{"id":17934,"date":"2024-04-15T18:43:08","date_gmt":"2024-04-15T18:43:08","guid":{"rendered":"https:\/\/soicau5101.minhngocxoso.com\/?p=17934"},"modified":"2024-04-15T18:43:08","modified_gmt":"2024-04-15T18:43:08","slug":"lo-de-4-cang-la-gi-cach-danh-de-bien-1-dong-thanh-1-van","status":"publish","type":"post","link":"https:\/\/caulotobachthu.com\/lo-de-4-cang-la-gi-cach-danh-de-bien-1-dong-thanh-1-van\/","title":{"rendered":"l\u00f4 & \u0111\u1ec1 4 c\u00e0ng l\u00e0 g\u00ec? c\u00e1ch \u0111\u00e1nh \u0111\u1ec3 bi\u1ebfn 1 \u0111\u1ed3ng th\u00e0nh 1 v\u1ea1n"},"content":{"rendered":"\n

L\u00f4 4 c\u00e0ng v\u00e0 \u0111\u1ec1 4 c\u00e0ng \u0111\u1ec1u l\u00e0 nh\u1eefng thu\u1eadt ng\u1eef quen thu\u1ed9c trong gi\u1edbi l\u00f4 \u0111\u1ec1, th\u1ec3 hi\u1ec7n c\u00e1ch \u0111\u00e1nh r\u1ea5t chuy\u00ean nghi\u1ec7p. M\u1eb7c d\u00f9 \u0111\u00e2y l\u00e0 hai thu\u1eadt ng\u1eef v\u1edbi \u00fd ngh\u0129a ho\u00e0n to\u00e0n kh\u00e1c nhau nh\u01b0ng v\u1eabn kh\u00f4ng \u00edt anh em b\u1ecb nh\u1ea7m l\u1eabn v\u00e0 l\u1ea7m t\u01b0\u1edfng ch\u00fang l\u00e0 m\u1ed9t. V\u1eady s\u1ef1 kh\u00e1c nhau \u1ea5y nh\u01b0 th\u1ebf n\u00e0o v\u00e0 th\u1ec3 hi\u1ec7n ra sao trong c\u00e1ch \u0111\u00e1nh? \u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n, xin m\u1eddi anh em tham kh\u1ea3o b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y!<\/p>\n\n\n\n

Ph\u00e2n lo\u1ea1i 4 c\u00e0ng<\/h2>\n\n\n\n

R\u00f5 r\u00e0ng, t\u1eeb c\u00e1ch vi\u1ebft c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c \u0111\u00e2y l\u00e0 hai c\u00e1ch \u0111\u00e1nh kh\u00e1c nhau, v\u1edbi t\u00ean g\u1ecdi kh\u00e1c nhau: l\u00f4 4 c\u00e0ng v\u00e0 \u0111\u1ec1 4 c\u00e0ng. Th\u00f4ng tin d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap c\u00e1c b\u1ea1n ph\u00e2n bi\u1ec7t c\u01a1 b\u1ea3n 2 kh\u00e1i ni\u1ec7m n\u00e0y.<\/p>\n\n\n\n

\u0110\u1ec1 4 c\u00e0ng l\u00e0 g\u00ec?<\/h3>\n\n\n\n

\u0110\u1ec1 4 c\u00e0ng l\u00e0 m\u1ed9t c\u00e1ch \u0111\u00e1nh m\u00e0 d\u00e2n ch\u01a1i \u0111\u1ec1 c\u1ea7n ch\u1ecdn ra m\u1ed9t con s\u1ed1 c\u00f3 4 ch\u1eef s\u1ed1 n\u1eb1m trong kho\u1ea3ng t\u1eeb 0000 \u0111\u1ebfn 9999. Ng\u01b0\u1eddi chi\u1ebfn th\u1eafng ch\u00ednh l\u00e0 ng\u01b0\u1eddi c\u00f3 con s\u1ed1 n\u00e0y v\u1edbi \u0111\u1ea7y \u0111\u1ee7 ch\u1eef s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/p>\n\n\n\n

V\u00ed d\u1ee5 th\u1ef1c t\u1ebf nh\u01b0 sau: N\u1ebfu gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 85637 th\u00ec ng\u01b0\u1eddi d\u1ef1 \u0111o\u00e1n con s\u1ed1 5637 l\u00e0 ng\u01b0\u1eddi chi\u1ebfn th\u1eafng. R\u1ea5t d\u1ec5 hi\u1ec3u ph\u1ea3i kh\u00f4ng n\u00e0o?<\/p>\n\n\n\n

L\u00f4 4 c\u00e0ng l\u00e0 g\u00ec?<\/h3>\n\n\n\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ec1 4 c\u00e0ng, v\u1edbi l\u00f4 4 c\u00e0ng, ng\u01b0\u1eddi ch\u01a1i c\u0169ng ph\u1ea3i ch\u1ecdn ra m\u1ed9t con s\u1ed1 c\u00f3 4 ch\u1eef s\u1ed1 t\u1eeb 0000 \u0111\u1ebfn 9999. Tuy nhi\u00ean, c\u00f3 th\u1ec3 n\u00f3i l\u00e0 t\u1ec9 l\u1ec7 tr\u00fang lo cao h\u01a1n khi ch\u1ec9 c\u1ea7n con s\u1ed1 \u0111\u01b0\u1ee3c ch\u1ecdn tr\u00f9ng v\u1edbi 4 ch\u1eef s\u1ed1 cu\u1ed1i c\u1ee7a m\u1ed9t trong t\u1ea5t c\u1ea3 c\u00e1c  gi\u1ea3i c\u1ee7a k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 l\u00e0 \u0111\u01b0\u1ee3c (tr\u1eeb gi\u1ea3i 7 v\u00e0 gi\u1ea3i 8).<\/p>\n\n\n\n

4 c\u00e0ng mi\u1ec1n B\u1eafc \u0103n bao nhi\u00eau?<\/h2>\n\n\n\n

4 c\u00e0ng c\u0169ng c\u00f3 nhi\u1ec1u lo\u1ea1i, 4 c\u00e0ng mi\u1ec1n B\u1eafc, mi\u1ec1n Trung, mi\u1ec1n Nam. Nhi\u1ec1u anh em trong gi\u1edbi l\u00f4 \u0111\u1ec1 th\u1eafc m\u0103c 4 c\u00e0ng mi\u1ec1n B\u1eafc \u0103n bao nhi\u00eau th\u00ec h\u00e3y \u0111\u1ecdc k\u1ef9 th\u00f4ng tin d\u01b0\u1edbi \u0111\u00e2y nh\u00e9!<\/p>\n\n\n\n

\u0110\u1ec1 4 c\u00e0ng 1 \u0103n bao nhi\u00eau?<\/h3>\n\n\n\n

Ng\u01b0\u1eddi x\u01b0a c\u00f3 c\u00e2u, \u0111\u1ed3ng ti\u1ec1n \u0111i li\u1ec1n v\u1edbi kh\u00fac ru\u1ed9t. M\u00e0 v\u1edbi d\u00e2n l\u00f4 \u0111\u1ec1 chuy\u00ean nghi\u1ec7p, ti\u1ec1n nong lu\u00f4n l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng, m\u1ed7i \u0111\u1ed3ng ti\u1ec1n \u0111i, ti\u1ec1n l\u1ea1i \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 c\u1ea9n th\u1eadn. T\u00ednh \u0111\u1ec3 l\u00e0m g\u00ec? T\u00ednh ti\u1ec1n chi, ti\u1ec1n thu gi\u00fap ng\u01b0\u1eddi ch\u01a1i ph\u00e2n t\u00edch hi\u1ec7u qu\u1ea3 chi ti\u1ec1n c\u1ee7a m\u00ecnh, ph\u00e2n t\u00edch \u0111\u1ed9 hi\u1ec7u qu\u1ea3 c\u1ee7a chi\u1ebfn thu\u1eadt, l\u1ed1i ch\u01a1i.<\/p>\n\n\n\n

Ch\u1eafc h\u1eb3n nh\u1eefng ai \u0111\u00e3 tham gia ch\u01a1i \u0111\u1ec1 \u0111\u1ec1u c\u00f3 th\u1eafc m\u1eafc \u0111\u1ec1 4 c\u00e0ng \u0103n bao nhi\u00eau. V\u1edbi xu th\u1ebf chung hi\u1ec7n nay, \u0111\u1ec1 4 c\u00e0ng ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ch\u01a1i r\u1ed9ng r\u00e3i tr\u00ean n\u1ec1n t\u1ea3ng internet n\u00ean t\u1ec9 l\u1ec7 \u0103n c\u1ee7a c\u00e1c nh\u00e0 c\u00e1i c\u0169ng ng\u00e0y c\u00e0ng linh ho\u1ea1t v\u00e0 \u0111a d\u1ea1ng, kh\u00f4ng c\u00f3 m\u1ed9t t\u1ec9 l\u1ec7 c\u1ed1 \u0111\u1ecbnh n\u00e0o. Th\u00f4ng th\u01b0\u1eddng, t\u1ec9 l\u1ec7 \u0103n c\u1ee7a \u0111\u1ec1 4 c\u00e0ng l\u00e0 1:8880. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n b\u1ecf ra 1000 s\u1ebd thu v\u1ec1 8.880.000 v\u00e0 c\u1ee9 th\u1ebf nh\u00e2n l\u00ean s\u1ed1 ti\u1ec1n t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ed1 v\u1ed1n b\u1ea1n b\u1ecf ra.<\/p>\n\n\n\n

L\u00f4 4 c\u00e0ng \u0103n bao nhi\u00eau?<\/h3>\n\n\n\n

B\u00ean c\u1ea1nh c\u00e2u h\u1ecfi \u0111\u1ec1 4 c\u00e0ng \u0103n bao nhi\u00eau th\u00ec ch\u1eafc h\u1eb3n \u0111i\u1ec1u m\u00e0 anh em quan t\u00e2m kh\u00f4ng th\u1ec3 kh\u00f4ng k\u1ec3 \u0111\u1ebfn ti\u1ec1n \u0103n con l\u00f4 4 c\u00e0ng l\u00e0 bao nhi\u00eau? C\u00e1c b\u1ea1n c\u00f3 th\u1ec3 y\u00ean t\u00e2m v\u00ec c\u00e1ch \u0111\u00e1nh n\u00e0y ch\u1eafc ch\u1eafn s\u1ebd c\u00f3 t\u1ef7 l\u1ec7 ti\u1ec1n th\u01b0\u1edfng r\u1ea5t cao v\u00e0 h\u1ea5p d\u1eabn, nh\u01b0ng \u0111\u1ed5i l\u1ea1i l\u00e0 x\u00e1c su\u1ea5t tr\u00fang c\u0169ng kh\u00f4ng h\u1ec1 d\u1ec5 d\u00e0ng. T\u1ea5t nhi\u00ean r\u1ed3i, kh\u00f4ng c\u00f3 g\u00ec l\u00e0 thu\u1eadn c\u1ea3 tr\u0103m \u0111\u01b0\u1eddng m\u00e0.<\/p>\n\n\n\n

N\u1ebfu nh\u01b0 t\u1ef7 l\u1ec7 \u0103n \u0111\u1ec1 4 c\u00e0ng l\u00e0 0.01%, \u0111\u1ec1 3 c\u00e0ng l\u00e0 0.1%, th\u00ec \u0103n l\u00f4 4 s\u1ebd r\u01a1i v\u00e0o kho\u1ea3ng g\u1ea7n 0.2%. T\u00f9y nh\u00e0 c\u00e1i m\u00e0 t\u1ef7 l\u1ec7 \u0103n l\u00f4 kh\u00e1c nhau v\u00ec m\u1ed7i m\u1ed9t nh\u00e0 c\u00e1i\/ch\u1ee7 l\u00f4 \u0111\u1ec1 s\u1ebd quy \u0111\u1ecbnh ti\u1ec1n \u0103n l\u00f4 4 kh\u00e1c nhau. Th\u00f4ng th\u01b0\u1eddng th\u00ec t\u1ef7 l\u1ec7 n\u00e0y r\u01a1i v\u00e0o kho\u1ea3ng 1 \u0103n 8880 ho\u1eb7c 1 \u0103n 9000, v\u1edbi s\u1ed1 ti\u1ec1n v\u1ed1n b\u1ecf ra ban \u0111\u1ea7u th\u1ea5p nh\u1ea5t ch\u1ec9 l\u00e0 1.000 vn\u0111. Nh\u00ecn chung, s\u1ed1 ti\u1ec1n thu l\u1ea1i t\u1eeb vi\u1ec7c \u0111\u00e1nh l\u00f4 4 c\u00e0ng c\u0169ng kh\u00e1 l\u00e0 h\u1eddi.<\/p>\n\n\n\n

T\u1ed5ng h\u1ee3p c\u00e1ch b\u1eaft 4 c\u00e0ng hi\u1ec7u qu\u1ea3 nh\u1ea5t<\/h2>\n\n\n\n

D\u00f9 4 c\u00e0ng hay c\u00e1ch \u0111\u00e1nh n\u00e0o thi v\u1eabn ph\u1ea3i c\u00f3 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 thu l\u1eddi hi\u1ec7u qu\u1ea3, gi\u1ed1ng nh\u01b0 vi\u1ec7c h\u1ecdc \u1ea5y anh em \u1ea1, quan tr\u1ecdng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 n\u00e0o. Ngay sau \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd chia s\u1ebb nh\u1eefng c\u00e1ch b\u1eaft 4 c\u00e0ng hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ea3m b\u1ea3o th\u1eafng cho c\u00e1c b\u1ea1n.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 4 c\u00e0ng<\/h3>\n\n\n\n

N\u1ebfu nh\u01b0 t\u1ef7 l\u1ec7 \u0111o\u00e1n tr\u00fang c\u1ee7a ch\u01a1i \u0111\u1ec1 truy\u1ec1n th\u1ed1ng l\u00e0 1\/100, \u0111\u1ec1 3 c\u00e0ng kh\u00f3 h\u01a1n l\u00e0 1\/1000, th\u00ec \u0111\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c con \u0111\u1ec1 4 c\u00e0ng s\u1ebd l\u00e0 1\/10000 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 0.01%. T\u1ec9 l\u1ec7 tr\u00fang \u0111\u1ec1 4 c\u00e0ng th\u1ea5p c\u0169ng l\u00e0 \u0111i\u1ec1u d\u1ec5 hi\u1ec3u b\u1edfi m\u1ee9c ti\u1ec1n th\u01b0\u1edfng v\u00f4 c\u00f9ng h\u1ea5p d\u1eabn m\u00e0 c\u00e1c nh\u00e0 c\u00e1i \u0111\u01b0a ra. Ch\u00ednh v\u00ec l\u00fd do \u0111\u00f3, d\u00e2n l\u00f4 \u0111\u1ec1 c\u1ea7n ph\u1ea3i c\u00f3 cho m\u00ecnh nh\u1eefng b\u00ed quy\u1ebft ho\u1eb7c kinh nghi\u1ec7m \u0111\u1ec3 c\u00f3 th\u1ec3 g\u1eafn b\u00f3 v\u1edbi nh\u1eefng con s\u1ed1 l\u00e2u n\u0103m ch\u1ee9 kh\u00f4ng th\u1ec3 n\u00e0o ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o c\u1ea3m t\u00ednh \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p b\u1eaft t\u1ed5ng \u0111\u1ec1 4 ng\u00e0y<\/h4>\n\n\n\n

B\u1eaft \u0111\u1ec1 4 t\u1ed5ng l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch b\u1eaft c\u00e0ng 4 chu\u1ea9n x\u00e1c \u0111\u01b0\u1ee3c m\u1ed9t d\u00e2n th\u1ee7 mi\u1ec1n B\u1eafc ch\u01a1i v\u00e0 chi\u1ebfn th\u1eafng \u0111\u1ec1 4 c\u00e0ng 3 l\u1ea7n li\u00ean ti\u1ebfp. C\u00e1ch \u0111\u00e1nh n\u00e0y \u0111\u01b0\u1ee3c d\u00e2n l\u00f4 \u0111\u1ec1 c\u00f3 ti\u1ebfng truy\u1ec1n tai nhau r\u1ea5t nhi\u1ec1u v\u00e0 t\u1ea5t nhi\u00ean r\u1eb1ng \u0111\u00e2y l\u00e0 m\u1ed9t c\u00e1ch \u0111\u00e1nh hi\u1ec7u qu\u1ea3 th\u00ec m\u1edbi \u0111\u01b0\u1ee3c lan r\u1ed9ng \u0111\u1ebfn nh\u01b0 v\u1eady. C\u1ee5 th\u1ec3 nh\u01b0 n\u00e0o?<\/p>\n\n\n\n

T\u1ed5ng \u0111\u1ec1 (ng\u00e0y 1 + ng\u00e0y 2 + ng\u00e0y 3 + ng\u00e0y 4) => CON \u0110\u1ec0 4 C\u00c0NG.<\/p>\n\n\n\n

V\u00ed d\u1ee5: Anh em mu\u1ed1n \u0111\u00e1nh \u0111\u1ec1 4 c\u00e0ng ng\u00e0y th\u1ee9 7, anh em xem th\u1ed1ng k\u00ea \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t c\u1ee7a c\u00e1c ng\u00e0y v\u1ec1 tr\u01b0\u1edbc:<\/p>\n\n\n\n