已知集合A={1,2,3,4},B={2.4,6},全集U={1,2,3,4,5,6,7,8}:求A倒UB,AUB,
2个回答
A∩B={2,4}
A∪B={1,2,3,4,6}
CuA={5,6,7,8}
CuB={1,3,5,7,8}
所以
(CuA)∩(CuB)={5,7,8}
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