计算下面各题,能简算的要简算。
|
| (1)原式=6.75-(2.9+3.1) =6.75-6 =0.75 | (2)原式=125×(860+20) =125×8×110 =110000 |
| (3)原式=23.61-3.61+5.7 =20+5.7 =25.7 | (4)原式= 45×(37+73-10) = 45×100 = 4500 |
编辑:chaxungu时间:2026-04-27 13:25:09分类:小学数学题库
计算下面各题,能简算的要简算。
|
| (1)原式=6.75-(2.9+3.1) =6.75-6 =0.75 | (2)原式=125×(860+20) =125×8×110 =110000 |
| (3)原式=23.61-3.61+5.7 =20+5.7 =25.7 | (4)原式= 45×(37+73-10) = 45×100 = 4500 |