{"id":11536,"date":"2024-03-25T21:34:16","date_gmt":"2024-03-25T21:34:16","guid":{"rendered":"https:\/\/soicau2002.minhngocxoso.com\/?p=11536"},"modified":"2024-03-25T21:34:16","modified_gmt":"2024-03-25T21:34:16","slug":"ap-dung-cong-thuc-de-trung-cau-lo-chuan-nhat","status":"publish","type":"post","link":"https:\/\/xemlodep.com\/ap-dung-cong-thuc-de-trung-cau-lo-chuan-nhat\/","title":{"rendered":"\u00c1p d\u1ee5ng c\u00f4ng th\u1ee9c \u0111\u1ec3 tr\u00fang c\u1ea7u l\u00f4 chu\u1ea9n nh\u1ea5t"},"content":{"rendered":"
V\u1edbi m\u1ed7i anh em soi c\u1ea7u l\u00f4 x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc, th\u00ec vi\u1ec7c d\u1ef1 \u0111o\u00e1n x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc h\u00f4m nay \u0111\u1ec3 cho ra nh\u1eefng con s\u1ed1 ch\u00ednh x\u00e1c nh\u1ea5t v\u00e0 th\u1eafng l\u1edbn l\u00e0 m\u1ed9t \u0111i\u1ec1u kh\u00f4ng h\u1ec1 d\u1ec5 d\u00e0ng, kh\u00f4ng ai l\u00e0 kh\u00f4ng th\u00edch v\u1eeba vui l\u1ea1i v\u1eeba c\u00f3 ti\u1ec1n ph\u1ea3i kh\u00f4ng n\u00e0o?
\nD\u01b0\u01a1i \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin m\u00e0 anh em kh\u00f4ng n\u00ean ch\u1ec9 \u0111\u1ecdc l\u01b0\u1edbt qua r\u1ed3i c\u01b0\u1eddi tr\u1eeb \u0111\u1ec3 r\u1ed3i b\u1ecf qua nh\u1eefng c\u01a1 h\u1ed9i chi\u1ebfn th\u1eb1ng d\u00f9 ch\u1ec9 l\u00e0 r\u1ea5t nh\u1ecf.<\/p>\n
\u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng th\u1ee9c ph\u1ea3i n\u00f3i l\u00e0 r\u1ea5t hi\u1ec7u qu\u1ea3 v\u00e0 cho t\u1edbi th\u1eddi \u0111i\u1ec3m hi\u1ec7n nay n\u00f3 v\u1eabn \u0111ang c\u00f2n h\u1eefu d\u1ee5ng, nhi\u1ec1u anh em \u0111\u00e3 cho l\u00e0 n\u00f3 v\u00f4 d\u1ee5ng nh\u01b0ng c\u00f3 l\u1ebd c\u00e1c anh em \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u00e3 \u00e1p d\u1ee5ng sai v\u00e0 kh\u00f4ng v\u1eadn d\u1ee5ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, anh em kh\u00f4ng n\u00ean d\u1eadp khu\u00f4n m\u1ed9t c\u00e1ch m\u00e1y m\u00f3c m\u00e0 h\u00e3y v\u1eadn d\u1ee5ng c\u00e1ch t\u00ednh l\u00f4 chu\u1ea9n<\/em><\/strong> m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u00e9. A + B + X = 10 (ho\u1eb7c 20)<\/p>\n C + D + Y = 20 (ho\u1eb7c 20)<\/p>\n Nh\u01b0 v\u1eady \u0111\u00e1nh l\u00f4 XY cho ng\u00e0y th\u1ee9 3.<\/p>\n -Anh em h\u1ebft s\u1ee9c l\u01b0u \u00fd khi \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c n\u00e0y:<\/p>\n +Th\u00f4ng th\u01b0\u1eddng c\u1ea7u n\u00e0y v\u1ec1 t\u1eeb 3 \u0111\u1ebfn 4 ng\u00e0y, tuy nhi\u00ean s\u1ebd c\u00f3 \u0111\u1ee3t ch\u1ec9 v\u1ec1 1, 2 ng\u00e0y th\u00f4i v\u00ec v\u1eady n\u1ebfu g\u00e3y c\u1ea7u anh em h\u00e3y ngh\u1ec9 ng\u1eddi v\u00e0i h\u00f4m kh\u00f4ng theo c\u1ea7u n\u1eefa, t\u00ednh t\u1edbi ng\u00e0y h\u00f4m n\u00e0o c\u1ea7u v\u1ec1 th\u00ec theo l\u1ea1i, ch\u1edb c\u00f3 ham m\u00e0 theo li\u1ec1u anh em \u1ea1. 4 + 5 + 1 = 10<\/p>\n 4 + 8 + 8 = 20<\/p>\n Nh\u01b0 v\u1eady ta s\u1ebd \u0111\u01b0\u1ee3c XY=18, \u0111em 18 \u0111\u00e1nh cho ng\u00e0y 17\/6\/2024 ta th\u1ea5y ng\u00e0y h\u00f4m \u0111\u00f3 kqxsmb ra 81 \u1edf gi\u1ea3i 7. \u0110\u1ecdc qua th\u1ea5y ph\u1ee9c t\u1ea1p nh\u01b0ng \u00e1p d\u1ee5ng c\u0169ng th\u1ea5y \u0111\u01a1n gi\u1ea3n ph\u1ea3i kh\u00f4ng anh em.<\/p>\n <\/p>\n
\n\u2013 C\u00f4ng th\u1ee9c n\u00e0y l\u00e0 \u00e1p d\u1ee5ng k\u1ebft qu\u1ea3 \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ed1 \u0111\u1ec1 2 ng\u00e0y tr\u01b0\u1edbc \u0111\u1ec3 \u0111\u00e1nh cho ng\u00e0y h\u00f4m nay b\u1eb1ng c\u00e1ch c\u1ed9ng t\u1ed5ng s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb v\u1edbi h\u00e0ng ch\u1ee5c c\u00f9ng m\u1ed9t s\u1ed1 b\u1ea5t k\u1ef3 \u0111\u1ec3 ra t\u1ed5ng ch\u1eb5n 10 v\u00e0 ch\u1eb5n 20. Nghe r\u1ea5t ph\u1ee9c t\u1ea1p ph\u1ea3i kh\u00f4ng \u1ea1, sau \u0111\u00e2y ch\u00fang t\u00f4i \u0111\u01b0a ra c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\nC\u1ee5 th\u1ec3 nh\u01b0 sau: G\u1ecdi k\u1ebft qu\u1ea3 \u0111\u1ec1 c\u1ee7a 2 ng\u00e0y tr\u01b0\u1edbc \u0111\u00f3 l\u1ea7n l\u01b0\u1ee3t l\u00e0 AB v\u00e0 CD ta c\u00f3:<\/h5>\n
\n+ Trong tr\u01b0\u1eddng h\u1ee3p n\u1ebfu ch\u1ed1t XY v\u00e0 l\u1ea1i v\u1ec1 ng\u01b0\u1ee3c YX th\u00ec anh em h\u00e3y d\u1eebng l\u1ea1i \u0111\u1ee3i ch\u1edd 3, t\u1edbi 3 h\u00f4m sau theo l\u1ea1i nh\u00e9, \u0111\u1ee3i ch\u1edd l\u00e0 h\u1ea1nh ph\u00fac m\u00e0 l\u1ea1i.
\nM\u1ed9t v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 cho anh em d\u1ec5 h\u00ecnh dung, c\u1ee9 X, Y m\u00e3i h\u1ea1i n\u00e3o ?<\/p>\nNg\u00e0y 15\/6\/2024 ta th\u1ea5y \u0111\u1ec1 v\u1ec1 45, ng\u00e0y 16 \u0111\u1ec1 v\u1ec1 48, Ap d\u1ee5ng theo c\u00f4ng th\u1ee9c ta c\u00f3:<\/h5>\n
\nAnh em ch\u00fa \u00fd nh\u00e9, XY kh\u00f4ng ph\u1ea3i YX nh\u00e9, ta th\u1ea5y l\u1ed9n YX v\u00ec v\u1eady anh em ngh\u1ec9 3 t\u1edbi 4 h\u00f4m nh\u00e9.<\/p>\n