简便计算
|
| (1)原式=26.67+2.33+(72.8+4.2) =106 | (2)原式=125×8×19 =19000 | (3)原式=300+75-(123+77) =175 |
| (4)原式=200÷50 =4 | (5)原式=1.6×(17+82+1) =160 | (6)原式=(165+245)×6 =2460 |
编辑:chaxungu时间:2026-04-27 13:19:57分类:小学数学题库
简便计算
|
| (1)原式=26.67+2.33+(72.8+4.2) =106 | (2)原式=125×8×19 =19000 | (3)原式=300+75-(123+77) =175 |
| (4)原式=200÷50 =4 | (5)原式=1.6×(17+82+1) =160 | (6)原式=(165+245)×6 =2460 |