1 . 若非空集合
,
,则能使
成立的所有
的集合是.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab61a1d7dc6336ac10a747a86a646725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca2526568c99b418dc8cfad1ba4b574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee119ade13857c93a4709eb72874daf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-11-10更新
|
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4卷引用:山东省济宁邹城市第一中学2020-2021学年高一10月月考数学试题
名校
2 . 已知集合A={x|-2<x<0},B={x|y=
}
(1)求(∁RA)∩B;
(2)若集合C={x|a<x<2a+1}且C⊆A,求a的取值范围.
![](https://img.xkw.com/dksih/QBM/2017/10/13/1794267787419648/1794430883053568/STEM/0bf6c87860494244a1d05ce24116f1dc.png?resizew=36)
(1)求(∁RA)∩B;
(2)若集合C={x|a<x<2a+1}且C⊆A,求a的取值范围.
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2017-10-13更新
|
748次组卷
|
3卷引用:山东省菏泽第一中学2017-2018学年高一上学期第一次月考数学试题
解题方法
3 . 已知集合
,
,若
,则实数
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f65336695f80a1fe2a7838a3ae17c51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf10f043e3237b40e904b6b352f8ff9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-04更新
|
330次组卷
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3卷引用:2016-2017学年山东蒙阴县一中高一9月摸底考试数学试卷
13-14高一上·山东临沂·阶段练习
4 . 已知集合
,集合
,若
,那么
的值是
![](https://img.xkw.com/dksih/QBM/2013/7/8/1571266635636736/1571266641018880/STEM/7919e7adbe834e1785053d246654f316.png)
![](https://img.xkw.com/dksih/QBM/2013/7/8/1571266635636736/1571266641018880/STEM/2d929efbaf984f66bff81cc8139bfaab.png)
![](https://img.xkw.com/dksih/QBM/2013/7/8/1571266635636736/1571266641018880/STEM/3f23f73ac44948a985ceeaffb7a83da0.png)
![](https://img.xkw.com/dksih/QBM/2013/7/8/1571266635636736/1571266641018880/STEM/f4d0f8a05841421d8ef552aa4119cec8.png)
A.1 | B.-1 | C.1或-1 | D.0,1或-1 |
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2016-12-02更新
|
1163次组卷
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3卷引用:2012-2013学年山东省临沂十八中高一10月月考数学试卷
10-11高二下·吉林长春·期末
解题方法
5 . 已知
,若
,则适合条件的实数
的取值集合![](https://img.xkw.com/dksih/QBM/2011/7/27/1570275371458560/1570275376750592/STEM/d9a9e5017f8f436f8452a43617002079.png?resizew=28)
___________ .
![](https://img.xkw.com/dksih/QBM/2011/7/27/1570275371458560/1570275376750592/STEM/9423a13deb5249f7a204ff118c999c45.png?resizew=275)
![](https://img.xkw.com/dksih/QBM/2011/7/27/1570275371458560/1570275376750592/STEM/a0b82204a0d347d3857eaf23bb233a57.png?resizew=53)
![](https://img.xkw.com/dksih/QBM/2011/7/27/1570275371458560/1570275376750592/STEM/91ecf06a28a748e884ea3db075804c8d.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2011/7/27/1570275371458560/1570275376750592/STEM/d9a9e5017f8f436f8452a43617002079.png?resizew=28)
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11-12高一·全国·课后作业
6 . 已知
,若
则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984bc767389aeed1aae4cd78097415d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00d4a3172557eabcabf3ce090aa41e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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11-12高一上·吉林长春·期中
解题方法
7 . 已知集合
,若
,则实数
的取值范围是___
![](https://img.xkw.com/dksih/QBM/2011/12/1/1570552820432896/1570552825741312/STEM/f69c9b8cbb674a6f8977ad5466dd4e7e.png?resizew=126)
![](https://img.xkw.com/dksih/QBM/2011/12/1/1570552820432896/1570552825741312/STEM/d67ec8bd8c234cd7b142d98ddb5236fb.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2011/12/1/1570552820432896/1570552825741312/STEM/e249d1c7fdd74918b87d93b71e46a947.png?resizew=13)
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