计算:
=___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e79ab0a8d11756d6b5868ffff90c2b2.png)
更新时间:2021-07-21 18:13:45
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【推荐1】在实数
,
,0,
,
,
(每两个2之间依次多一个1)中,无理数共有_________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60250bc9c82a516f101a3dc6e1eb2c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b349899258f7e34779a465212d6bcf48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfa52f02d7839b0b15113e16b9e9c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbab208790c6dbc63c778de1d49f6b43.png)
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