题目内容
口算．
÷
=
1÷
=
×2=
12×
=
÷
=
×
=
÷
=
÷
=
2÷
=
×
÷
×
=
| 5 |
| 8 |
| 5 |
| 12 |
1÷
| 3 |
| 7 |
| 1 |
| 8 |
12×
| 3 |
| 8 |
| 8 |
| 25 |
| 4 |
| 5 |
| 2 |
| 11 |
| 11 |
| 4 |
| 4 |
| 9 |
| 3 |
| 5 |
| 4 |
| 5 |
| 3 |
| 5 |
2÷
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 5 |
| 8 |
| 5 |
| 12 |
| 3 |
| 2 |
1÷
| 3 |
| 7 |
| 7 |
| 3 |
| 1 |
| 8 |
| 1 |
| 4 |
12×
| 3 |
| 8 |
| 9 |
| 2 |
| 8 |
| 25 |
| 4 |
| 5 |
| 2 |
| 5 |
| 2 |
| 11 |
| 11 |
| 4 |
| 1 |
| 2 |
| 4 |
| 9 |
| 3 |
| 5 |
| 20 |
| 27 |
| 4 |
| 5 |
| 3 |
| 5 |
| 4 |
| 3 |
2÷
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 16 |
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