下列运算中,错误的是 ( )
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2017-07-23 20:59:54
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【推荐1】在实数
,
,0,
,
,
,0.1222122221…(相邻两个1之间依次多一个2),无理数的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734873a608f0c070dec80b89d179754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f233eba78dc8cb7efe086c09175f4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5be7821872c2f83d39ffaea5216d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
A.3 | B.4 | C.5 | D.6 |
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