| 能简算的要简算. (
|
| 15÷
|
| 4 |
| 7 |
| 21 |
| 10 |
=
| 4 |
| 7 |
| 21 |
| 10 |
=80+294,
=374;
(2)
| 5 |
| 8 |
| 7 |
| 12 |
| 7 |
| 10 |
=
| 5 |
| 8 |
| 12 |
| 7 |
| 10 |
| 7 |
=
| 75 |
| 49 |
(3)15÷
| 9 |
| 10 |
| 3 |
| 5 |
=15×
| 10 |
| 9 |
| 3 |
| 5 |
=10.
编辑:chaxungu时间:2026-04-27 13:19:01分类:小学数学题库
| 能简算的要简算. (
|
| 15÷
|
| 4 |
| 7 |
| 21 |
| 10 |
| 4 |
| 7 |
| 21 |
| 10 |
| 5 |
| 8 |
| 7 |
| 12 |
| 7 |
| 10 |
| 5 |
| 8 |
| 12 |
| 7 |
| 10 |
| 7 |
| 75 |
| 49 |
| 9 |
| 10 |
| 3 |
| 5 |
| 10 |
| 9 |
| 3 |
| 5 |