名校
解题方法
1 . 已知集合
.
(1)求
;
(2)若
,且
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2505cf7f3b7300b0ac38d1840f5d6dba.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551fd8cd8ea61d794c13074ccd7d6c4e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02907bb80bd840948bc9b25c3c680323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfae4a61a2a070221013ccfb97d2720.png)
您最近一年使用:0次
名校
解题方法
2 . 若集合
,
,
,则图中阴影部分表示的集合的子集个数为( )
![](https://img.xkw.com/dksih/QBM/2021/3/5/2671277929529344/2672706905317376/STEM/1e95a80c-4bd5-4f68-b9e6-19c4598b445b.png?resizew=198)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4f59a3fd052f229e79e5aefa517913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed0081de4e04574dd0884c4e6077fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32a2544163d4abe8e32b15d12f8fa5b.png)
![](https://img.xkw.com/dksih/QBM/2021/3/5/2671277929529344/2672706905317376/STEM/1e95a80c-4bd5-4f68-b9e6-19c4598b445b.png?resizew=198)
A.3 | B.4 | C.7 | D.8 |
您最近一年使用:0次
2021-03-07更新
|
529次组卷
|
4卷引用:福建省厦门第一中学2021-2022学年高一10月数学限时训练(数竞一试)试题