题目内容
已知集合U={1,2,3,4,5},A={1,2},B={3,4},则CU(A∪B)=________.
已知集合U={1,2,3,4,5,6,7},A={2,4,5,7},B={3,4,5},则(UA)∪(UB)等于
A.{1,6}
B.{4,5}
C.{1,2,3,4,5,7}
D.{1,2,3,6,7}
已知集合U={1,2,3,4,5,6,7},A={2,4,5,7},B={3,4,5},则(A)∪(B)等于
已知集合U={1,2,3,4,5,6,7},A={2,4,5,7},B={3,4,5},则A∩(CUB)=
A.{2,7}
B.{1,2,4,5,6,7}
C.{1,2,6,7}
D.{4,5}
已知集合U={1,2,3,4,5,6},A={1,,4,5},B={2,3,4},则=
A.{4}, B.U={1,5}, C.U={1,5,6}, D.U={1,4,5,6}