【题文】已知集合,则集合=( )A.B.C.D.
【题文】已知集合,则集合=( )A.B.C.D.
题型:难度:来源:
【题文】已知集合
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051802-36633.png)
,则集合
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051802-52688.png)
=( )
答案
【答案】D
解析
【解析】
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051803-62536.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051804-16597.png)
故选D
举一反三
【题文】函数
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051651-50934.gif)
的单调增区间是 .
【题文】已知集合
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051640-77287.png)
,则E
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051640-48217.png)
与F的关系是( )
【题文】若集合{1,a,
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051630-24086.png)
}={0,a
2,a+b},则a
2010+b
2011的值为 ( )
【题文】若A、B、C为三个集合,
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051615-42253.png)
,则一定有 ( )
(A)
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051615-11455.png)
(B)
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051616-32870.png)
(C)
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051616-79503.png)
(D)
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051616-92793.png)
【题文】若集合A满足
![](http://img.shitiku.com.cn/uploads/allimg/20200314/20200314051528-12947.gif)
,则集合A=
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