【题文】集合,。若,则的值为:A.0B.1C.2D.4
【题文】集合,。若,则的值为:A.0B.1C.2D.4
题型:难度:来源:
【题文】集合
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134704-28294.gif)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134704-75532.gif)
。若
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134704-79294.gif)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134704-32509.gif)
的值为:
A.0![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134704-92413.gif) ![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134704-92413.gif) | B.1 | C.2 | D.4 |
答案
【答案】D
解析
【解析】略
举一反三
【题文】设
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134658-96634.gif)
和
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134659-62408.gif)
都是元素为向量的集合,则
M∩
N=
▲ .
【题文】集合
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134649-67883.gif)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134649-83475.gif)
。若
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134649-14839.gif)
,则
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134650-97764.gif)
的值为:
A.0![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134651-15546.gif) ![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134651-15546.gif) | B.1 | C.2 | D.4 |
【题文】 已知集合A={x|x<-1或x>5},
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134643-11302.gif)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134643-35167.gif)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134644-57922.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134644-37786.gif)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134644-50817.gif)
(2) 若
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134644-11663.gif)
,求实数
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134644-44762.gif)
的取值范围
【题文】 已知集合A={x|x<-1或x>5},
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134637-98800.gif)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134638-52596.gif)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134638-29369.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134638-95665.gif)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134639-64946.gif)
(2) 若
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134639-19774.gif)
,求实数
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323134639-31421.gif)
的取值范围
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