soi c\u1ea7u 3 c\u00e0ng mi\u1ec1n Trung<\/strong>, mi\u1ec1n Nam, mi\u1ec1n B\u1eafc.<\/p>\nL\u00fd do l\u00f4 \u0111\u1ec1 3 c\u00e0ng kh\u00f3 h\u01a1n so v\u1edbi l\u00f4 b\u00ecnh th\u01b0\u1eddng:<\/b><\/h3>\n
Nh\u01b0 v\u1eady th\u00ec khi \u0111\u00e1nh 3 c\u00e0ng s\u1ebd kh\u00f3 h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi \u0111\u00e1nh l\u00f4 \u0111\u1ec1 b\u00ecnh th\u01b0\u1eddng v\u00ec 2 l\u00ed do:<\/p>\n
L\u00ed do th\u1ee9 nh\u1ea5t \u0111\u00f3 l\u00e0 b\u1ea1n s\u1ebd ph\u1ea3i d\u1ef1 \u0111o\u00e1n tr\u00fang nhi\u1ec1u ch\u1eef s\u1ed1 h\u01a1n so v\u1edbi \u0111\u00e1nh l\u00f4 \u0111\u1ec1 b\u00ecnh th\u01b0\u1eddng;<\/p>\n
L\u00ed do th\u1ee9 2 \u0111\u00f3 l\u00e0 s\u1ed1 gi\u1ea3i l\u00f4 s\u1ebd \u00edt h\u01a1n v\u00ec ch\u00fang ta s\u1ebd kh\u00f4ng c\u00f2n gi\u1ea3i 7 XSMB hay gi\u1ea3i 8 c\u1ee7a XSMN.<\/p>\n
T\u1ef7 l\u1ec7 \u0103n chia khi \u0111\u00e1nh 3 c\u00e0ng:<\/b><\/h3>\n
V\u00ec c\u00e1ch \u0111\u00e1nh kh\u00f3 h\u01a1n n\u00ean t\u1ec9 l\u1ec7 \u0103n chia khi \u0111\u00e1nh 3 c\u00e0ng c\u0169ng kh\u00e1c so v\u1edbi \u0111\u00e1nh l\u00f4 \u0111\u1ec1 th\u00f4ng th\u01b0\u1eddng.<\/p>\n
T\u1ec9 l\u1ec7 \u0103n chia c\u1ee7a l\u00f4 \u0111\u1ec1 3 c\u00e0ng dao \u0111\u1ed9ng t\u1eeb 1 \u0103n 400 \u2013 1 \u0103n 700, ngh\u0129a l\u00e0 n\u1ebfu b\u1ea1n \u0111\u00e1nh 100 ngh\u00ecn th\u00ec s\u1ebd \u0103n \u0111\u01b0\u1ee3c 40 \u2013 70 tri\u1ec7u n\u1ebfu tr\u00fang gi\u1ea3i. S\u1ed1 ti\u1ec1n b\u1ecf \u0111\u1ec3 \u0111\u00e1nh 1 \u0111i\u1ec3m l\u00f4 \u0111\u1ec1 3 c\u00e0ng s\u1ebd t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng khu v\u1ef1c song s\u1ebd cao h\u01a1n khi \u0111\u00e1nh 1 \u0111i\u1ec3m l\u00f4 \u0111\u1ec1 th\u00f4ng th\u01b0\u1eddng.<\/p>\n
B\u00ed k\u00edp d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng chu\u1ea9n x\u00e1c 100%<\/b><\/h2>\nPh\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng theo b\u1ea1ch th\u1ee7 l\u00f4<\/b><\/h3>\n
\u0110\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng<\/b> <\/b>n\u00e0y ch\u00fang ta s\u1ebd th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\nB\u01b0\u1edbc 1<\/b><\/h4>\n
Tr\u01b0\u1edbc ti\u00ean b\u1ea1n t\u00ednh b\u1ea1ch th\u1ee7 l\u00f4 theo nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u m\u00e0 b\u1ea1n hay \u00e1p d\u1ee5ng.<\/p>\n
B\u01b0\u1edbc 2<\/b><\/h4>\n
Sau khi t\u00ednh \u0111\u01b0\u1ee3c b\u1ea1ch th\u1ee7 l\u00f4, b\u1ea1n s\u1ebd t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a con b\u1ea1ch th\u1ee7 b\u1ea1n v\u1eeba ch\u1ecdn.<\/p>\n
B\u01b0\u1edbc 3<\/b><\/h4>\n
B\u1ea1n s\u1ebd gh\u00e9p t\u1ed5ng \u0111\u00f3 v\u1edbi con b\u1ea1ch th\u1ee7 \u0111\u1ec3 t\u1ea1o th\u00e0nh l\u00f4 3 c\u00e0ng chu\u1ea9n x\u00e1c.<\/p>\n
V\u00ed d\u1ee5, h\u00f4m nay b\u1ea1n t\u00ednh \u0111\u01b0\u1ee3c con b\u1ea1ch th\u1ee7 l\u00f4 l\u00e0 22, nh\u01b0 v\u1eady ta s\u1ebd c\u00f3 t\u1ed5ng l\u00e0 2+2=4. Nh\u01b0 v\u1eady ta s\u1ebd c\u00f3 con l\u00f4 3 c\u00e0ng l\u00e0 422.<\/p>\n
C\u00e1ch d\u1ef1 \u0111o\u00e1n 3 c\u00e0ng ch\u00ednh x\u00e1c th\u00f4ng qua \u0111\u1ec1 r\u01a1i<\/b><\/h3>\n
C\u00e1ch \u0111\u00e1nh n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n gh\u00e9p con \u0111\u1ec1 v\u1ec1 h\u00f4m tr\u01b0\u1edbc v\u1edbi th\u1ee9 c\u1ee7a h\u00f4m b\u1ea1n \u0111\u00e1nh \u0111\u1ec3 t\u1ea1o th\u00e0nh l\u00f4 3 c\u00e0ng.<\/p>\n
V\u00ed d\u1ee5, h\u00f4m nay l\u00e0 th\u1ee9 3 v\u00e0 \u0111\u1ec1 v\u1ec1 ng\u00e0y h\u00f4m qua l\u00e0 con 09. Nh\u01b0 v\u1eady ch\u00fang ta s\u1ebd c\u00f3 con l\u00f4 3 c\u00e0ng cho h\u00f4m nay l\u00e0 309.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh 3 c\u00e0ng theo b\u00f3ng \u00e2m d\u01b0\u01a1ng<\/b><\/h3>\n
<\/p>\n
Ta c\u00f3 b\u1ed9 s\u1ed1 b\u00f3ng \u00e2m nh\u01b0 sau:<\/p>\n