题目
题型:单选题难度:一般来源:山西模拟
A.{2} | B.{4,6} | C.{l,3,5} | D.{4,6,7,8} |
答案
集合A={1,2,3,5},B={2,4,6},
∴CUA={4,6,7,8},
∴(CuA)∩B={4,6}.
故选B.
核心考点
试题【设全集U={1,2,3,4,5,6,7,8},集合A={1,2,3,5},B={2,4,6},则(CuA)∩B=( )A.{2}B.{4,6}C.{l,3,5】;主要考察你对集合运算等知识点的理解。[详细]
举一反三
A.φ | B.{2,4,7,8} | C.{1,3,5,6} | D.{2,4,6,8} |
A.{0,1} | B.{1} | C.{0,1,2} | D.ϕ |
题型:2x+1|>3},则M∩N=( )
A.(-3,-2]∪[1,2] | B.[-3,-2)∪(1,2] | C.(-3,-2)∪(1,+∞) | D.(-∞,-3)∪(1,2] |
A.{-1,-2,-3} | B.{0,1,2,3} | C.{2,3} | D.{0,-1,-2,-3} |