名校
1 . 已知集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992ba313b68a746d83a8ddbdd787579b.png)
(1)求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4513380983f89f94e972291eb41a0742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992ba313b68a746d83a8ddbdd787579b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3516cead1976248defbf1ffe368170.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
您最近一年使用:0次
2020-11-30更新
|
297次组卷
|
3卷引用:海南省海口市琼山中学2020—2021学年高一上学期第五次测试数学试题
名校
2 . 集合
,则集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca6e1940ecd47acff8d97ab0ae86171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fcebe1eec31ba8fa6ee07fff39b117f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca6e1940ecd47acff8d97ab0ae86171.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-14更新
|
319次组卷
|
2卷引用:海南省海南中学2019-2020学年高一上学期期末数学试题
3 . 已知集合
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ebdaeba45dca1ac155709e05e4e71b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbe8a971b31cc5cc28d7838817448a1.png)
您最近一年使用:0次
4 . 集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340c399fc345bd6b27c1eef259c2c79b.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6017ada61ba78ef54a797d6bb1cefe88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340c399fc345bd6b27c1eef259c2c79b.png)
您最近一年使用:0次
5 . 设集合
或
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7274c060fda18844586921d8e1e87d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28cdbf4bef583116fc1cf3ce0ee09f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc12c6b371f622e48961641f0d3150b8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f50c0ac698356e377edf39c105aa0e3.png)
您最近一年使用:0次
2019-10-21更新
|
213次组卷
|
3卷引用:海南省东方市八所中学2019-2020学年高一上学期第一次月考数学试题