1 . 已知集合
,
,若
,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856ab25c5846b6e66bb06b643385fb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2111930bbea930616b568427e91b92f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e6a2011eae63d9f3fd3b460bfe327e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:2016-2017学年河北涞水波峰中学高一9月月考数学试卷
解题方法
2 . 设集合
,B={x|
<1},
.
(1)求
;
(2)若
,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572410572087296/1572410577395712/STEM/91da22e8f8584219b39044c01a2c0f35.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572410572087296/1572410577395712/STEM/15ac548da061424cbaaa773b5c19bfba.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572410572087296/1572410577395712/STEM/119ddd08bdb8472a99ca2cc2df78dfff.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572410572087296/1572410577395712/STEM/0a2e73498cc94e3b9ded4091244d683f.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572410572087296/1572410577395712/STEM/a4d1429b0ac8413ba61adfb62776a9b0.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572410572087296/1572410577395712/STEM/1d7f494e7b51402ca7e3d4a0d946ee83.png)
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2卷引用:2015-2016学年河北省定州中学高一下期中数学试卷
14-15高一上·广东佛山·阶段练习
名校
3 . 已知全集U={1,2,3,4},集合
是它的子集,
(1)求
;(2)若
=B,求
的值;(3)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d04d81c06629b8a71b9acfca8ad3b73.png)
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8595ecdd9498795e211501bedcf4ae.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a191309dcecdc978029cc2542e6ad82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d259db9bb0e132881e875a77d324057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d04d81c06629b8a71b9acfca8ad3b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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4卷引用:河北省定州中学2017-2018学年高一上学期开学考试数学试题
河北省定州中学2017-2018学年高一上学期开学考试数学试题(已下线)2013-2014学年广东省顺德市勒流中学高一上学期第2段考数学试卷贵州省贵阳市清镇养正学校2019-2020学年高一上学期第一次月考数学试题(已下线)2013-2014学年辽宁省抚顺市六校高二下学期期末考试文科数学试卷
2014·陕西西安·一模
4 . 函数f(x)=
的定义域为集合
,关于
的不等式
的解集为
,求使
的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00721c1c43240a29073652026067e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a252f73bd92de0afec60359b0909d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5ef7cc3d811acb909f8920130fbbd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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12-13高二下·浙江嘉兴·期中
名校
5 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c611edf99406bec633307f75072828.png)
(1)若
,求实数
的值;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153032825e7f4aa3ef3917bed159b039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c611edf99406bec633307f75072828.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0717127049889bdf831ad9e96efbe6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a34c3e18fe94ccbb48c8ebe702b6ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5卷引用:河北省保定市定州市2019-2020学年高一上学期期中数学试题
河北省保定市定州市2019-2020学年高一上学期期中数学试题河北省石家庄市第二中学2019-2020学年高一上学期9月月考数学试题(已下线)2012-2013学年浙江省桐乡一中高二下学期期中考试数学文科试卷(已下线)2013届重庆市铜梁中学高三上学期第三次月考理科数学试卷北京名校2023届高三一轮总复习 第1章 集合与简易逻辑 1.1 集合的基本概念和基本关系