{"id":1171,"date":"2022-01-04T13:31:01","date_gmt":"2022-01-04T05:31:01","guid":{"rendered":"https:\/\/\/?p=1171"},"modified":"2022-01-04T14:16:12","modified_gmt":"2022-01-04T06:16:12","slug":"tong-lo-de-la-gi-va-mach-ban-cach-tinh-lo-de-chuan-xac","status":"publish","type":"post","link":"https:\/\/\/tong-lo-de-la-gi-va-mach-ban-cach-tinh-lo-de-chuan-xac\/","title":{"rendered":"T\u1ed5ng l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec v\u00e0 m\u00e1ch b\u1ea1n c\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 chu\u1ea9n x\u00e1c\u00a0"},"content":{"rendered":"
L\u00e0 m\u1ed9t ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1, ch\u1eafc ch\u1eafn b\u1ea1n \u0111\u00e3 t\u1eebng nghe nghe t\u1ed5ng l\u00f4 v\u00e0 nh\u1eefng c\u00e1ch t\u00ednh t\u1ed5ng l\u00f4 \u0111\u1ec1 hi\u1ec7u qu\u1ea3. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ng\u01b0\u1eddi ch\u01a1i n\u00e0o c\u0169ng bi\u1ebft v\u00e0 hi\u1ec3u r\u00f5 v\u1ec1 nh\u1eefng th\u00f4ng tin n\u00e0y. B\u00e0i vi\u1ebft n\u00e0y c\u1ee7a ch\u00fang t\u00f4i s\u1ebd \u0111em l\u1ea1i cho b\u1ea1n- nh\u1eefng ng\u01b0\u1eddi m\u1edbi ch\u01a1i l\u00f4 \u0111\u1ec1 nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch v\u00e0 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt m\u1edbi nh\u1ea5t v\u1ec1 t\u1ed5ng l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec v\u00e0 c\u00e1ch \u0111\u1ec3 t\u00ednh l\u00f4 \u0111\u1ec1 chu\u1ea9n x\u00e1c. H\u00e3y theo d\u00f5i ch\u00fang t\u00f4i nh\u00e9!<\/p>\n
\u0110\u1ec3 bi\u1ebft t\u1ed5ng l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec, h\u00e3y c\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u kh\u00e1i ni\u1ec7m sau nh\u00e9!<\/p>\n
T\u1ed5ng l\u00f4 \u0111\u1ec1 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c con s\u1ed1 g\u1ed3m 2 ch\u1eef s\u1ed1. Khi ta c\u1ed9ng 2 ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 \u00f3 l\u1ea1i v\u1edbi nhau th\u00ec cho ra k\u1ebft qu\u1ea3 gi\u1ed1ng nh\u01b0 nhau. \u0110\u1ec3 cho b\u1ea1n d\u1ec5 h\u00ecnh dung v\u00e0 d\u1ec5 hi\u1ec3u h\u01a1n v\u1ec1 t\u1ed5ng l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec, ch\u00fang t\u00f4i s\u1ebd \u0111\u01b0a ra m\u1ed9t v\u00e0i v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n.<\/p>\n
V\u00ed d\u1ee5: Ta c\u00f3 s\u1ed1 31 v\u00e0 s\u1ed1 22 \u0111\u1ec1u c\u00f9ng n\u1eb1m trong t\u1ed5ng 4 b\u1edfi v\u00ec:\u00a03+1 = 4 v\u00e0 2+ 2=4<\/p>\n