下列各数中,( )是无理数.
A.0 | B.-2 | C.![]() | D.0.4 |
19-20八年级上·河南郑州·期末 查看更多[3]
河南省郑州市2019-2020学年八年级上学期期末数学试题广东省深圳市深圳高级中学初中部2019-2020学年九年级下学期期中数学试题(已下线)专题08 期中模拟卷-【好题汇编】备战2023-2024学年七年级数学上学期期中真题分类汇编(苏科版)
更新时间:2020-02-26 20:17:13
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【推荐1】下列各数:0.101001……(每两个1之间增加一个0),
,
,
,
,
中,无理数有( )个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5be7821872c2f83d39ffaea5216d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde029ac94c601540583c64bc48c17bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646e0a8a80ed939e46bdaa54f3c2a248.png)
A.3 | B.4 | C.2 | D.1 |
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单选题
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较易
(0.85)
【推荐2】实数
,
,1010010001,
,
,
,
,中,无理数的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94de4f4d291d88b8209e2b054a0c16b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4cee6655a37fc8243928b5dbb09fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8deb3ffecd13e87e074f6c1ba562b873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68e594212cf2a24501a758adfcae885.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次