3. C\u00f3 ngh\u0129a l\u00e0 s\u1ed1 d\u01b0 trong ph\u00e9p chia c\u1ee7a 1 s\u1ed1 b\u1ea5t k\u1ef3 trong d\u00e0n \u0111\u1ec1 n\u00e0y cho 3 \u0111\u1ec1u b\u1eb1ng 0.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
=> Hai s\u1ed1 24 v\u00e0 64 thu\u1ed9c d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3<\/p>\n
Tuy c\u00e1ch h\u00ecnh dung v\u1ec1 d\u00e0n \u0111\u1ec1 n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n. \u0110\u1ec3 d\u1ec5 nh\u1edb v\u00e0 t\u00ednh to\u00e1n nhanh h\u01a1n ta th\u01b0\u1eddng \u00e1p d\u1ee5ng 1 d\u1ea5u hi\u1ec7u trong to\u00e1n h\u1ecdc. \u0110\u00f3 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 n\u00e0y.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
=> Hai s\u1ed1 87 v\u00e0 63 thu\u1ed9c d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3<\/p>\n
D\u00e0n \u0111\u1ec1 n\u00e0y g\u1ed3m c\u00f3 34 s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\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
<\/p>\n
C\u0169ng nh\u01b0 d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3. Ta \u00e1p d\u1ee5ng d\u1ea5u hi\u1ec7u cho 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.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
=> Hai s\u1ed1 64 v\u00e0 58 thu\u1ed9c d\u00e0n \u0111\u1ec1 chia 3 d\u01b0 1<\/p>\n
D\u00e0n \u0111\u1ec1 chia 3 d\u01b0 2 c\u00f3 33 s\u1ed1 g\u1ed3m c\u00e1c s\u1ed1 sau:<\/p>\n
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
D\u00e0n \u0111\u1ec1 chia cho 3 d\u01b0 2 c\u0169ng gi\u1ed1ng v\u1edbi hai d\u00e0n \u0111\u1ec1 ph\u00eda tr\u00ean \u1edf ph\u01b0\u01a1ng ph\u00e1p nh\u1eadn bi\u1ebft.<\/p>\n
D\u00e0n \u0111\u1ec1 chia 3 d\u01b0 2 c\u00f3 33 s\u1ed1 g\u1ed3m c\u00e1c s\u1ed1 sau:<\/p>\n
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
Qua b\u00e0i vi\u1ebft n\u00e0y c\u00e1c b\u1ea1n ch\u1eafc ch\u1eafn \u0111\u00e3 n\u1eafm \u0111\u01b0\u1ee3c d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft nhanh c\u1ee7a d\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3, d\u01b0 1, d\u01b0 2. Ch\u00fac c\u00e1c b\u1ea1n \u00e1p d\u1ee5ng th\u00e0nh c\u00f4ng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y v\u00e0o th\u1ef1c t\u1ebf. H\u1eb9n g\u1eb7p l\u1ea1i c\u00e1c b\u1ea1n \u1edf nh\u1eefng b\u00e0i vi\u1ebft ti\u1ebfp theo.<\/p>\n
<\/b> D\u00e0n \u0111\u1ec1 chia h\u1ebft cho 3, chia 3 d\u01b0 1, chia 3 d\u01b0 2 l\u00e0 g\u00ec, g\u1ed3m nh\u1eefng s\u1ed1 n\u00e0o<\/p>\n","protected":false},"author":1,"featured_media":18132,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[322],"tags":[818,816,820,815,148,822,123,821,819,715],"yoast_head":"\nb\u1ea1ch th\u1ee7 l\u00f4 chu\u1ea9n 100% mb<\/span><\/a><\/strong><\/p>\n
b\u1ea1ch th\u1ee7 l\u00f4 2 nh\u00e1y si\u00eau chu\u1ea9n<\/span><\/a> <\/strong><\/p>\n
b\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p v\u00edp<\/span><\/a> <\/strong><\/p>\n
b\u1ea1ch th\u1ee7 \u0111\u1ec1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n
song th\u1ee7 l\u00f4 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n
d\u00e0n \u0111\u1ec1 4 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n
d\u00e0n \u0111\u1ec1 6 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n
d\u00e0n \u0111\u1ec1 8 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n
d\u00e0n \u0111\u1ec1 10 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n
song th\u1ee7 l\u00f4 k\u00e9p mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n
song th\u1ee7 \u0111\u1ec1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n
d\u00e0n l\u00f4 4 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n
\u2714 soi c\u1ea7u mi\u1ec1n b\u1eafc si\u00eau ch\u00ednh x\u00e1c<\/span><\/h2>\n
d\u00e0n l\u00f4 6 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n l\u00f4 xi\u00ean 2 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n l\u00f4 xi\u00ean 4 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n l\u00f4 8 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n l\u00f4 xi\u00ean 3 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
3 c\u00e0ng mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n 3 c\u00e0ng 2 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
\u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i mi\u1ec1n b\u1eafc<\/span><\/a><\/strong><\/h4>\n
d\u00e0n l\u00f4 10 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a><\/strong><\/h4>\n
\u2714 soi c\u1ea7u mi\u1ec1n nam si\u00eau ch\u00ednh x\u00e1c<\/span><\/h2>\n
x\u1ec9u ch\u1ee7 mi\u1ec1n nam<\/span><\/a><\/b><\/strong><\/p>\n
<\/b>gi\u1ea3i 8 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n
<\/b>c\u1eb7p x\u1ec9u ch\u1ee7 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n
<\/b>\u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n
<\/b>l\u00f4 3 s\u1ed1 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n
<\/b>gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n
<\/b>bao l\u00f4 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n
<\/b>song th\u1ee7 l\u00f4 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n
<\/b>\u0111\u1ea7u \u0111u\u00f4i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n
\u2714 soi c\u1ea7u mi\u1ec1n trung<\/span><\/h2>\n
x\u1ec9u ch\u1ee7 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
gi\u1ea3i 8 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
c\u1eb7p x\u1ec9u ch\u1ee7 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
\u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
l\u00f4 3 s\u1ed1 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n trung<\/a><\/strong><\/h4>\n
bao l\u00f4 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
song th\u1ee7 l\u00f4 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
\u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i \u0111\u1eb7c bi\u00eat mt<\/a><\/strong><\/h4>\n","protected":false},"excerpt":{"rendered":"