设A={3,5,6,8},B={4,5,7,8},求A∩B,AUB.

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设A={3,5,6,8},B={4,5,7,8},求A∩B,AUB.

A∩B={5,8},AUB={3,4,5,6,7,8}

A∩B={5,8},AUB={3,4,5,6,7,8}。