| 脱式计算(能简算的要简算) 1.25×
|
| 4.28+
|
| 3 |
| 7 |
| 7 |
| 15 |
=(1.25×4)×(
| 3 |
| 7 |
| 7 |
| 15 |
=5×
| 1 |
| 5 |
=1;
(2)
| 8 |
| 17 |
| 17 |
| 8 |
=
| 8 |
| 17 |
| 8 |
| 17 |
=(9-8)×
| 8 |
| 17 |
=1×
| 8 |
| 17 |
=
| 8 |
| 17 |
(3)4.28+
| 3 |
| 4 |
| 1 |
| 4 |
=(4.28+5.72)+(
| 3 |
| 4 |
| 1 |
| 4 |
=10+1,
=11.
编辑:chaxungu时间:2026-04-27 13:18:18分类:小学数学题库
| 脱式计算(能简算的要简算) 1.25×
|
| 4.28+
|
| 3 |
| 7 |
| 7 |
| 15 |
| 3 |
| 7 |
| 7 |
| 15 |
| 1 |
| 5 |
| 8 |
| 17 |
| 17 |
| 8 |
| 8 |
| 17 |
| 8 |
| 17 |
| 8 |
| 17 |
| 8 |
| 17 |
| 8 |
| 17 |
| 3 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |