![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
已知全集U={1,2,3,4},集合A={1,2,x2}与B={1,4}是它的子集.若A∩B=B,则x=()
A.x=2或-2
B.x=2
C.x=4
D.x=-4
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
A、x=2或-2
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.x=2或-2
B.x=2
C.x=4
D.x=-4
A、x=2或-2
A.{1,2}
B.{5}
C.{1,2,3}
D.{3,4,6}
A.{0,2,3,6}
B.{ 0,3,6}
C.{2,1,5,8}
D.0
设全集U={0,1,2,3},集合M={0,1,2},N={0,2,3},则M∩CuN=()
A.空集
B.{1}
C.{0,1,2}
D.{2,3}
设全集为U=R,集合A={x|x≥-2},集合B={x|x<3},则CvA∩B的集合为
A.{x|-2≤x<3}
B.{x|x≤-2}
C.{x|x<3}
D.{x|x<-2}