题干
直接写出得数
+
=____
−
=____
×
=____
÷
=____
| 1 |
| 3 |
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 8 |
| 5 |
| 9 |
| 3 |
| 4 |
| 7 |
| 2 |
| 5 |
