1 . 在
,
,
,
(相邻两个1之间有1个0),
,这些数中,无理数的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb314180792c4216956a1cffc3de03b3.png)
![](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/2396de45314505258e95366c3eb7989e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab46ea0cba2d06283fae3d864a2329e0.png)
A.5 | B.2 | C.3 | D.4 |
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2 . 下列四个数中,是无理数的是( )
A.3.14 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-02更新
|
55次组卷
|
2卷引用:山东省济南市历下区济南历下区明德中学2023-2024学年八年级上学期10月月考数学试题
名校
3 . 在
,
,0,
,
,
,0.1010010001…(每相邻两个1之间0的个数依次增加1)这些数中,无理数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38538b55e326847ad8a9de381a545123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a1a7a04d4c10e7a45714482bfb58d.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
4 . 下列属于无理数的是( )
A.3.1415926 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 在实数
,
,0,
,
,
中,无理数的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba52cdbd29c6bc551b1dc64171d0551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11035ca16eb163c77796f569346be26d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a513008e55f460d9188c491374ab1919.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68e594212cf2a24501a758adfcae885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e3deb787fe0e831e736bef245a1caf.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
2023-10-28更新
|
119次组卷
|
4卷引用:山东省日照市东港区田家炳实验中学2023-2024学年七年级下学期4月月考数学试题
6 . 下列各数:3.141592,
,0.16,0.01,
,0.1010010001…,
,
,0.2,
中无理数的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47153fdd73c0661fa460130082e30929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68e594212cf2a24501a758adfcae885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1ab7f3314e8ec1582bbe96dfdf46a0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4cee6655a37fc8243928b5dbb09fd4.png)
A.2个 | B.3个 | C.4个 | D.5个 |
您最近一年使用:0次
2023-10-25更新
|
66次组卷
|
2卷引用:山东省枣庄市山亭区2023-2024学年八年级上学期10月月考数学试题
7 . 如图是一个无理数筛选器的工作流程图.
(1)当x为16时,y值为______;
(2)是否存在输入有意义的x值后,却输不出y值?如果存在,直接写出所有满足要求的x值;如果不存在,请说明理由;
(3)当输出的y值是
时,判断输入的x值是否唯一,如果不唯一,请直接写出其中的两个.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/24/c2a5065a-891f-4448-94c5-0a26c7740538.png?resizew=160)
(1)当x为16时,y值为______;
(2)是否存在输入有意义的x值后,却输不出y值?如果存在,直接写出所有满足要求的x值;如果不存在,请说明理由;
(3)当输出的y值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
2023-10-21更新
|
53次组卷
|
3卷引用:山东省泰安市宁阳县第十二中学2023-2024学年七年级上学期12月月考数学试题
名校
8 . 在下列各数中
,
,
,
,
,
(相邻两个2之间0的个数逐渐增加)是无理数的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705323c430cbefe485e48d6164419184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4cee6655a37fc8243928b5dbb09fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94de4f4d291d88b8209e2b054a0c16b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68e594212cf2a24501a758adfcae885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc6c9f60310a4543f9ea69fd5246b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd6f973750dacee40a1c039693243e3.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
名校
9 . 在下列各数:
中,无理数的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19689d0738334b8685405119fc6560e8.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
10 . 在
,
,
,
,
,
,
(它的位数无限且相邻两个“
”之间“
”的个数依次加
个)这
个数中,无理数有________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f3fae1304b36c0aa24d98d4ae0508b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bab6b713fbda8ca18c8109cec8b3056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4982d21119c07e836e614c37d97058fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33adb74906403b0b00fcbd9fa691d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ab99671f6aefc44e53da85d697f3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
您最近一年使用:0次