题目内容
把下面的分数化成分母是10而大小不变的分数．
．
| 1 |
| 2 |
| 2 |
| 5 |
| 12 |
| 40 |
| 56 |
| 80 |
| 1 |
| 2 |
| 1×5 |
| 2×5 |
| 5 |
| 10 |
| 2 |
| 5 |
| 2×2 |
| 5×2 |
| 4 |
| 10 |
| 12 |
| 40 |
| 12÷4 |
| 40÷4 |
| 3 |
| 10 |
| 56 |
| 80 |
| 56÷8 |
| 80÷8 |
| 7 |
| 10 |
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| 1 |
| 2 |
| 2 |
| 5 |
| 12 |
| 40 |
| 56 |
| 80 |
| 1 |
| 2 |
| 1×5 |
| 2×5 |
| 5 |
| 10 |
| 2 |
| 5 |
| 2×2 |
| 5×2 |
| 4 |
| 10 |
| 12 |
| 40 |
| 12÷4 |
| 40÷4 |
| 3 |
| 10 |
| 56 |
| 80 |
| 56÷8 |
| 80÷8 |
| 7 |
| 10 |
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