题目内容
圈出最简分数，并把其余的分数约分．
．
| 5 |
| 7 |
| 12 |
| 20 |
| 3 |
| 5 |
| 12 |
| 36 |
| 13 |
| 39 |
| 6 |
| 27 |
| 30 |
| 40 |
| 6 |
| 7 |
| 12 |
| 20 |
| 3 |
| 5 |
| 12 |
| 36 |
| 1 |
| 3 |
| 13 |
| 39 |
| 1 |
| 3 |
| 6 |
| 27 |
| 2 |
| 9 |
| 30 |
| 40 |
| 3 |
| 4 |
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题目内容
| 5 |
| 7 |
| 12 |
| 20 |
| 3 |
| 5 |
| 12 |
| 36 |
| 13 |
| 39 |
| 6 |
| 27 |
| 30 |
| 40 |
| 6 |
| 7 |
| 12 |
| 20 |
| 3 |
| 5 |
| 12 |
| 36 |
| 1 |
| 3 |
| 13 |
| 39 |
| 1 |
| 3 |
| 6 |
| 27 |
| 2 |
| 9 |
| 30 |
| 40 |
| 3 |
| 4 |
．
