摘要:已知U={2.3.5.7.11.13.17.19.23.29}.A.B是U的两个子集....求集合A.B,答案:A={2.5.13.17.23}.B={2.11.17.19.29}
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(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)
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(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)
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)