Chuy\u00ean gia ch\u1ed1t s\u1ed1 song th\u1ee7 3 c\u00e0ng h\u00f4m nay si\u00eau chu\u1ea9n<\/mark><\/a><\/strong><\/p>\r\n\r\n\r\n\r\nC\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng theo ng\u00e0y ch\u1eb5n l\u1ebb<\/h2>\r\n\r\n\r\n\r\n
Ph\u01b0\u01a1ng ph\u00e1p soi ba c\u00e0ng<\/strong> n\u00e0y \u00e1p d\u1ee5ng nh\u01b0 sau: Ki\u1ec3m tra l\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7 v\u1ec1 ng\u00e0y h\u00f4m \u0111\u00f3 l\u00e0 bao nhi\u00eau, n\u1ebfu l\u00e0 ng\u00e0y l\u1ebb ra \u0111\u1ec1 l\u00f4 b\u1ea1ch th\u1ee7 l\u1ebb th\u00ec gh\u00e9p t\u1ed5ng \u0111\u1ec1 v\u1edbi m\u1ed9t trong 2 c\u1ea7u b\u1ea1ch th\u1ee7 v\u00e0 gh\u00e9p v\u1edbi ng\u00e0y \u0111\u1ec3 l\u00e0m c\u1ea7u 3 c\u00e0ng h\u00f4m nay<\/strong>. T\u01b0\u01a1ng t\u1ef1 \u00e1p d\u1ee5ng v\u1edbi ng\u00e0y ch\u1eb5n.
G\u1ee3i \u00fd: Ng\u00e0y: 23\/11\/2024 c\u00f3 \u0111\u1ec1 v\u1ec1 43, t\u1ed5ng \u0111\u1ec1 l\u00e0 7, gh\u00e9p l\u1ea1i ta c\u00f3 c\u00e1c c\u1ea7u 3 c\u00e0ng<\/strong> 742, 741, 732, 731.
VD c\u1ee5 th\u1ec3: Ng\u00e0y : 23\/11\/2024 l\u00e0 ng\u00e0y ch\u1eb5n, \u0111\u1ec1 v\u1ec1 ch\u1eb5n l\u00e0 48, t\u1ed5ng \u0111\u1ec1 l\u00e0 12, ta c\u00f3 c\u00e1c c\u1ea7u 340, 380, 344, 384, ng\u00e0y 5\/7 v\u1ec1 340.<\/p>\r\n\r\n\r\n\r\nL\u00f4 \u0111\u1ec1 3 c\u00e0ng l\u00e0 g\u00ec?<\/h2>\r\n\r\n\r\n\r\n
Kh\u00e1i ni\u1ec7m 3 c\u00e0ng trong l\u00f4 \u0111\u1ec1<\/strong>: nh\u01b0 l\u00f4 \u0111\u1ec1 b\u00ecnh th\u01b0\u1eddng ch\u00fang ta th\u01b0\u1eddng d\u1ef1 \u0111o\u00e1n 2 s\u1ed1 cu\u1ed1i c\u1ee7a c\u00e1c gi\u1ea3i \u0111\u01b0\u1ee3c m\u1edf th\u01b0\u1edfng th\u00ec 3 c\u00e0ng<\/strong> l\u00e0 d\u1ef1 \u0111o\u00e1n 3 s\u1ed1 cu\u1ed1i c\u1ee7a c\u00e1c gi\u1ea3i \u0111\u01b0\u1ee3c m\u1edf th\u01b0\u1edfng c\u1ee7a x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc, c\u00e1c t\u1ec9nh mi\u1ec1n Trung v\u00e0 mi\u1ec1n Nam.
L\u00f4 \u0111\u1ec1 3 c\u00e0ng<\/strong> hi\u1ec7n c\u0169ng \u0111\u01b0\u1ee3c chia th\u00e0nh 2 d\u1ea1ng l\u00e0 l\u00f4 3 c\u00e0ng v\u00e0 \u0111\u1ec1 3 c\u00e0ng: \u0110\u1ec1 3 c\u00e0ng<\/strong> (hay c\u00f2n g\u1ecdi l\u00e0 \u0111\u1ec1 3 ch\u00e2n): Ng\u01b0\u1eddi ch\u01a1i d\u1ef1 \u0111o\u00e1n 3 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 trong ng\u00e0y h\u00f4m \u0111\u00f3, x\u00e1c su\u1ea5t tr\u00fang l\u00e0 1\/1000, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 0.1%.
L\u00f4 3 c\u00e0ng<\/strong>: c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u01a1i l\u00f4 th\u00f4ng th\u01b0\u1edfng, ch\u1ec9 kh\u00e1c l\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u1ea7n \u0111o\u00e1n 3 s\u1ed1 cu\u1ed1i v\u1ec1 c\u1ee7a c\u00e1c gi\u1ea3i trong b\u1ea3ng k\u1ebft qu\u1ea3. V\u00ec v\u1eady ch\u01a1i l\u00f4 3 c\u00e0ng c\u00f3 t\u1ef7 l\u1ec7 tr\u00fang cao h\u01a1n \u0111\u1ec1 3 c\u00e0ng.
Tuy ch\u01a1i \u0111\u1ec1 3 c\u00e0ng<\/strong> kh\u00f4ng c\u00f3 t\u1ef7 l\u1ec7 tr\u00fang cao, nh\u01b0ng n\u1ebfu ng\u01b0\u1eddi ch\u01a1i d\u1ef1a v\u00e0o nh\u1eefng d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng mi\u1ec1n B\u1eafc<\/strong> h\u00f4m nay th\u00ec s\u1ebd gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng tr\u00fang th\u01b0\u1edfng c\u1ee7a ng\u01b0\u1eddi ch\u01a1i l\u00ean cao h\u01a1n.<\/p>\r\n\r\n\r\n\r\n\u0110\u00e1nh \u0111\u1ec1 3 c\u00e0ng \u0103n bao nhi\u00eau? C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng mi\u1ec1n B\u1eafc<\/h2>\r\n\r\n\r\n\r\n
C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng<\/strong> ch\u00ednh x\u00e1c nh\u1ea5t h\u00f4m nay, d\u1ec5 \u0103n, d\u1ec5 tr\u00fang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch b\u1eaft c\u1ea7u l\u00f4, soi c\u1ea7u 3 c\u00e0ng mi\u1ec5n ph\u00ed<\/strong> c\u00f3 x\u00e1c su\u1ea5t tr\u00fang cao d\u1ef1a theo kinh nghi\u1ec7m c\u1ee7a nh\u1eefng ng\u01b0\u1eddi ch\u01a1i chuy\u00ean nghi\u1ec7p.
Hi\u1ec3n nhi\u00ean, \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea tr\u00f2 ch\u01a1i x\u00e1c su\u1ea5t th\u00ec c\u00e0ng nhi\u1ec1u th\u1eed th\u00e1ch th\u00ec c\u00e0ng c\u00f3 h\u1ea5p d\u1eabn, ch\u00ednh v\u00ec th\u1ebf, nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 l\u00e0 cao th\u1ee7 trong l\u00f4 \u0111\u1ec1 th\u00ec soi c\u1ea7u \u0111\u1ec1 3 c\u00e0ng<\/strong> v\u1edbi 2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u0169ng kh\u00f4ng c\u00f2n \u0111\u1ee7 k\u00edch th\u00edch n\u1eefa, do v\u1eady nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 n\u00e2ng cao \u0111\u1ed9 kh\u00f3 l\u00ean b\u1eb1ng c\u00e1ch ch\u01a1i 3 c\u00e0ng.
Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u hi\u1ec3u bi\u1ebft r\u00f5 v\u1ec1 3 c\u00e0ng<\/strong> v\u00e0 c\u00e1ch ch\u01a1i c\u1ee7a n\u00f3, ch\u00ednh v\u00ec th\u1ebf, trong b\u00e0i n\u00e0y ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u cho b\u1ea1n chi ti\u1ebft v\u1ec1 tr\u00f2 ch\u01a1i n\u00e0y.<\/p>\r\n\r\n\r\n\r\n\u0110\u1ec1 3 c\u00e0ng l\u00e0 g\u00ec?<\/h2>\r\n\r\n\r\n\r\n
\u0110\u1ec1 3 c\u00e0ng<\/strong> l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c \u0111\u1eb7t c\u01b0\u1ee3c trong x\u1ed5 s\u1ed1, ph\u1ed5 bi\u1ebfn \u1edf mi\u1ec1n B\u1eafc v\u00e0 mi\u1ec1n Trung Vi\u1ec7t Nam. Trong \u0111\u1ec1 3 c\u00e0ng, ng\u01b0\u1eddi ch\u01a1i \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ch\u1ecdn 3 s\u1ed1 t\u1eeb 000 \u0111\u1ebfn 999. K\u1ebft qu\u1ea3 c\u1ee7a \u0111\u1ec1 3 c\u00e0ng<\/strong> \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi ba s\u1ed1 \u0111\u01b0\u1ee3c x\u1ed5 s\u1ed1 m\u1ed7i ng\u00e0y.
Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 \u0111\u1eb7t c\u01b0\u1ee3c theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1eb7t c\u01b0\u1ee3c s\u1ed1 ch\u00ednh x\u00e1c theo \u0111\u00fang th\u1ee9 t\u1ef1, \u0111\u1eb7t c\u01b0\u1ee3c c\u00f3 th\u1ee9 t\u1ef1 kh\u00f4ng quan tr\u1ecdng, ho\u1eb7c \u0111\u1eb7t c\u01b0\u1ee3c theo d\u1ea1ng ch\u1eb5n\/l\u1ebb, l\u1edbn\/nh\u1ecf c\u1ee7a t\u1ed5ng \u0111i\u1ec3m ba s\u1ed1 \u0111\u00f3. \u0110\u00e1nh \u0111\u1ec1 3 c\u00e0ng \u0103n bao nhi\u00eau<\/strong>?
T\u1ef7 l\u1ec7 tr\u1ea3 th\u01b0\u1edfng c\u1ee7a \u0111\u1ec1 3 c\u00e0ng mi\u1ec1n b\u1eafc<\/strong> l\u00e0 1 \u0103n 835 b\u1ea1n nh\u00e9.
V\u00e0 t\u1ef7 l\u1ec7 chi\u1ebfn th\u1eafng c\u1ee7a \u0111\u1ec1 3 c\u00e0ng l\u00e0 1:1000.
T\u1ef7 l\u1ec7 tr\u1ea3 th\u01b0\u1edfng c\u1ee7a \u0111\u1ec1 3 c\u00e0ng mi\u1ec1n trung<\/strong> v\u00e0 3 c\u00e0ng mi\u1ec1n nam<\/strong>
3 c\u00e0ng \u0111\u1ea7u t\u1ef7 l\u1ec7 l\u00e0 1 \u0103n 835
3 c\u00e0ng \u0111u\u00f4i t\u1ef7 l\u1ec7 l\u00e0 1 \u0103n 835
3 c\u00e0ng \u0111\u1ea7u \u2013 \u0111u\u00f4i l\u00e0 1 \u0103n 1670
(1 \u0111i\u1ec3m 3 c\u00e0ng \u0111\u1ea7u \u0111u\u00f4i c\u00f3 gi\u00e1 2 ngh\u00ecn
C\u00e1ch ch\u01a1i \u0111\u1ec1 3 c\u00e0ng<\/strong><\/p>\r\n\r\n\r\n\r\n\u0110\u00e1nh 3 c\u00e0ng theo b\u00f3ng t\u1ed5ng<\/h2>\r\n\r\n\r\n\r\n
M\u1ed9t trong nh\u1eefng m\u1eb9o t\u00ednh \u0111\u1ec1 3 c\u00e0ng<\/strong> hi\u1ec7u qu\u1ea3 ch\u00ednh l\u00e0 d\u1ef1a theo b\u00f3ng t\u1ed5ng c\u1ee7a k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1. M\u1ed7i s\u1ed1 \u0111\u1ec1u c\u00f3 b\u00f3ng d\u01b0\u01a1ng v\u00e0 b\u00f3ng \u00e2m, v\u00ed d\u1ee5 nh\u01b0 b\u1ea1ch th\u1ee7 l\u00e0 1 + 2 = 3, b\u00f3ng c\u1ee7a 3 = 8 = 6. L\u00fac n\u00e0y, ng\u01b0\u1eddi ch\u01a1i s\u1ebd c\u00f3 \u0111\u1ec1 3 c\u00e0ng l\u00e0 312, 812 v\u00e0 612.
S\u1ed1 1 c\u00f3 b\u00f3ng d\u01b0\u01a1ng l\u00e0 s\u1ed1 6, b\u00f3ng \u00e2m l\u00e0 4
S\u1ed1 2 c\u00f3 b\u00f3ng d\u01b0\u01a1ng l\u00e0 7, b\u00f3ng \u00e2m l\u00e0 9
S\u1ed1 3 c\u00f3 b\u00f3ng d\u01b0\u01a1ng l\u00e0 8, b\u00f3ng \u00e2m l\u00e0 6
S\u1ed1 4 c\u00f3 b\u00f3ng d\u01b0\u01a1ng l\u00e0 9
S\u1ed1 5 c\u00f3 b\u00f3ng d\u01b0\u01a1ng l\u00e0 0, b\u00f3ng \u00e2m l\u00e0 8
S\u1ed1 0 c\u00f3 b\u00f3ng \u00e2m l\u00e0 7<\/p>\r\n","protected":false},"excerpt":{"rendered":"T\u00ednh ti\u1ec1n \u0103n 3 c\u00e0ng \u2013 \u0110\u00e1nh \u0111\u1ec1 3 c\u00e0ng 1 \u0111i\u1ec3m \u0111\u01b0\u1ee3c bao nhi\u00eau ng\u00e0y 23\/11\/2024 Ch\u01a1i c\u00f3 \u0111\u1ed9 kh\u00f3 c\u00e0ng cao th\u00ec t\u1ef7 l\u1ec7 \u0111\u1ed5i th\u01b0\u1edfng n\u1ebfu tr\u00fang s\u1ebd c\u00e0ng cao. \u0110i\u1ec1u n\u00e0y t\u1ea1o cho ng\u01b0\u1eddi ch\u01a1i s\u1ef1 h\u1ee9ng th\u00fa khi ch\u01a1i. V\u1eady v\u1edbi \u0111\u1ec1 3 c\u00e0ng \u0103n bao nhi\u00eau: – T\u1ef7 l\u1ec7 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"close","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"yoast_head":"\n
t\u00ednh ti\u1ec1n \u0103n 3 c\u00e0ng \u2013 \u0110\u00e1nh \u0111\u1ec1 3 c\u00e0ng 1 \u0111i\u1ec3m \u0103n bao nhi\u00eau ng\u00e0y 23\/11\/2024<\/title>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\t\n\t\n\t\n