1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5194b1f36c896444cd5be97112947a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff7b1deb48b3f5796d9ec0daedf0d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bcbe183ab213930233199b4139df53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8045139ae87308b87aafcea294ea608b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fea64719eced27b183746652e2ee3d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831b46193f6f52b79311e33db5f9a291.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
4 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f700573c7e60ff928def9521c345e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f54b7a6bb8d28ca5dc9a2aa9b60762.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2019-11-17更新
|
331次组卷
|
3卷引用:云南省楚雄彝族自治州2019-2020学年高二上学期期中数学(理)试题
名校
6 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18aad46cc948005b5d62a76e190f395d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e83f0e1c5e96f4e6b37e74d308bc87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-02-14更新
|
718次组卷
|
3卷引用:云南省大理市下关第一中学2019-2020学年高二上学期期中考试数学试题