题目内容
在
,3.1,-3,
,0.8080080008…,
,
,
,
,-
,
,
,中无理数的个数有______个.
| π |
| 2 |
|
| 1 |
| 4 |
| 2 |
| 22 |
| 7 |
| 3 | 8 |
| 5 |
| 2 |
| 36 |
| 3 | 25 |
∵
=
,
=2,
=6,
∴在
,3.1,-3,
,0.8080080008…,
,
,
,
,-
,
,
中无理数有
,0.8080080008…,
,
.
故答案为4.
|
| 2 |
| 3 |
| 3 | 8 |
| 36 |
∴在
| π |
| 2 |
|
| 1 |
| 4 |
| 2 |
| 22 |
| 7 |
| 3 | 8 |
| 5 |
| 2 |
| 36 |
| 3 | 25 |
| π |
| 2 |
| 2 |
| 3 | 25 |
故答案为4.
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