题目内容
把下面各循环小数化成分数:0.
,0.
4
,0.3
.
| . |
| 7 |
| . |
| 1 |
| . |
| 7 |
| . |
| 1 |
| . |
| 8 |
:0.
=
,
0.
4
=
,
0.3
=
.
| . |
| 7 |
| 7 |
| 9 |
0.
| . |
| 1 |
| . |
| 7 |
| 147 |
| 999 |
0.3
| . |
| 1 |
| . |
| 8 |
| 7 |
| 22 |
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题目内容
| . |
| 7 |
| . |
| 1 |
| . |
| 7 |
| . |
| 1 |
| . |
| 8 |
| . |
| 7 |
| 7 |
| 9 |
| . |
| 1 |
| . |
| 7 |
| 147 |
| 999 |
| . |
| 1 |
| . |
| 8 |
| 7 |
| 22 |