已知集合U={1,2,3,4,5,6,7}, A={2,4,5,7},B={3,4,5},则(uA)∪(uB)= . 题目和参考答案——青夏教育精英家教网—

题目内容

已知集合U={1,2,3,4,5,6,7}, A={2,4,5,7},B={3,4,5},则(_uA)∪(_uB)= .

{1,2,3,6,7}

解析

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阳光课堂人民教育出版社系列答案

A.{1,6} B.{4,5} C.{2,3,4,5,7} D.{1,2,3,6,7}

A.{1,6} B.{3} C.{2,3,4,5,7} D.{1,3,4,6,7}

已知集合U={1,2,3,4,5,6,7}, A={2,4,5,7},B={3,4,5},则(_uA)∪(_uB)=

(A){1,6} (B){4,5} (C){1,2,3,4,5,7} (D){1,2,3,6,7}

已知集合U={1,2,3,4,5,6,7}, A={2,4,5,7},B={3,4,5},则(_uA)∪(_uB)= .

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