1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2044fd0467f20793653bffcdc0fa507d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec723e07be1cb67c90355967d0af3e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知集合
,
.
(1)当
时,求集合
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a27ff28207bd10384f32dd15964b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c83643d7d0a51eccba7fc7c2895d106.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-12-13更新
|
829次组卷
|
3卷引用:甘肃省庆阳市陇东学院附属中学2021-2022学年高一上学期期末数学试题
3 . 设集合
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183f21cf2106943e08211f12cbf57cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-12-12更新
|
89次组卷
|
2卷引用:黑龙江省佳木斯市汤原县高级中学2021-2022学年高一上学期期末数学试题
名校
4 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c37e9e9616bc9201259152037c0d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ccbf1c8d47078c3c15bdcf4ff709a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-12-12更新
|
229次组卷
|
2卷引用:黑龙江省密山市第四中学2021-2022学年高一上学期期末数学试题
5 . 设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db736d465c955b7e10e435dca7855b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.{2} | B.{4,5} | C.{3,4} | D.{2,3} |
您最近一年使用:0次
6 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff0bc523567730fcb59bcd2a7c5e30b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a22f8d9188279429b395c30b2898ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37431eca3ae1686035e57208f985368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/162177bc558b4dff26ab47df17c5251a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d16ffb3755fc7a78ad3c987eb47cef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知全集
,
,
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7381ca8b06714255285d4760e74a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f0e502a03ff4b6a9f6fd29b8034992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c999961f2fb49118b079d5924375bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea05e1259d4747ead0aedca6b7c62ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次