题目内容
实数
,4.5,-
,0.1010010001…,
,3.1415,
,
中,无理数有______个.
| 3 |
| 9 |
| 3 | 27 |
| ||
| 2 |
| π |
| 2 |
-
=-3,
=3,
所给数据中无理数有:
,0.1010010001…,
,
,共4个.
故答案为:4.
| 9 |
| 3 | 27 |
所给数据中无理数有:
| 3 |
| ||
| 2 |
| π |
| 2 |
故答案为:4.
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题目内容
| 3 |
| 9 |
| 3 | 27 |
| ||
| 2 |
| π |
| 2 |
| 9 |
| 3 | 27 |
| 3 |
| ||
| 2 |
| π |
| 2 |