名校
解题方法
1 . 设
,则“
”是“复数
为纯虚数”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fd29b47c7a03c8e61c8489bbce8d09.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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解题方法
2 . 已知集合
,
.
(1)若
,求
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3a8ec8d0fc97bbbb2e81ed9e4600a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e3bd44b6500dffa8658e865a0f466f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318212b9ba5866ba3fd6f4327526443f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
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2023-10-10更新
|
322次组卷
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2卷引用:黑龙江省双鸭山市第一中学2023-2024学年高一上学期10月月考数学试题
名校
3 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3bade8dcab1de44bd931533eb72026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff29596df9c866dbedac54ba318c367f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-10-10更新
|
354次组卷
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5卷引用:黑龙江省双鸭山市第一中学2023-2024学年高一上学期10月月考数学试题
名校
解题方法
4 . 已知集合
,
,若
,则实数s的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c092e2843d98e3e5b87a528de9b873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a404c5a8d20d895371d6124266f02347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0d79fd0efdb59c9ca65bfae4a0861.png)
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解题方法
5 . 当
时,使得不等式
恒成立的充分不必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1864b98153200f5929787295de2c1e38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9bd06dbb60db9ef56db0d694505330.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 设
,
,若
,求实数
组成的集合的子集个数为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc89393263f1dda20245c53968d63264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e72fdaba6dc547019539045e9c967c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-10更新
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3卷引用:黑龙江省哈尔滨市哈尔滨师范大学附属中学2023-2024学年高一上学期10月月考数学试题
名校
解题方法
7 . 已知集合
,
,
.
(1)若
,求
、
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d770df98a19fa0b9c761f9e05e489d2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e482d9fd3c603a50ed0300959190a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a2f3c382d3aeee58219dc46c20fb3f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d0acbfdb43bd9dce60e7826e228079.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
8 . 已知集合
,
.
(1)若“命题
,
”是真命题,求
的取值范围;
(2)若“命题
,
”是真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398d73399ea171151c9fbdb76d463f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e680215423cfac837b6a4a686bb117.png)
(1)若“命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4578d7793d57fb50b410ccfe82e33ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398d73399ea171151c9fbdb76d463f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若“命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7065018812b1bde2b1b3c53b450091e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
9 . 已知集合
,则集合
的子集的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b9c8f1edbbdbf761fd17f21eeb4cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.7 | B.8 | C.15 | D.16 |
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名校
10 . 若全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8beabc661f63a7451b3279b3dd28d078.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9073dd20c93b41c8959c2d8de5dc63dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-10-10更新
|
201次组卷
|
2卷引用:黑龙江省佳木斯市第八中学2023-2024学年高一上学期10月月考数学试题