题目内容
(12分)已知全集U={1,2,3,4,5,6,7,8,9,10,11,13},集合A={2,4,6,8},B={3,4,5,6,8,9,11},求:
(1)A∪B
(2)CUA
(3)CU(A∩B)
(4)A∪(CUB)
(1)A∪B ={2,3,4,5,6,8,9,11}
(2)CUA="{1,3,5,7,9,10,11,13}"
(3)CU(A∩B)={1,2,3,5,7,9,10,11,13};
(4) A∪(CUB)={1,2,4,6,7,8,10,13}。
解析
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