【题文】已知集合M={x|x<3,N={x|},则M∩N=( )A.B.{x|0<x<3C.{x|1<x<3D.{x|2<x<3
【题文】已知集合M={x|x<3,N={x|},则M∩N=( )A.B.{x|0<x<3C.{x|1<x<3D.{x|2<x<3
题型:难度:来源:
答案
【答案】D
解析
【解析】本题主要考查的是集合运算。由条件可知,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120924-16256.png)
,所以
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120924-82264.png)
,应选D。
举一反三
【题文】集合M={x|
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120846-42205.png)
}, N={
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120847-13629.png)
}, 则 M
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120847-91976.png)
N = ( )
A.{0} | B.{2} | C.![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120847-96799.png) | D. {![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120847-39322.png) |
【题文】集合M={x|
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120836-30997.png)
}, N={
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120836-88944.png)
}, 则 M
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120837-35312.png)
N = ( )
A.{0} | B.{2} | C.![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120837-61478.png) | D. {![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120837-25546.png) |
【题文】已知
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120819-71827.gif)
的元素个数为( )
【题文】已知
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323120816-72205.gif)
的元素个数为( )
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