题目内容
已知U={1,2,3,4},A={1,3,4},B={2,3,4},那么CU(A∪B)=
{1,2}
{1,2,3,4}
φ
{φ}
已知U={1,2,3,4,5,6,7,8},A∩(CUB)={1,8},(CUA)∩B={2,6},(CUA)∩(CUB)={4,7},则集合A=________.
已知U={1,2,3,4,5,6},A={1,3,5},求A,A∩A,A∪A.
已知U={1,2,3,4,5,6},集合A={2,3},集合B={3,5},则A∩(UB)=________.