{"id":18419,"date":"2024-05-05T04:27:16","date_gmt":"2024-05-05T04:27:16","guid":{"rendered":"https:\/\/soicau2103.minhngocxoso.com\/?p=18419"},"modified":"2024-05-05T04:27:16","modified_gmt":"2024-05-05T04:27:16","slug":"lo-3-cang-tong-hop-tat-ca-kien-thuc-ve-lo-3-cang-day-du-nhat","status":"publish","type":"post","link":"https:\/\/cauvethong.com\/lo-3-cang-tong-hop-tat-ca-kien-thuc-ve-lo-3-cang-day-du-nhat\/","title":{"rendered":"L\u00f4 3 c\u00e0ng – T\u1ed5ng h\u1ee3p t\u1ea5t c\u1ea3 ki\u1ebfn th\u1ee9c v\u1ec1 l\u00f4 3 c\u00e0ng \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t"},"content":{"rendered":"
V\u1edbi nh\u1eefng anh em th\u01b0\u1eddng ch\u01a1i l\u00f4 \u0111\u1ec1 ch\u1eafc h\u1eb3n kh\u00f4ng c\u00f2n xa l\u1ea1 v\u1edbi kh\u00e1i ni\u1ec7m l\u00f4 3 c\u00e0ng r\u1ed3i nh\u1ec9? V\u1eady l\u00f4 3 c\u00e0ng l\u00e0 g\u00ec? C\u00e1ch \u0111\u00e1nh 2 c\u00e0ng nh\u01b0 n\u00e0o chu\u1ea9n? C\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n
V\u1edbi nh\u1eefng anh em l\u00e2u n\u0103m trong ngh\u00ea, kh\u00e1i ni\u1ec7m l\u00f4 3 c\u00e0ng \u0111\u00e3 r\u1ea5t quen thu\u1ed9c. \u0110\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c anh em m\u1edbi ch\u01a1i l\u00f4 \u0111\u1ec1 hi\u1ec3u r\u00f5 c\u00e1ch ch\u01a1i l\u00f4 3 c\u00e0ng, c\u0103n t\u00ednh \u0111i\u1ec3m v\u00e0 m\u1ed9t v\u00e0i ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i hi\u1ec7u qu\u1ea3 ch\u00fang t\u00f4i \u0111\u00e3 t\u1ed5ng h\u1ee3p l\u1ea1i nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft khi ch\u01a1i l\u00f4 3 c\u00e0ng th\u00f4ng qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n
\u0110\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch ch\u01a1i th\u00ec tr\u01b0\u1edbc ti\u00ean c\u1ea7n n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m l\u00f4 3 c\u00e0ng. C\u00e1ch \u0111\u00e1nh 3 c\u00e0ng \u0111\u01b0\u1ee3c chia th\u00e0nh \u0111\u00e1nh l\u00f4 v\u00e0 \u0111\u00e1nh \u0111\u1ec1. V\u00ec v\u1eady ch\u00fang ta c\u1ea7n l\u00e0m r\u00f5 2 kh\u00e1i ni\u1ec7m l\u00f4 3 c\u00e0ng v\u00e0 \u0111\u1ec1 3 c\u00e0ng.<\/p>\n
L\u00f4 3 c\u00e0ng l\u00e0 3 s\u1ed1 cu\u1ed1i c\u1ee7a c\u00e1c gi\u1ea3i, bao g\u1ed3m 3 s\u1ed1 xu\u1ea5t hi\u1ec7n trong c\u00e1c gi\u1ea3i th\u01b0\u1edfng c\u1ee7a x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc.<\/p>\n
\u0110\u1ec1 3 c\u00e0ng l\u00e0 3 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t trong b\u1ea3ng k\u1ebft qu\u1ea3 quay th\u01b0\u1edfng x\u1ed5 s\u1ed1.<\/p>\n
Gi\u1ea3i th\u01b0\u1edfng khi tr\u00fang l\u00f4 3 c\u00e0ng l\u00e0 r\u1ea5t l\u1edbn ch\u00ednh v\u00ec th\u1ebf r\u1ea5t nhi\u1ec1u anh em ham v\u00e0 ch\u01a1i theo h\u00ecnh th\u1ee9c \u201ct\u1ea5t tay\u201d. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng may m\u1eafn nh\u01b0 v\u1eady v\u00ec \u0111\u1ec3 tr\u00fang \u0111\u01b0\u1ee3c l\u00f4 3 c\u00e0ng th\u00ec ph\u1ea3i tr\u00f9ng c\u1ea3 3 s\u1ed1. Ch\u00ednh v\u00ec th\u1ebf, r\u1ea5t nhi\u1ec1u anh em \u201ct\u1ea5t tay\u201d ph\u1ea3i ng\u1eadm ng\u00f9i trong cay \u0111\u1eafng v\u00ec thua s\u1ea1ch.<\/p>\n
\u0110\u1ecbnh ngh\u0129a l\u00f4 3 c\u00e0ng mi\u1ec1n B\u1eafc c\u0169ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a gi\u1ed1ng nh\u01b0 l\u00f4 3 c\u00e0ng \u1edf b\u00ean tr\u00ean. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd l\u1ef1a ch\u1ecdn 3 con s\u1ed1 theo d\u1ef1 \u0111o\u00e1n c\u1ee7a m\u00ecnh n\u00f3 s\u1ebd v\u1ec1 trong 23 gi\u1ea3i th\u01b0\u1edfng (tr\u1eeb gi\u1ea3i 7). N\u1ebfu tr\u00fang th\u00ec 3 s\u1ed1 b\u1ea1n ch\u1ecdn ph\u1ea3i tr\u00f9ng v\u1edbi 3 s\u1ed1 c\u1ee7a m\u1ed9t gi\u1ea3i \u0111\u1eb7c bi\u1ec7t trong b\u1ea3ng k\u1ebft qu\u1ea3 quay ng\u00e0y h\u00f4m \u0111\u00f3. C\u00f2n n\u1ebfu ch\u1ec9 sai m\u1ed9t ch\u1eef s\u1ed1 th\u00ec coi nh\u01b0 kh\u00f4ng tr\u00fang.<\/p>\n
<\/p>\n
L\u00f4 3 c\u00e0ng mi\u1ec1n B\u1eafc l\u00e0 h\u00ecnh th\u1ee9c ch\u01a1i r\u1ea5t ph\u1ed5 bi\u1ebfn, \u0111\u00e3 xu\u1ea5t hi\u1ec7n t\u1eeb r\u1ea5t l\u00e2u nh\u01b0ng ch\u01b0a h\u1ec1 c\u00f3 d\u1ea5u hi\u1ec7u \u201cngu\u1ed9i\u201d. C\u00e1ch ch\u01a1i n\u00e0y v\u1eabn \u0111ang thu h\u00fat \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u s\u1ef1 quan t\u00e2m c\u1ee7a c\u00e1c anh em ch\u01a1i l\u00f4 \u0111\u1ec1. \u0110\u00e3 c\u00f3 r\u1ea5t nhi\u1ec1u cao th\u1ee7 trong ngh\u1ec1 t\u00ecm v\u00e0 kh\u00e1m ph\u00e1 ra nh\u1eefng c\u00e1ch ch\u01a1i l\u00f4 3 c\u00e0ng chu\u1ea9n v\u00e0 c\u00f3 t\u1ef7 l\u1ec7 tr\u00fang cao.<\/p>\n
\u0110\u00e1nh \u0111\u1ec1 3 c\u00e0ng \u0103n bao nhi\u00eau?<\/p>\n
Nh\u01b0 c\u00e1c anh em ch\u01a1i l\u00f4 \u0111\u1ec1 \u0111\u00e3 bi\u1ebft, x\u00e1c su\u1ea5t tr\u00fang \u0111\u1ec1 2 con s\u1ed1 l\u00e0 1\/100 th\u00ec x\u00e1c su\u1ea5t tr\u00fang l\u00f4 3 c\u00e0ng c\u00f2n kh\u00f3 h\u01a1n nhi\u1ec1u \u0111\u00f3 l\u00e0 1\/1000. Nh\u00ecn v\u00e0o t\u1ef7 l\u1ec7 n\u00e0y, anh em c\u0169ng th\u1ea5y \u0111\u01b0\u1ee3c l\u00f4 3 c\u00e0ng kh\u00f3 tr\u00fang \u0111\u1ebfn th\u1ebf n\u00e0o. Tuy nhi\u00ean, gi\u00e1 tr\u1ecb gi\u1ea3i th\u01b0\u1edfng n\u1ebfu b\u1ea1n tr\u00fang l\u00e0 r\u1ea5t cao.\u0110\u00e1nh l\u00f4 3 c\u00e0ng l\u00e0 m\u1ed9t c\u00e1ch \u0111\u00e1nh c\u00f3 l\u1ee3i khi b\u1ea1n ch\u1ec9 c\u1ea7n b\u1ecf ra s\u1ed1 v\u1ed1n th\u1ea5p nh\u01b0ng gi\u00e1 tr\u1ecb thu v\u1ec1 l\u1ea1i r\u1ea5t cao. C\u1ee5 th\u1ec3, c\u00e1ch t\u00ednh l\u00f4 3 c\u00e0ng nh\u01b0 sau:<\/p>\n
C\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng truy\u1ec1n th\u1ed1ng<\/p>\n
V\u1edbi \u0111\u1ec1 3 c\u00e0ng truy\u1ec1n th\u1ed1ng, t\u1ef7 l\u1ec7 c\u01b0\u1ee3c s\u1ebd kh\u00e1 cao, th\u00f4ng th\u01b0\u1eddng r\u01a1i v\u00e0o kho\u1ea3ng 1 \u0103n 400 (v\u1ed1n b\u1ecf ra t\u00f9y \u00fd).<\/p>\n
V\u00ed d\u1ee5: Khi anh em b\u1ecf 10.000 \u0111\u1ed3ng ch\u01a1i 3 c\u00e0ng th\u00ec khi tr\u00fang s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c 4.000.000 \u0111\u1ed3ng. V\u1edbi \u0111i\u1ec1u ki\u1ec7n tr\u00fang th\u01b0\u1edfng l\u00e0 3 con s\u1ed1 b\u1ea1n mua ph\u1ea3i tr\u00f9ng v\u1edbi 3 s\u1ed1 trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y h\u00f4m \u0111\u00f3.<\/p>\n
3 c\u00e0ng mi\u1ec1n B\u1eafc \u0111\u01b0\u1ee3c coi l\u00e0 h\u00ecnh th\u1ee9c ch\u01a1i kh\u00f3 tr\u00fang nh\u1ea5t hi\u1ec7n nay v\u1edbi x\u00e1c su\u1ea5t tr\u00fang ch\u1ec9 c\u00f3 0,1%. Gi\u00e1 tr\u1ecb ti\u1ec1n th\u01b0\u1edfng c\u1ee7a n\u00f3 v\u00ec th\u1ebf m\u00e0 c\u0169ng cao ng\u1ea5t ng\u01b0\u1edfng.<\/p>\n
Hi\u1ec7n nay, m\u1ed7i nh\u00e0 c\u00e1i s\u1ebd c\u00f3 m\u1ee9c quy \u0111\u1ecbnh v\u1ec1 ti\u1ec1n th\u01b0\u1edfng kh\u00e1c nhau, nh\u01b0ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 1:400, ngh\u0129a l\u00e0 n\u1ebfu b\u1ea1n th\u1eafng b\u1ea1n s\u1ebd \u0103n \u0111\u01b0\u1ee3c 400 l\u1ea7n s\u1ed1 ti\u1ec1n v\u1ed1n b\u1ea1n b\u1ecf ra.<\/p>\n
V\u1ed1n \u0111\u00e1nh s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh theo \u0111i\u1ec3m, \u0111\u00e0i mi\u1ec1n B\u1eafc v\u00e0 mi\u1ec1n Nam s\u1ebd c\u00f3 c\u00e1ch t\u00ednh kh\u00e1c nhau:<\/p>\n
\u0110\u1ed1i v\u1edbi \u0111\u00e0i mi\u1ec1n B\u1eafc: K\u1ebft qu\u1ea3 s\u1ebd so v\u1edbi 23 gi\u1ea3i (tr\u1eeb gi\u1ea3i 7) v\u00ec th\u1ebf c\u00e1ch t\u00ednh ti\u1ec1n 1 \u0111i\u1ec3m c\u01b0\u1ee3c s\u1ebd l\u00e0 23.000 \u0111\u1ed3ng.<\/p>\n
\u0110\u1ed1i v\u1edbi \u0111\u00e0i mi\u1ec1n Nam v\u00e0 mi\u1ec1n Trung: S\u1ed1 gi\u1ea3i l\u00e0 17 gi\u1ea3i (tr\u1eeb gi\u1ea3i 8) v\u00ec th\u1ebf ti\u1ec1n v\u1ed1n 1 \u0111i\u1ec3m s\u1ebd l\u00e0 17.000 \u0111\u1ed3ng.<\/p>\n
B\u1eaft l\u00f4 \u0111\u1ec1 3 c\u00e0ng theo b\u1ea1c nh\u1edb<\/p>\n
<\/p>\n
V\u1edbi nh\u1eefng anh em trong ngh\u1ec1, b\u1ea1c nh\u1edb \u0111\u00e3 kh\u00f4ng c\u00f2n l\u00e0 kh\u00e1i ni\u1ec7m xa l\u1ea1. V\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, anh em s\u1ebd d\u1ef1a v\u00e0o b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 l\u1ea7n tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 t\u00ednh to\u00e1n xem kh\u1ea3 n\u0103ng cao s\u1ebd v\u1ec1 con s\u1ed1 n\u00e0o.<\/p>\n
Th\u00f4ng th\u01b0\u1eddng nh\u1eefng con s\u1ed1 ra trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 s\u1ebd theo m\u1ed9t quy lu\u1eadt nh\u1ea5t \u0111\u1ecbnh, ng\u01b0\u1eddi n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng quy lu\u1eadt n\u00e0y s\u1ebd c\u00f3 c\u01a1 h\u1ed9i tr\u00fang l\u00f4 3 c\u00e0ng c\u1ef1c k\u1ef3 cao.<\/p>\n
Theo kinh nghi\u1ec7m c\u1ee7a c\u00e1c anh em hay ch\u01a1i theo ph\u01b0\u01a1ng ph\u00e1p b\u1ea1c nh\u1edb, con s\u1ed1 343 \u0111\u00e3 r\u1ea5t l\u00e2u ch\u01b0a v\u1ec1 th\u00ec kh\u1ea3 n\u0103ng cao l\u00e0 5 ng\u00e0y t\u1edbi n\u00f3 s\u1ebd xu\u1ea5t hi\u1ec7n.<\/p>\n
B\u1eaft l\u00f4 3 c\u00e0ng theo gi\u1ea3i 7 v\u00e0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/p>\n
M\u1ed9t c\u00e1ch kh\u00e1c c\u00f3 t\u1ef7 l\u1ec7 tr\u00fang kh\u00e1 cao \u0111\u00f3 l\u00e0 d\u1ef1a v\u00e0o gi\u1ea3i 7 v\u00e0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. V\u1edbi c\u00e1ch n\u00e0y b\u1ea1n c\u00f3 th\u1ec3 gh\u00e9p k\u1ebft qu\u1ea3 c\u1ee7a gi\u1ea3i 7 v\u1edbi m\u1ed9t s\u1ed1 trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n l\u00f4 3 c\u00e0ng v\u1ec1 trong ng\u00e0y ti\u1ebfp theo.<\/p>\n
V\u00ed d\u1ee5: Gi\u1ea3i 7 v\u1ec1 67, 89, 09, 54 v\u00e0 c\u00f3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 65870 th\u00ec ta c\u00f3 s\u1ed1 3 c\u00e0ng l\u00e0 670.<\/p>\n
Gh\u00e9p 3 s\u1ed1 t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y h\u01a1i ph\u1ee9c t\u1ea1p. Anh em s\u1ebd l\u1ea5y k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u1ea7n tr\u01b0\u1edbc, gh\u00e9p t\u1ed5ng 2 con s\u1ed1 \u0111\u1ea7u \u0111\u1ec3 ra l\u00f4 h\u00e0ng tr\u0103m, trong 2 con s\u1ed1 gi\u1eefa ra l\u00f4 h\u00e0ng ch\u1ee5c v\u00e0 t\u1ed5ng 2 con s\u1ed1 cu\u1ed1i l\u00e0 l\u00f4 h\u00e0ng \u0111\u01a1n v\u1ecb.<\/p>\n
H\u00e0ng tr\u0103m: 9 + 8 = 17 (con 7)<\/p>\n
H\u00e0ng ch\u1ee5c: Con 1<\/p>\n
H\u00e0ng \u0111\u01a1n v\u1ecb: 3 + 3 = 6 (con 6)<\/p>\n
B\u1eaft l\u00f4 \u0111\u1ec1 3 c\u00e0ng theo ng\u00e0y ch\u1eb5n l\u1ebb<\/p>\n
\u0110i\u1ec1u ki\u1ec7n \u0111\u1ec3 v\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00f3 l\u00e0 l\u00f4 l\u1ebb s\u1ebd ra v\u00e0o ng\u00e0y l\u1ebb, l\u00f4 ch\u1eb5n s\u1ebd ra v\u00e0o ng\u00e0y ch\u1eb5n.<\/p>\n
V\u00ed d\u1ee5: Ng\u00e0y 16\/3 v\u1ec1 \u0111\u1ec1 46 (\u0111\u00fang \u0111i\u1ec1u ki\u1ec7n), t\u1ed5ng \u0111\u1ec1 10 => ta c\u00f3 c\u00e1c con s\u1ed1 16, 46, 10 gh\u00e9p l\u1ea1i \u0111\u1ec3 c\u00f3 con l\u00f4 3 c\u00e0ng v\u00e0 k\u1ebft qu\u1ea3 17\/3 n\u1ed5 con 416.<\/p>\n
<\/p>\n
V\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, anh em s\u1ebd soi s\u1ed1 \u0111\u1ec1 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y h\u00f4m nay v\u00e0 soi b\u00f3ng c\u1ee7a s\u1ed1 \u0111\u1ec1 \u0111\u00f3 \u0111\u1ec3 \u0111\u00e1nh gi\u1ea3i 3. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n