题目内容
(请给出正确答案)
[单选题]
全集U={1,2,3,4,5,6},集合A={1,3,5},则集合A的补集是()
A.{2,4,6}
B.{1,2,3,4,5,6}
C.{1,3,5}
D.{1,2,4}
答案
A、{2,4,6}
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A.{2,4,6}
B.{1,2,3,4,5,6}
C.{1,3,5}
D.{1,2,4}
A、{2,4,6}
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}
设集合M={1,2,3,4,5},集合N={2,4,6},集合T={4,5,6},则(M ∩ T)U N是 () (A){2,4,6} (B){4,5,6} (C){1,2,3,4,5,6} (D){2,4,5,6}
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}
设集合 M ={1,2,3,4,5},N = {2,4,6},则 M∩N =()。
A.{2,4}
B.{2,4,6}
C.{1,3,5}
D.{1,2,3,4,5,6}
设集合M={1,2,3,4,5},N={2,4,6},T={4,5,6},则(M∩T)∪N()
A.{4,5,6}
B.{2,4,5,6}
C.{1,2,3,4,5,6}
D.{2,4,6}
设集合M={x|x≥-3},N={x|x≤1},则MnN=()
A.R
B.(-∞,-3]u[1,+∞)
C.[一3,1]
D.φ
设集合M={x|x≥-3},N={x|x≤1},则 M ∩ N=() (A)R (B)(-∞,-3]u[1,+∞) (C)[-3,-1] (D)φ