【题文】已知集合M= ,集合,则=( )A.B.C.D.
【题文】已知集合M= ,集合,则=( )A.B.C.D.
题型:难度:来源:
答案
【答案】D
解析
【解析】M为数集,N为点集,显然交集为空集.
举一反三
【题文】已知集合
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054932-17107.png)
,全集
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054933-54147.png)
,则下列结论正确的是 ( )
【题文】已知集合
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054926-45818.png)
,全集
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054927-68636.png)
,则下列结论正确的是 ( )
【题文】已知全集
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054912-79825.png)
,集合
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054912-89617.png)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054912-29546.png)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054913-40437.png)
为( )
A. {1,2,4} | B. {2,3,4} | C. {0,2,4} | D. {0,2,3,4} |
【题文】已知全集
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054906-25962.png)
,集合
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054906-26420.png)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054907-19947.png)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054907-74089.png)
为( )
A. {1,2,4} | B. {2,3,4} | C. {0,2,4} | D. {0,2,3,4} |
【题文】设集合
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054857-77503.png)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323054858-21542.png)
( )
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