计算下面各题,能简算的要简算。
|
| (1)原式=18.3+21.7-(9.928+3.072) = 40-13 =27 | (2)原式=2.8×(100-1) =280-2.8 =277.2 |
| (3)原式=57.6÷0.0144 = 4000 | (4)原式=(11.5+7.5-19)÷9.5 =0 |
编辑:chaxungu时间:2026-04-27 13:34:06分类:小学数学题库
计算下面各题,能简算的要简算。
|
| (1)原式=18.3+21.7-(9.928+3.072) = 40-13 =27 | (2)原式=2.8×(100-1) =280-2.8 =277.2 |
| (3)原式=57.6÷0.0144 = 4000 | (4)原式=(11.5+7.5-19)÷9.5 =0 |