设U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8},求CuA,CuB,(CuA)∩(CuB),(CuA)∪(CuB),Cu(A∪B),Cu(A∩B)

问题描述:

设U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8},求CuA,CuB,(CuA)∩(CuB),(CuA)∪(CuB),Cu(A∪B),Cu(A∩B)

CuA={1,2,6,7,8}
CuB={1,2,3,5,6}
(CuA)∩(CuB)={1,2,6}
(CuA)∪(CuB)={1,2,3,5,6,7,8}
Cu(A∪B)={1,2,6}
Cu(A∩B)={1,2,3,5,6,7,8}