题目内容
分数单位是
的最简真分数有______个,它们的和是______.
| 1 |
| 8 |
分数单位是
的最简真分数有:
,
,
,
,共有4个;
+
+
+
=2;
故答案为:4,2.
| 1 |
| 8 |
| 1 |
| 8 |
| 3 |
| 8 |
| 5 |
| 8 |
| 7 |
| 8 |
| 1 |
| 8 |
| 3 |
| 8 |
| 5 |
| 8 |
| 7 |
| 8 |
故答案为:4,2.
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