集合
,若
,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf35df5fe293d4af252a10293dbbc1a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-11-06 17:04:26
|
相似题推荐
单选题
|
较易
(0.85)
名校
【推荐1】已知集合
,
,且
,则m的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d98b5acc1c4d1f4d8c847b2a17de01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc073b069233d3bc89849523a7241fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
A.![]() | B.![]() |
C.0、![]() ![]() | D.0 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】设集合
且
,则
值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e162f4b516fcd51add4f242dfe1c5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93e958805ffcb6e432d562f757ead8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1或-2 | B.0或1 | C.0或-2 | D.0或1或-2 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
解题方法
【推荐2】已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26cb7961d2d6957cfd6b4af403450e5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb1e2b52250f3b5d3c662839a7200d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次