名校
1 . 下列说法不正确的是( )
A.已知![]() ![]() ![]() ![]() ![]() |
B.不等式![]() ![]() ![]() |
C.命题![]() ![]() |
D.不等式![]() ![]() ![]() |
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2024-03-21更新
|
740次组卷
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3卷引用:江苏省扬州市第一中学2023-2024学年高二下学期5月教学质量调研评估数学试题
2 . 已知集合
,
.若
,则实数
可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce589eb446a67040164df17a617ff9d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51c26feef99c2967c9ba122e3f12627.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0d79fd0efdb59c9ca65bfae4a0861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.0 | B.![]() | C.1 | D.2 |
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3 . 已知
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59cff21f91afd59bdab1f8a69113f4e1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-02-12更新
|
88次组卷
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2卷引用:广西百色市平果市铝城中学2023-2024学年高二下学期4月月考测试数学试卷
解题方法
4 . 设
为实数,
,
,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93b9279f229a7aad112b3644e48b050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.0 | B.1 | C.2 | D.3 |
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解题方法
5 . 设集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013e7ee223b18833ee9c3902fb759011.png)
(1)若
,试判断集合
与
的关系;
(2)若
,求
的值组成的集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013e7ee223b18833ee9c3902fb759011.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2024-01-24更新
|
339次组卷
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名校
6 . 已知集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9816f13bb0e69ab97203b463a3feaa2b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知集合
,
,
.
(1)若
时,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c25e44edd0d86032d2f501944f2a4434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94540a0f78c2525d9a37db3d283358de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660683eacfb0d1ad6a2fde9ea61b0a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-04-24更新
|
654次组卷
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3卷引用:河北省保定市定州中学2023-2024学年高二下学期五月半月考数学试题
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解题方法
8 . 下列说法正确的有( )
A.函数![]() ![]() |
B.“![]() ![]() |
C.“![]() ![]() ![]() |
D.已知集合![]() ![]() ![]() ![]() ![]() ![]() |
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2023-11-15更新
|
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2卷引用:辽宁省大连市第十二中学2023-2024学年高二下学期6月份学情反馈数学试卷
2022高一上·全国·专题练习
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解题方法
9 . 已知集合
,
或
.
(1)当
时,求
;
(2)若
,且“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ceff9240cf9f42a74efe5beef5c0c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1509228b43b9c3c5eb34ac2a7cc2ce11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074a2025262fb224ccab1efd1c8c992b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9dccb0f3cdcca85ed41ca903d5b9d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
10 . 已知集合
,集合
.
(1)若
,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3049af050759a54176d91fd540a90d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d4218ecbad0ec5411cdb9e30085bc7.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/04ceb1f338fa60976229d7ec6531b626.png)
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2023-10-22更新
|
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