已知全集∪={1,2,3,4,5,6,7,8},A={1,2,4},B={2,4,5},P={4,7,8},求:
1个回答
(1)(
B)∪A{1,2,3,4,6,7,8};
(2)(A∩B)∩(
P)={2}。
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