名校
1 . 已知不等式
的解集为集合A,集合
.
(1)若
,求
;
(2)若
,求实数
的取值范围;
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7e48dd3bc72004e6549a51c3d98ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65397186779d9205c93b1ba96145dadd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
2 . 已知全集
,集合
,
.
(1)若
,求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442be389c6471b36eff2652b75beb114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9607925e9edd5482fabdcb6d3a4d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6001de7ff4d09f756e62c14537e2b654.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac59877d187318610e6db3f2a926ad73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
3 . 设全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442be389c6471b36eff2652b75beb114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4475da9c1bd9c52ef994f0726ea2436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb134e08e9e5efaad3beed5032c8eb5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee4c2eefbf341789f8d40e326f4127c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 设集合
,则集合
与集合
的关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0d40f7cd50e839ba740ee2db4ab333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知
,集合
.则集合
中所有元素之和为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca72a26db57090bba9eb901e694195bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37013abe2917d3a92d070885a0c215f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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6 . 已知集合
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffb72ec059fb59242dd4a6b71ef418b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6467a43f0c67f468ada2a206190faef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1329849d66eda4d866c323eb90d896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb2f87452a6a5fe9dd73766b16d66bf.png)
A.-3 | B.-1 | C.1 | D.3 |
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名校
7 . 下列集合关系不成立的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dafc1612956e58136e2169e484379ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db826a9d9cb6add9168bf84e9c5e7c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5990fe8270a3cd33f089e889f68792db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d8ba265205c6a6e0bc7d845c386fba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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名校
10 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c64f49494fc75665382837946132b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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