已知全集U={1,2,3,4,5,6,7,8},*A={2,3,5,6},*B={1,3,4,6,7},则...

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已知全集U={1,2,3,4,5,6,7,8},*A={2,3,5,6},*B={1,3,4,6,7},则*已知全集U={1,2,3,4,5,6,7,8},*A={2,3,5,6},*B={1,3,4,6,7},则...=(  )

A.{2,5}     B.{3,6}    C.{2,5,6}      D.{2,3,5,6,8}

【回答】

A

知识点:*与函数的概念

题型:选择题

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