用简便方法计算。
|
| (1)原式= 4.35+15.65+(8.6+1.4) =30 | (2)原式=19.32-(5.56+3.44) =10.32 |
| (3)原式=37.6-7.6-3.25 =26.75 | (4)原式=5.49-3.49+2.68 = 4.68 |
| (5)原式=6.27+1.73+3.83 =11.83 | (6)原式=8.4-8.4+3.5+3.5 =7 |
编辑:chaxungu时间:2026-04-27 13:34:03分类:小学数学题库
用简便方法计算。
|
| (1)原式= 4.35+15.65+(8.6+1.4) =30 | (2)原式=19.32-(5.56+3.44) =10.32 |
| (3)原式=37.6-7.6-3.25 =26.75 | (4)原式=5.49-3.49+2.68 = 4.68 |
| (5)原式=6.27+1.73+3.83 =11.83 | (6)原式=8.4-8.4+3.5+3.5 =7 |