用简便方法计算下面各题。
|
| (1)原式=3.27+5.73+1.44 =9+1.44 =10.44 | (2)原式=8.65-8.65+0.4+0.4 =0+0.4+0.4 =0.8 |
| (3)原式=0.27+7.73+2.7-1.7 =8+1 =9 | (4)原式= 4.33-(2.07+1.93) = 4.33-4 =0.33 |
编辑:chaxungu时间:2026-04-27 13:34:06分类:小学数学题库
用简便方法计算下面各题。
|
| (1)原式=3.27+5.73+1.44 =9+1.44 =10.44 | (2)原式=8.65-8.65+0.4+0.4 =0+0.4+0.4 =0.8 |
| (3)原式=0.27+7.73+2.7-1.7 =8+1 =9 | (4)原式= 4.33-(2.07+1.93) = 4.33-4 =0.33 |