{"id":656,"date":"2018-09-23T15:39:43","date_gmt":"2018-09-23T08:39:43","guid":{"rendered":"https:\/\/thienhabet.com\/?p=656"},"modified":"2020-08-14T06:30:31","modified_gmt":"2020-08-13T23:30:31","slug":"cach-tinh-de-bach-thu","status":"publish","type":"post","link":"https:\/\/\/cach-tinh-de-bach-thu","title":{"rendered":"C\u00e1ch t\u00ednh b\u1ea1ch th\u1ee7 \u0111\u1ec1 t\u1ec9 l\u1ec7 th\u1eafng cao \u2013 B\u1ea1n bi\u1ebft ch\u01b0a ?"},"content":{"rendered":"

\u0110\u00e1nh \u0111\u1ec1 b\u1ea1ch th\u1ee7 l\u00e0 c\u00e1ch \u0111\u00e1nh duy nh\u1ea5t 1 s\u1ed1 \u0111\u1ec1. Ch\u00ednh v\u00ec th\u1ebf b\u1ea1n s\u1ebd gom \u0111\u01b0\u1ee3c ti\u1ec1n m\u00ecnh c\u00f3 \u0111\u00e1nh v\u00e0o m\u1ed9t con, nh\u01b0 v\u1eady \u0103n c\u0169ng s\u1ebd \u0103n \u0111\u01b0\u1ee3c nhi\u1ec1u h\u01a1n. Tuy nhi\u00ean, do \u0111\u00e1nh 1 con n\u00ean t\u1ec9 l\u1ec7 tr\u00fang r\u1ea5t th\u1ea5p n\u1ebfu b\u1ea1n kh\u00f4ng bi\u1ebft c\u00e1ch t\u00ednh \u0111\u1ec1 b\u1ea1ch th\u1ee7 chu\u1ea9n s\u1ebd c\u1ef1c k\u00ec kh\u00f3 kh\u0103n.<\/p>\n

N\u1eafm b\u1eaft \u0111\u01b0\u1ee3c t\u00e2m l\u00fd \u0111\u00f3, trang ch\u1ee7 Thienhabet<\/strong><\/a>\u00a0\u0111\u00e3 t\u1ed5ng h\u1ee3p gi\u00fap c\u00e1c b\u1ea1n nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p b\u1eaft b\u1ea1ch th\u1ee7 \u0111\u1ec1 chu\u1ea9n d\u01b0\u1edbi \u0111\u00e2y cho anh em tham kh\u1ea3o<\/p>\n[toc]\n

\u0110\u00e1nh \u0111\u1ec1 b\u1ea1ch th\u1ee7 l\u00e0 g\u00ec ?<\/b><\/h2>\n

B\u1ea1ch Th\u1ee7 L\u00f4 hay c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 \u0110\u1ed9c Th\u1ee7 L\u00f4, l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef trong b\u1ed9 m\u00f4n X\u1ed5 S\u1ed1 \u2013 L\u00f4 \u0110\u1ec1 \u0111\u01b0\u1ee3c chuy\u1ec1n tai nhau. Do \u0111\u00e2y l\u00e0 v\u0103n n\u00f3i n\u00ean kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 ghi ch\u00e9p \u0111\u1ecbnh ngh\u0129a c\u1ee5 th\u1ec3 n\u00e0o.<\/span><\/p>\n

\u0110\u00e1nh b\u1ea1ch th\u1ee7 hay c\u00f2n g\u1ecdi l\u00e0 \u201cb\u1ea1ch th\u1ee7 l\u00f4\u201d hay \u201cb\u1ea1ch th\u1ee7 \u0111\u1ec1\u201d l\u00e0 t\u1eeb c\u00f2n kh\u00e1 l\u1ea1 l\u1eabm v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi, th\u1eadm ch\u00ed l\u00e0 nh\u1eefng ng\u01b0\u1eddi trong gi\u1edbi ch\u01a1i x\u1ed5 s\u1ed1, b\u00e0i b\u1ea1c hay l\u00f4 \u0111\u1ec1. B\u1ea1ch th\u1ee7 l\u00e0 t\u1eeb \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb v\u0103n n\u00f3i v\u00e0 n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c ghi ch\u00e9p trong b\u1ea5t c\u1ee9 v\u0103n b\u1ea3n n\u00e0o. \u0110\u00e2y l\u00e0 t\u1eeb ph\u00e1t \u00e2m c\u1ee7a m\u1ed9t k\u00fd t\u1ef1 ch\u1eef N\u00f4m, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf mi\u1ec1n B\u1eafc Vi\u1ec7t Nam t\u1eeb kho\u1ea3ng nh\u1eefng n\u0103m 1960 sau khi C\u00f4ng ty x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft Th\u1ee7 \u0110\u00f4 \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp. Sau \u0111\u00f3, t\u1eeb \u201cb\u1ea1ch th\u1ee7\u201d tr\u1edf n\u00ean ng\u00e0nh c\u00e0ng ph\u1ed5 bi\u1ebfn tr\u00ean c\u1ea3 n\u01b0\u1edbc.<\/span><\/p>\n

\"2
L\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7 l\u00e0 g\u00ec?<\/em><\/figcaption><\/figure>\n

\u0110\u00e1nh b\u1ea1ch th\u1ee7 l\u00f4<\/b> \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 c\u00e1ch ch\u01a1i c\u1edd b\u1ea1c m\u00e0 ng\u01b0\u1eddi ch\u01a1i s\u1ebd \u0111\u00e1nh t\u1ea5t tay v\u00e8 k\u1ebft th\u00fac v\u00e1n c\u1edd trong trong l\u1ea7n ch\u01a1i l\u00f4. B\u1ea1ch th\u1ee7 l\u00f4 l\u00e0 l\u1ed1i \u0111\u00e1nh \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi ch\u01a1i c\u00f3 k\u1ef9 n\u0103ng ph\u00e1n \u0111o\u00e1n v\u00e0 soi c\u1ea7u t\u1ed1t. V\u1edbi c\u00e1ch ch\u01a1i n\u00e0y, b\u1ea1n ch\u1ec9 c\u01b0\u1ee3c bao l\u00f4 duy nh\u1ea5t cho 1 s\u1ed1 duy nh\u1ea5t.<\/span><\/p>\n

C\u00f2n, <\/span>\u0111\u00e1nh b\u1ea1ch th\u1ee7 \u0111\u1ec1<\/b> l\u00e0 ng\u01b0\u1eddi ch\u01a1i s\u1ebd c\u01b0\u1ee3c m\u1ed9t con \u0111\u1ec1 duy nh\u1ea5t, th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi v\u1ed1n \u00edt nh\u01b0ng n\u1ebfu tr\u00fang th\u00ec l\u00e3i r\u1ea5t nhi\u1ec1u. Tuy nhi\u00ean c\u00e1ch ch\u01a1i n\u00e0y \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i quy\u1ebft \u0111o\u00e1n, bi\u1ebft c\u00e1ch ph\u00e1n \u0111o\u00e1n ch\u00ednh x\u00e1c \u0111\u1ec3 ch\u1ecdn con \u0111\u1ec1 n\u00e0o c\u00f3 kh\u1ea3 n\u0103ng tr\u00fang cao.<\/span><\/p>\n

\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u0111\u1ec1 b\u1ea1ch th\u1ee7<\/b><\/h2>\n
\"T\u00ednh
T\u00ednh \u0111\u1ec1 b\u1ea1ch th\u1ee7 – \u0110\u01b0\u1ee3c \u0103n c\u1ea3, ng\u00e3 v\u1ec1 kh\u00f4ng<\/em><\/figcaption><\/figure>\n

B\u1ea1ch th\u1ee7 l\u00e0 l\u1ed1i \u0111\u00e1nh 1 con duy nh\u1ea5t cho 1 l\u1ea7n x\u1ed5 s\u1ed1. Thay v\u00ec ph\u1ea3i r\u1ea3i v\u1ed1n \u0111\u00e1nh v\u00e0o nhi\u1ec1u con c\u00f9ng l\u00fac th\u00ec ng\u01b0\u1eddi ch\u01a1i ch\u1ec9 c\u1ea7n \u0111\u1ea7u t\u01b0 v\u00e0o m\u1ed9t con s\u1ed1 duy nh\u1ea5t n\u00ean th\u01b0\u1eddng \u0111\u1ea7u t\u01b0 \u00edt ti\u1ec1n. H\u01a1n th\u1ebf, n\u1ebfu ch\u01a1i l\u00f4 t\u1eeb Gi\u1ea3i \u0110\u1eb7c bi\u1ec7t \u0111\u1ebfn Gi\u1ea3i 7 trong X\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft mi\u1ec1n B\u1eafc. C\u00f3 \u0111\u1ebfn 27 gi\u1ea3i so v\u1edbi 18 gi\u1ea3i c\u1ee7a X\u1ed5 s\u1ed1 Mi\u1ec1n Nam hay X\u1ed5 s\u1ed1 Mi\u1ec1n Trung n\u00ean t\u1ef7 l\u1ec7 \u0103n l\u00f4 b\u1ea1ch th\u1ee7 kh\u00e1 cao. Cao h\u01a1n khi ch\u01a1i song th\u1ee7 l\u00f4 ho\u1eb7c ch\u01a1i l\u00f4 d\u00e0n.<\/span><\/p>\n

Tuy nhi\u00ean, \u0111\u00e1nh \u0111\u1ec1 b\u1ea1ch th\u1ee7 kh\u00f4ng d\u00e0nh cho nh\u1eefng ng\u01b0\u1eddi th\u00edch an to\u00e0n v\u00ec t\u1ef7 l\u1ec7 tr\u00fang l\u00e0 1%. Mu\u1ed1n an to\u00e0n th\u00ec ch\u1ec9 vi\u1ec7c r\u1ea3i ti\u1ec1n ra \u0111\u00e1nh nhi\u1ec1u con \u0111\u1ec1 th\u00ec s\u1ebd t\u0103ng x\u00e1c su\u1ea5t tr\u00fang nh\u01b0ng \u0111\u1ea7u t\u01b0 nhi\u1ec1u v\u00e0 \u0103n \u00edt h\u01a1n khi ch\u01a1i b\u1ea1ch th\u1ee7 \u0111\u1ec1.<\/span><\/p>\n

Nh\u01b0 v\u1eady, qua b\u00e0i vi\u1ebft b\u1ea1n \u0111\u00e3 bi\u1ebft b\u1ea1ch th\u1ee7 l\u00e0 g\u00ec v\u00e0 nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m n\u1ebfu ch\u01a1i theo l\u1ed1i n\u00e0y. Hy v\u1ecdng b\u1ea1n c\u00f3 chi\u1ebfn l\u01b0\u1ee3c ch\u01a1i ph\u00f9 h\u1ee3p \u0111\u1ec3 theo \u0111u\u1ed5i \u0111am m\u00ea v\u00e0 ki\u1ebfm ti\u1ec1n t\u1eeb \u0111am m\u00ea c\u1ee7a m\u00ecnh.<\/span><\/p>\n

Ti\u1ebft l\u1ed9 ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u pascal<\/strong><\/a> m\u1edbi nh\u1ea5t \u2013 Anh em c\u1eadp b\u1ebfn nhanh ch\u00f3ng<\/p><\/blockquote>\n

M\u1ed9t s\u1ed1 c\u00e1ch \u0111\u00e1nh b\u1ea1ch th\u1ee7 hi\u1ec7u qu\u1ea3 nh\u1ea5t<\/strong><\/h2>\n

\u0110\u00e1nh theo s\u1ed1 k\u00e9p<\/b><\/h3>\n

Ch\u1ec9 c\u1ea7n b\u1ea1n l\u00e0 ng\u01b0\u1eddi c\u00f3 m\u1eaft quan s\u00e1t th\u00ec r\u1ea5t d\u1ec5 tr\u00fang khi \u0111\u00e1nh theo ph\u01b0\u01a1ng ph\u00e1p s\u1ed1 k\u00e9p. Ch\u1eb3ng h\u1ea1n, n\u1ebfu k\u1ebft qu\u1ea3 ng\u00e0y h\u00f4m qua l\u00e0 00425, t\u1ee9c c\u00f3 k\u00e9p 00, th\u00ec h\u00e3y nu\u00f4i con s\u1ed1 b\u1edfi kh\u1ea3 n\u0103ng h\u00f4m nay v\u1ec1 s\u1ebd r\u1ea5t cao \u0111\u1ea5y.<\/span><\/p>\n

\"2
2 c\u00e1ch t\u00ednh \u0111\u1ec1 b\u1ea1ch th\u1ee7<\/em><\/figcaption><\/figure>\n

C\u00e1ch t\u00ednh \u0111\u1ec1 b\u1ea1ch th\u1ee7 k\u00e9p d\u1ef1a v\u00e0o \u0111u\u00f4i l\u00f4 c\u00e2m<\/b><\/h3>\n

Theo d\u00f5i m\u1ed7i ng\u00e0y quay xem c\u00f3 th\u1ea5y \u0111u\u00f4i l\u00f4 c\u00e2m hay kh\u00f4ng, \u0111\u1ed3ng th\u1eddi \u0111\u1ee3i con k\u00e9p c\u1ee7a \u0111\u1ea7u c\u00e2m \u0111\u00f3 xem c\u00f3 ra trong c\u00e1c ng\u00e0y ti\u1ebfp theo kh\u00f4ng. N\u1ebfu nh\u01b0 kh\u00f4ng th\u1ea5y xu\u1ea5t hi\u1ec7n m\u00e0 m\u1ed9t ng\u00e0y \u0111\u1ea7u con k\u00e9p \u0111\u00f3 c\u0169ng c\u00e2m th\u00ec n\u00ean nu\u00f4i con b\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p \u0111\u00f3 trong v\u00f2ng 4 ng\u00e0y li\u00ean ti\u1ebfp.<\/span><\/p>\n

V\u00ed d\u1ee5 k\u1ebft qu\u1ea3 s\u1ed5 x\u1ed1 ng\u00e0y 1\/12\/2017 c\u00f3 \u0111u\u00f4i 3 c\u00e2m, th\u00ec b\u1ea1n xem 2\/12 v\u00e0 3\/12\/2017 con l\u00f4 k\u00e9p 33 ra kh\u00f4ng. Sang ng\u00e0y 4\/12\/2017 th\u1ea5y \u0111\u1ea7u 3 c\u00e2m th\u00ec b\u1ea1n nu\u00f4i con 33 k\u00e9p theo khung 4 ng\u00e0y, ch\u1ec9 c\u1ea7n nu\u00f4i 2 ng\u00e0y l\u00e0 s\u1ebd ra nh\u01b0ng c\u0169ng c\u00f3 khi t\u1edbi 4 ng\u00e0y m\u1edbi ra.<\/span><\/p>\n

\"B\u1ea1ch
B\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p<\/em><\/figcaption><\/figure>\n

\u0110\u00e1nh theo khuy\u1ebft g\u00f3c<\/b><\/h3>\n

C\u00e1ch \u0111\u00e1nh n\u00e0y \u0111\u00f2i h\u1ecfi b\u1ea1n ph\u1ea3i tinh \u00fd h\u01a1n ph\u01b0\u01a1ng ph\u00e1p s\u1ed1 k\u00e9p. L\u1ea5y m\u1ed9t v\u00ed d\u1ee5 minh h\u1ecda \u0111\u1ec3 c\u00e1c b\u1ea1n d\u1ec5 hi\u1ec3u l\u00e0: H\u00f4m nay gi\u1ea3i 3.1 l\u00e0 39692, gi\u1ea3i 3.4 l\u00e0 25952 th\u00ec b\u1ea1n th\u1ea5y 2 gi\u1ea3i c\u00f3 3 g\u00f3c l\u00e0 s\u1ed1 2, c\u00f2n g\u00f3c c\u00f2n l\u1ea1i b\u1ecb khuy\u1ebft b\u1edfi s\u1ed1 3. Ng\u00e0y h\u00f4m sau, b\u1ea1n h\u00e3y \u0111\u00e1nh 23 v\u00e0 32, ch\u1eafc ch\u1eafn ph\u1ea7n th\u1eafng s\u1ebd l\u00e0 r\u1ea5t l\u1edbn.<\/span><\/p>\n

Th\u1eafng ai m\u00e0 kh\u00f4ng ham? C\u00e0ng tham l\u1ea1i c\u00e0ng \u0111\u00e1nh l\u1edbn. M\u00e1u li\u1ec1u c\u1ee7a d\u00e2n l\u00f4 \u0111\u1ec1 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh qua nh\u1eefng l\u1ea7n b\u1ea1ch th\u1ee7 th\u1eafng \u0103n c\u1ea3 ng\u00e3 v\u1ec1 kh\u00f4ng nh\u01b0 v\u1eady.<\/span><\/p>\n

H\u00f4m nay th\u1eafng, ng\u00e0y mai ph\u1ea3i d\u1ed1c h\u1ebft v\u1ed1n li\u1ebfng ch\u01a1i v\u00e1n ho\u00e0nh tr\u00e1ng h\u01a1n. V\u00e0 th\u1ea7n may m\u1eafn ch\u1ec9 g\u00f5 c\u1eeda m\u1ed9t s\u1ed1 ng\u01b0\u1eddi, c\u00f2n ph\u1ea7n \u0111\u00f4ng kia \u0111\u1ec1u tr\u1eafng tay ra v\u1ec1.<\/span><\/p>\n

K\u1ebft lu\u1eadn<\/strong><\/h2>\n

Do \u0111\u00f3, khi ch\u01b0a c\u00f3 kinh nghi\u1ec7m, thay v\u00ec ch\u01a1i \u0111\u1ec1 b\u1ea1ch th\u1ee7, b\u1ea1n c\u00f3 th\u1ec3 ki\u00ean tr\u00ec nu\u00f4i l\u00f4 3 ng\u00e0y. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng \u00e1n an to\u00e0n, t\u1ec9 l\u1ec7 tr\u00fang cao v\u00e0 ti\u1ec1n l\u00e3i c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i. C\u00e1c anh em h\u00e3y lu\u00f4n t\u1ec9nh t\u00e1o v\u00e0 l\u00e0m ch\u1ee7 cu\u1ed9c ch\u01a1i \u0111\u1ec3 kh\u00f4ng tr\u01b0\u1ee3t d\u00e0i trong tr\u00f2 may r\u1ee7i n\u00e0y nh\u00e9!<\/span><\/p>\n

Hi\u1ec3u l\u00e0 m\u1ed9t chuy\u1ec7n, bi\u1ebft <\/span>c\u00e1ch t\u00ednh \u0111\u1ec1 b\u1ea1ch th\u1ee7<\/b> l\u1ea1i l\u00e0 m\u1ed9t chuy\u1ec7n ho\u00e0n to\u00e0n kh\u00e1c. N\u1ebfu ch\u01b0a t\u1ef1 tin v\u00e0o kh\u1ea3 n\u0103ng t\u01b0 duy v\u00e0 \u00f3c ph\u00e1n \u0111o\u00e1n c\u1ee7a m\u00ecnh, anh em c\u00f3 th\u1ec3 t\u00ecm \u0111\u1ebfn nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p t\u00ednh \u0111\u1ec1 th\u00fa v\u1ecb kh\u00e1c, kh\u00f4ng nh\u1ea5t \u0111\u1ecbnh c\u1ee9 ph\u1ea3i \u201cb\u1ea1ch th\u1ee7\u201d m\u1edbi mang l\u1ea1i chi\u1ebfn th\u1eafng.<\/span><\/p>\n

Ngo\u00e0i ra, anh em c\u0169ng c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam c\u00e1ch t\u00ednh l\u00f4 theo ng\u00e0y<\/strong><\/a>, c\u00e1ch n\u00e0y c\u0169ng gi\u00fap \u00edch cho anh em mang l\u1ea1i l\u1ee3i nhu\u1eadn cao \u0111\u1ea5y nh\u00e9.! Ch\u00fac c\u00e1c anh em may m\u1eafn.!<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0110\u00e1nh \u0111\u1ec1 b\u1ea1ch th\u1ee7 l\u00e0 c\u00e1ch \u0111\u00e1nh duy nh\u1ea5t 1 s\u1ed1 \u0111\u1ec1. Ch\u00ednh v\u00ec th\u1ebf b\u1ea1n s\u1ebd gom \u0111\u01b0\u1ee3c ti\u1ec1n m\u00ecnh c\u00f3 \u0111\u00e1nh v\u00e0o m\u1ed9t con, nh\u01b0 v\u1eady \u0103n c\u0169ng s\u1ebd \u0103n \u0111\u01b0\u1ee3c nhi\u1ec1u h\u01a1n. Tuy nhi\u00ean, do \u0111\u00e1nh 1 con n\u00ean t\u1ec9 l\u1ec7 tr\u00fang r\u1ea5t th\u1ea5p n\u1ebfu b\u1ea1n kh\u00f4ng bi\u1ebft c\u00e1ch t\u00ednh \u0111\u1ec1 b\u1ea1ch […]\n","protected":false},"author":1,"featured_media":17374,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[462],"tags":[],"yst_prominent_words":[],"yoast_head":"\nC\u00e1ch t\u00ednh b\u1ea1ch th\u1ee7 \u0111\u1ec1 t\u1ec9 l\u1ec7 th\u1eafng cao \u2013 B\u1ea1n bi\u1ebft ch\u01b0a ?<\/title>\n<meta name=\"description\" content=\"B\u1ea1ch th\u1ee7 \u0111\u1ec1 l\u00e0 c\u00e1ch t\u00ednh t\u1ed1n \u00edt v\u1ed1n, mang l\u1ea1i l\u1ee3i nhu\u1eadn c\u1ef1c cao n\u1ebfu tr\u00fang. 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