{"id":18168,"date":"2024-04-24T11:42:49","date_gmt":"2024-04-24T11:42:49","guid":{"rendered":"https:\/\/soicau5052.minhngocxoso.com\/?p=18168"},"modified":"2024-04-24T11:42:49","modified_gmt":"2024-04-24T11:42:49","slug":"bat-mi-cach-nghien-cuu-lo-de-chinh-xac-nhat","status":"publish","type":"post","link":"https:\/\/dudoanxosomientrung.com\/bat-mi-cach-nghien-cuu-lo-de-chinh-xac-nhat\/","title":{"rendered":"b\u1eadt m\u00ed c\u00e1ch nghi\u00ean c\u1ee9u l\u00f4 \u0111\u1ec1 ch\u00ednh x\u00e1c nh\u1ea5t"},"content":{"rendered":"
<\/p>\n\n\n
C\u00e1ch ghi s\u1ed1 l\u00f4 \u0111\u1ec1 l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt \u0111\u1ea7u ti\u00ean m\u00e0 ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 v\u00e0 c\u1ea3 ng\u01b0\u1eddi b\u00e1n l\u00f4 \u0111\u1ec1 \u0111\u1ec1u ph\u1ea3i h\u1ecdc \u0111\u1ea7u ti\u00ean. Nghe th\u00ec \u0111\u01a1n gi\u1ea3n nh\u01b0ng b\u1ea1n c\u1ee9 t\u01b0\u1edfng t\u01b0\u1ee3ng ra m\u1ed9t trang s\u00e1ch chi chit c\u00e1c con s\u1ed1 th\u00ec r\u1ea5t kh\u00f3 \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ednh to\u00e1n v\u00e0 d\u1ec5 g\u00e2y nh\u1ea7m l\u1eabn.<\/p>\n\n\n\n
Ch\u00ednh v\u00ec th\u1ebf h\u1ecdc c\u00e1ch ghi s\u1ed1 \u0111\u1ec1 sao cho d\u1ec5 hi\u1ec3u, s\u00fac t\u00edch \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00f3 th\u1ec3 ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c r\u00f5 r\u00e0ng l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng s\u1ed1ng c\u00f2n c\u1ee7a ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 v\u00e0 ng\u01b0\u1eddi b\u00e1n l\u00f4 \u0111\u1ec1. Trong b\u00e0i n\u00e0y s\u1ebd chia s\u1ebb t\u1edbi anh em v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ghi s\u1ed1 \u0111\u1ec1 mi\u1ec1n Nam v\u00e0 mi\u1ec1n B\u1eafc, c\u00f9ng m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 c\u00f3 li\u00ean quan kh\u00e1c.<\/p>\n\n\n\n
Tr\u01b0\u1edbc h\u1ebft b\u1ea1n ph\u1ea3i ph\u00e2n bi\u1ec7t r\u00f5 m\u00ecnh ghi l\u00f4 \u0111\u1ec1 v\u1edbi m\u1ee5c \u0111\u00edch g\u00ec? C\u00f3 2 m\u1ee5c \u0111\u00edch ch\u00ednh sau \u0111\u00e2y:<\/p>\n\n\n\n
\u2013 N\u1ebfu l\u00e0 ng\u01b0\u1eddi ch\u01a1i ghi l\u00f4 \u0111\u1ec1 th\u00ec m\u1ee5c \u0111\u00edch cu\u1ed1i c\u00f9ng l\u00e0 th\u1ed1ng k\u00ea s\u1ed1 \u0111\u1ec3 t\u00ednh to\u00e1n c\u1ea7u l\u00f4 cho nh\u1eefng ng\u00e0y ti\u1ebfp theo \u0111\u1ec3 t\u0103ng c\u01a1 h\u1ed9i tr\u00fang s\u1ed1.<\/p>\n\n\n\n
\u2013 N\u1ebfu l\u00e0 th\u01b0 k\u00fd l\u00f4 \u0111\u1ec1 th\u00ec ghi l\u00f4 \u0111\u1ec1 l\u00e0 nh\u1eb1m m\u1ee5c \u0111\u00edch s\u1eafp x\u1ebfp t\u00ean ng\u01b0\u1eddi v\u00e0 s\u1ed1 ti\u1ec1n \u0111\u1eb7t c\u01b0\u1ee3c c\u1ee7a h\u1ecd v\u1edbi m\u00ecnh, th\u01b0 k\u00fd l\u00f4 \u0111\u1ec1 l\u00e0 ng\u01b0\u1eddi \u0103n ch\u00eanh l\u1ec7ch, l\u00e0 trung gian c\u1ee7a nh\u00e0 c\u00e1i v\u00e0 ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1.<\/p>\n\n\n\n
Trong b\u00e0i n\u00e0y ch\u00fang t\u00f4i s\u1ebd ch\u1ec9 n\u00f3i v\u1ec1 c\u00e1ch ghi l\u00f4 \u0111\u1ec1 c\u1ee7a ng\u01b0\u1eddi ch\u01a1i sao cho r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 nh\u00ecn nh\u1ea5t.<\/p>\n\n\n\n
L\u00f4 \u0111\u1ec1 mi\u1ec1n b\u1eafc c\u00f3 3 d\u1ea1ng \u0111\u00f3 l\u00e0 \u0111\u1ec1 2 s\u1ed1, l\u00f4 2 s\u1ed1 v\u00e0 3 c\u00e0ng. Nh\u01b0 v\u1eady khi ghi ch\u00fa l\u00f4 \u0111\u1ec1 ta ph\u1ea3i c\u00f3 3 b\u1ea3ng ph\u00e2n bi\u1ec7t c\u1ee7a 3 d\u1ea1ng l\u00f4 \u0111\u1ec1 n\u00e0y, ph\u01b0\u01a1ng ph\u00e1p ghi l\u00f4 \u0111\u1ec1 c\u00f3 2 d\u1ea1ng \u0111\u00f3 l\u00e0 ghi th\u1ee7 c\u00f4ng v\u00e0 s\u1eed d\u1ee5ng h\u1ed7 tr\u1ee3 c\u1ee7a ph\u1ea7n m\u1ec1m m\u00e1y t\u00ednh.<\/p>\n\n\n\n
\u2013 Ghi l\u00f4 \u0111\u1ec1 mi\u1ec1n b\u1eafc th\u1ee7 c\u00f4ng th\u00ec ng\u01b0\u1eddi ch\u01a1i ch\u1ec9 c\u1ea7n ghi theo c\u00e1c m\u1ee5c \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n
+ Ng\u00e0y th\u00e1ng n\u0103m.<\/p>\n\n\n\n
+ \u0110\u1ec1 v\u1ec1<\/p>\n\n\n\n
+ L\u00f4 v\u1ec1 (c\u00f3 th\u1ec3 th\u1ed1ng k\u00ea th\u00eam m\u1ed9t b\u1ea3ng \u0111\u1ea7u \u0111u\u00f4i l\u00f4 t\u00f4 v\u1ec1).<\/p>\n\n\n\n
+ 3 c\u00e0ng (l\u00f4 \u0111\u1ec1 3 s\u1ed1) n\u1ebfu b\u1ea1n quan t\u00e2m.<\/p>\n\n\n\n
\u2013 Ghi l\u00f4 \u0111\u1ec1 mi\u1ec1n b\u1eafc s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m excel m\u00e1y t\u00ednh bao g\u1ed3m c\u00e1c m\u1ee5c:<\/p>\n\n\n\n
+ Ng\u00e0y th\u00e1ng n\u0103m.<\/p>\n\n\n\n
+ \u0110\u1ec1 v\u1ec1<\/p>\n\n\n\n
+ L\u00f4 v\u1ec1 (c\u00f3 th\u1ec3 th\u1ed1ng k\u00ea th\u00eam m\u1ed9t b\u1ea3ng \u0111\u1ea7u \u0111u\u00f4i l\u00f4 t\u00f4 v\u1ec1).<\/p>\n\n\n\n
+ 3 c\u00e0ng (l\u00f4 \u0111\u1ec1 3 s\u1ed1) n\u1ebfu b\u1ea1n quan t\u00e2m.<\/p>\n\n\n\n
+ T\u1ed5ng \u0111\u1ec1<\/p>\n\n\n\n
+ T\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t (n\u1ebfu c\u1ea7n)<\/p>\n\n\n\n
C\u00e1ch ghi s\u1ed1 \u0111\u1ec1 t\u1ed1t nh\u1ea5t b\u1ea1n n\u00ean s\u1eed d\u1ee5ng b\u1ea3ng m\u00e1y t\u00ednh \u0111\u1ec3 th\u1ed1ng k\u00ea d\u1ec5 d\u00e0ng h\u01a1n, b\u1ea3ng ghi s\u1ed1 \u0111\u1ec1 cho t\u1eebng t\u1ec9nh c\u1ea7n c\u00f3:<\/p>\n\n\n\n
+ Ng\u00e0y th\u00e1ng n\u0103m<\/p>\n\n\n\n
+ T\u00e0i (2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u1edbn h\u01a1n 50).<\/p>\n\n\n\n
+ S\u1ec9u (2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t nh\u1ecf h\u01a1n 50)<\/p>\n\n\n\n
+ L\u00f4 v\u1ec1 (c\u00f3 th\u1ec3 th\u1ed1ng k\u00ea th\u00eam m\u1ed9t b\u1ea3ng \u0111\u1ea7u \u0111u\u00f4i l\u00f4 t\u00f4 v\u1ec1).<\/p>\n\n\n\n
+ Th\u1ed1ng k\u00ea bao l\u00f4 3 \u0111\u00e0i (3 s\u1ed1 \u0111\u1ec1 c\u1ee7a c\u00e1c t\u1ec9nh v\u1ec1 trong ng\u00e0y)<\/p>\n\n\n\n
C\u00e1ch ghi s\u1ed1 \u0111\u1ec1 mi\u1ec1n Trung c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch ghi l\u00f4 \u0111\u1ec1 mi\u1ec1n Nam<\/p>\n\n\n\n Nghi\u00ean c\u1ee9u soi c\u1ea7u ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ph\u1ea3i chu\u1ea9n b\u1ecb nh\u1eefng \u0111i\u1ec1u c\u1ea7n thi\u1ebft sau: nh\u1eefng con s\u1ed1 t\u00ednh to\u00e1n x\u00e1c su\u1ea5t v\u1ec1 l\u00f4 \u0111\u1ec1, s\u1ed1 ti\u1ec1n c\u00f3 th\u1ec3 \u0111\u1eb7t c\u01b0\u1ee3c, kho\u1ea3ng th\u1eddi gian \u0111\u1eb7t c\u01b0\u1ee3c s\u1ed1 \u0111\u00f3.<\/p>\n\n\n\n T\u00ednh to\u00e1n l\u00f4 \u0111\u1ec1 chu\u1ea9n ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p trong \u0111\u00f3 nh\u1eefng c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n + \u0110\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1ch ghi l\u00f4 \u0111\u1ec1 chu\u1ea9n ng\u01b0\u1eddi ch\u01a1i n\u00ean l\u1ea5y s\u1ed1 \u0111\u1ec1 ng\u00e0y h\u00f4m tr\u01b0\u1edbc l\u00e0m c\u1ea7u l\u00f4 \u0111\u00e1nh trong 3 ng\u00e0y sau.<\/p>\n\n\n\n + L\u1ea5y s\u1ed1 gi\u1eefa c\u1ee7a gi\u1ea3i nh\u1ea5t l\u00e0m c\u1eb7p l\u00f4 \u0111\u00e1nh cho 3 ng\u00e0y ti\u1ebfp theo.<\/p>\n\n\n\n + S\u1eed d\u1ee5ng s\u1ed1 ng\u00e0y v\u00e0 b\u00f3ng s\u1ed1 c\u1ee7a n\u00f3 \u0111\u1ec3 l\u00e0m c\u1ea7u l\u00f4 \u0111\u00e1nh cho ng\u00e0y h\u00f4m \u0111\u00f3.<\/p>\n\n\n\n + L\u1ea5y gi\u1ea3i 7 \u0111\u1ec3 gh\u00e9p 2 s\u1ed1 l\u1ea1i v\u1edbi nhau l\u00e0m c\u1ea7u l\u00f4 \u0111\u00e1nh cho ng\u00e0y h\u00f4m sau\u2026<\/p>\n\n\n\n Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam nhi\u1ec1u c\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 chu\u1ea9n trong nh\u1eefng b\u00e0i tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n Ngo\u00e0i c\u00e1ch ghi l\u00f4 \u0111\u1ec1 chu\u1ea9n l\u00e0 nh\u01b0 th\u1ebf n\u00e0o thi ngh\u1ec7 thu\u1eadt ki\u1ebfm ti\u1ec1n t\u1eeb l\u00f4 \u0111\u1ec1 c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 n\u0103ng m\u00e0 b\u1ea5t c\u1ee9 ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 n\u00e0o c\u0169ng c\u1ea7n ph\u1ea3i bi\u1ebft, hi\u1ec7n nay c\u00e1ch k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn khi ch\u01a1i l\u00f4 \u0111\u1ec1 \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n \u2013 \u0110\u1eb7t ti\u1ec1n theo ki\u1ec3u g\u1ea5p th\u1ebfp t\u1ee9c l\u00e0 ti\u1ec1n ng\u00e0y h\u00f4m sau nhi\u1ec1u h\u01a1n ng\u00e0y h\u00f4m tr\u01b0\u1edbc n l\u1ea7n.<\/p>\n\n\n\n \u2013 X\u00e1c \u0111\u1ecbnh ng\u00e0y gi\u1edbi h\u1ea1n \u0111\u1eb7t c\u01b0\u1ee3c c\u1ee7a l\u00f4 \u0111\u00f3, n\u1eeda th\u1eddi gian \u0111\u1ea7u \u0111\u00e1nh ti\u1ec1n kh\u00f4ng \u0111\u1ed5i, n\u1eeda th\u1eddi gian sau th\u00ec g\u1ea5p th\u1ebfp. Tuy nhi\u00ean, n\u1ebfu c\u1ea7u ra n\u1eeda \u0111\u1ea7u th\u00ec ch\u00fang ta s\u1ebd kh\u00f4ng th\u1ef1c hi\u1ec7n b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n\n\n\n VD b\u1ea1n t\u00ednh \u0111\u01b0\u1ee3c l\u00f4 03 kh\u1ea3 n\u0103ng s\u1ebd ra trong 4 ng\u00e0y t\u1edbi, th\u00ec 2 ng\u00e0y \u0111\u1ea7u m\u1ed7i ng\u00e0y \u0111\u1eb7t c\u01b0\u1ee3c 1 \u0111i\u1ec3m, n\u1ebfu c\u1ea7u ch\u01b0a ra th\u00ec ng\u00e0y th\u1ee9 3 \u0111\u1eb7t 2 \u0111i\u1ec3m, ng\u00e0y th\u1ee9 t\u01b0 \u0111\u1eb7t 6 \u0111i\u1ec3m.<\/p>\n\n\n\n \u2013 Theo c\u00e1ch ghi l\u00f4 \u0111\u1ec1 chu\u1ea9n th\u00ec ng\u01b0\u1eddi ch\u01a1i n\u00ean \u0111\u1eb7t tr\u1ecdng \u0111i\u1ec3m v\u00e0o ng\u00e0y cu\u1ed1i: VD b\u1ea1n x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 4 ng\u00e0y \u0111\u00e1nh l\u00f4 03 th\u00ec 3 ng\u00e0y \u0111\u1ea7u ch\u1ec9 \u0111\u1eb7t 1 \u0111i\u1ec3m, n\u1ebfu l\u00f4 kh\u00f4ng ra th\u00ec ng\u00e0y th\u1ee9 4 \u0111\u1eb7t lu\u00f4n 8 \u0111i\u1ec3m.<\/p>\n\n\n\n L\u00f4 \u0111\u1ec1 khi nu\u00f4i c\u00f3 2 tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra:<\/p>\n\n\n\n \u2013 L\u00f4 nu\u00f4i n\u1ebfu v\u1ec1 trong kho\u1ea3ng th\u1eddi gian gi\u1edbi h\u1ea1n th\u00ec nh\u1eefng ng\u00e0y ti\u1ebfp s\u1ebd kh\u00f4ng n\u1ed5 n\u1eefa.<\/p>\n\n\n\n \u2013 L\u00f4 nu\u00f4i c\u00f3 th\u1ec3 v\u1ec1 li\u00ean t\u1ee5c trong kho\u1ea3n th\u1eddi gian gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n V\u00ec v\u1eady khi \u0111\u1eb7t c\u01b0\u1ee3c, b\u1ea1n n\u00ean x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u00e0 m\u00ecnh ch\u01a1i thu\u1ed9c d\u1ea1ng n\u00e0o \u0111\u1ec3 gi\u1ea3m thua v\u00e0 t\u0103ng ti\u1ec1n th\u1eafng c\u1ee7a m\u00ecnh l\u00ean nhi\u1ec1u h\u01a1n.<\/p>\n\n\n <\/p>\r\nC\u00e1ch nghi\u00ean c\u1ee9u l\u00f4 \u0111\u1ec1 ch\u00ednh x\u00e1c nh\u1ea5t<\/h2>\n\n\n\n
C\u00e1ch ke l\u00f4 \u0111\u1ec1 chu\u1ea9n<\/h3>\n\n\n\n
C\u00e1ch ki\u1ebfm ti\u1ec1n l\u00f4 \u0111\u1ec1<\/h5>\n\n\n\n
C\u00e1ch l\u00e0m l\u00f4 \u0111\u1ec1 hi\u1ec7u qu\u1ea3 theo th\u1eddi gian<\/h3>\n\n\n\n
D\u1ef0 \u0110O\u00c1N X\u1ed4 S\u1ed0 MB VIP SUPER VIP <\/span><\/h3>\r\n