设全集U={-1,0,1,2,3,4,5},集合A={1,2},集合B={0,1},分别求集合?UA; A∪B; A∩B

2025-05-12 14:30:01
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回答1:

∵全集U={-1,0,1,2,3,4,5},A={1,2},B={0,1},
∴?UA={-1,0,3,4,5};A∪B={0,1,2};A∩B={1}.