问题
解答题
已知全集U={1,2,3,4,5,6,7,8},A={1,2,4,5},B={{2,3,6}.
求:A∩(CUB),B∪(CUA),(CUA)∩(CUB).
答案
∵全集U={1,2,3,4,5,6,7,8},A={1,2,4,5},B={{2,3,6},
∴CUB={1,4,5,7,8},CUA={3,6,7,8},
∴A∩(CUB)={1,4,5},
B∪(CUA)={2,3,6,7,8},
(CUA)∩(CUB)={7,8}.