{"id":17380,"date":"2024-03-09T00:27:44","date_gmt":"2024-03-09T00:27:44","guid":{"rendered":"https:\/\/soicau4066.minhngocxoso.com\/dau-duoi-trong-xo-so-la-gi-cach-choi-xo-so-dau-duoi-de-trung-nhat\/"},"modified":"2024-03-09T00:27:44","modified_gmt":"2024-03-09T00:27:44","slug":"dau-duoi-trong-xo-so-la-gi-cach-choi-xo-so-dau-duoi-de-trung-nhat","status":"publish","type":"post","link":"https:\/\/songthulomb.com\/dau-duoi-trong-xo-so-la-gi-cach-choi-xo-so-dau-duoi-de-trung-nhat\/","title":{"rendered":"\u0111\u1ea7u \u0111u\u00f4i trong x\u1ed5 s\u1ed1 l\u00e0 g\u00ec? c\u00e1ch ch\u01a1i x\u1ed5 s\u1ed1 \u0111\u1ea7u \u0111u\u00f4i d\u1ec5 tr\u00fang nh\u1ea5t"},"content":{"rendered":"
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C\u00e1ch ch\u01a1i n\u00e0y d\u1ef1a tr\u00ean nh\u1eefng d\u1eef ki\u1ec7n cho tr\u01b0\u1edbc, v\u00ec v\u1eady n\u00f3 c\u00f3 t\u1ef7 l\u1ec7 tr\u00fang th\u01b0\u1edfng c\u1ef1c cao, h\u1ea5p d\u1eabn, \u0111\u00e1ng ch\u1ecdn. N\u1ebfu anh em \u0111ang ch\u01b0a c\u00f3 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i n\u00e0o hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 th\u1ed1ng k\u00ea x\u1ed5 s\u1ed1, sau \u0111\u00f3 t\u00ecm ra c\u00e1c c\u1eb7p s\u1ed1 c\u1ef1c \u0111\u1eb9p.<\/strong><\/p>\n

1. S\u1ed1 \u0111\u1ea7u \u0111u\u00f4i l\u00e0 g\u00ec? <\/b><\/h2>\n

\u0110\u00e1nh \u0111\u1ea7u \u0111u\u00f4i x\u1ed5 s\u1ed1 s\u1ed1 \u0111\u00e1nh \u0111\u1ec1 l\u00e0 c\u00e1ch \u0111\u00e1nh ch\u1eb7n v\u00f2ng gh\u00e9p s\u1ed1 t\u1eeb k\u1ebft qu\u1ea3 c\u1ee7a gi\u1ea3i n\u00e0y v\u1edbi s\u1ed1 kia c\u1ee7a gi\u1ea3i kh\u00e1c \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c con s\u1ed1 \u0111\u00e1nh v\u00e0o ng\u00e0y h\u00f4m sau. \u0110\u00e1nh x\u1ed5 s\u1ed1 \u0111\u1ea7u \u0111u\u00f4i hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 bi\u00ean 2 l\u00f4 \u0111\u1ea7u \u0111u\u00f4i. Khi \u0111\u00e1nh x\u1ed5 s\u1ed1 \u0111\u1ea7u \u0111u\u00f4i c\u00e1c b\u1ea1n s\u1ebd \u00e1p d\u1ee5ng theo quy lu\u1eadt lo\u1ea1i tr\u1eeb sau:<\/p>\n

Nh\u1eefng s\u1ed1 c\u00f3 0 h\u00e0ng \u0111\u01a1n v\u1ecb nh\u01b0: 10, 20, 30, 40, 50, 60, 70, 80, 90, 00 th\u00ec b\u1ecf kh\u00f4ng d\u00f9ng.<\/p>\n

Nh\u1eefng s\u1ed1 c\u00f3 s\u1ed1 0 \u1edf h\u00e0ng ch\u1ee5c nh\u01b0: 01, 02, 03, 04, 05, 06, 07, 08, 09 th\u00ec c\u0169ng kh\u00f4ng d\u00f9ng m\u00e0 b\u1ecf \u0111i.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 k\u00e9p, s\u1ed1 c\u1eb7p nh\u01b0: 11, 22, 33, 44, 55, 66, 77, 88, 99 c\u0169ng b\u1ecf qua t\u1ea5t c\u1ea3.<\/p>\n

Nh\u01b0 v\u1eady theo quy lu\u1eadt lo\u1ea1i b\u1ecf n\u00e0y c\u00e1c b\u1ea1n \u0111\u00e3 lo\u1ea1i b\u1ecf \u0111\u1ef1c 28 s\u1ed1 v\u00e0 c\u00f2n l\u1ea1i 72 s\u1ed1 ph\u1ea3i bi\u00ean. N\u1ebfu bi\u00ean 10 \u0111i\u1ec3m cho 71 s\u1ed1 s\u1ebd \u0111\u01b0\u1ee3c: 72\u00d710=720k. Trong \u0111\u00f3 ti\u1ec1n hoa h\u1ed3ng cho nh\u00e0 c\u00e1i \u0111\u01b0\u1ee3c t\u00ednh l\u00e0: 72 x 10 x 24.5% = 176.4k. Nh\u01b0 v\u1eady t\u1ed5ng s\u1ed1 ti\u1ec1n m\u00e0 c\u00e1c b\u1ea1n s\u1ebd m\u1ea5t l\u00e0 720k -176.4k = 543.6k.<\/p>\n

2. C\u00e1ch ch\u01a1i \u0111\u1ea7u \u0111u\u00f4i hi\u1ec7u qu\u1ea3 <\/b><\/h2>\n

C\u00f3 kh\u00e1 nhi\u1ec1u c\u00e1ch ch\u01a1i kh\u00e1c nhau, nh\u01b0ng t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u c\u00e1c b\u1ea1n ch\u01a1i theo 5 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed9c \u0111\u00e1o, t\u1ef7 l\u1ec7 th\u1eafng cao sau \u0111\u00e2y:<\/p>\n