解题方法
1 . 设全集为
,集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a4e6e1f9216c679584e815fa78c2bd.png)
(1)若
,求集合
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d08365e3a5ba1516c8734af89f3db59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a4e6e1f9216c679584e815fa78c2bd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00c57e4a79cde3635bcbce53c96d952.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-01-12更新
|
391次组卷
|
3卷引用:上海市嘉定区2023-2024学年高一上学期期末考试数学试卷
2 . 已知集合
与集合
,求集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee8df7c3adef989ffa8cf841e7bf93f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f931fcb9f2a5be13ad22c1a153791676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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2023-12-16更新
|
1056次组卷
|
5卷引用:上海市嘉定区2024届高三上学期质量调研数学试题
3 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118ea9906fc65e1402f4060e577dfd8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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名校
4 . 已知集合P,Q中都至少有两个元素,并且满足下列条件:①集合P,Q中的元素都为正数;②对于任意
,都有
;③对于任意
,都有
;则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b82c42ec78d9ecdb114890a9196a9990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e05f2c2a07c4ff99845b93abe2a105b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42b302f719ebf234c3b55e9b30e36ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb92c63325f30e1615840e34e8ae9c22.png)
A.若P有2个元素,则Q有3个元素 |
B.若P有2个元素,则![]() |
C.若P有2个元素,则![]() |
D.存在满足条件且有3个元素的集合P |
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名校
解题方法
5 . 已知
,关于x的不等式组
没有实数解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7cfada8fd642ddf968bfd4228d48ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a375237b5cbca3d8037ade210aaa6583.png)
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名校
6 . 已知集合
,集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e8d171c3d2d86dc5594cffb51096fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83ac065c29bbb0830f61d3a693e7c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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2023-11-18更新
|
254次组卷
|
2卷引用:上海市嘉定区第一中学2023-2024学年高三上学期期中考试数学试卷
解题方法
7 . 设集合
,
.
(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/680ebd425c4a096403e9c0a6491aaa83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52bd22c9f32beb1097c4b2206a86597.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d975345b0f31bb2c560693c7d6c0374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc887a6c34c3e2f859e6a59a9ed4cac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
8 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35cfcbd43b12d0bf55cf3cd9c1e934e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786876e8a268b38e7abcda4e53d9349b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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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/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf1803e9e2187719584015d5d14a219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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10 . 已知
,
,
则下列各式中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f9085c274c465a4b0b5e6b33b6821c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57354223afb499824be30a28c3d027d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2064e7fee93aba377ebdb605dcfb2d93.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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