实数
,
,
,
,
中,无理数的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13ce3ebd1112220c639562739f1f9d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7412fd1be21e4eaf388963a82ac2b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68e594212cf2a24501a758adfcae885.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-01-23 09:23:20
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【推荐2】在-1.414,
,
,3.14,2
,3.212212221…这些数中,无理数的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9935c4088e7b1e4a18439325db38f2d5.png)
A.2 | B.3 | C.4 | D.5 |
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