有關U1234567的精選大全

已知全集U={1,2,3,4,5,6,7},*A={1,3,5,6},則(   )  A.{1,3,5,6}...
問題詳情:已知全集U={1,2,3,4,5,6,7},*A={1,3,5,6},則(   )  A.{1,3,5,6}    B.{2,3,7}   C.{2,4,7}   D.{2,5,7}【回答】C知識點:*與函數的概念題型:選擇題...
設U={1,2,3,4,5,6,7,,則    ,      .
問題詳情:設U={1,2,3,4,5,6,7,,則    ,      .【回答】﹛4,5,6,7﹜,﹛1,2,7﹜知識點:*與函數的概念題型:填空題...
已知全集U={1,2,3,4,5,6,7},A={3,4,5},B={1,3,6},則A∩(CUB)等於()A...
問題詳情:已知全集U={1,2,3,4,5,6,7},A={3,4,5},B={1,3,6},則A∩(CUB)等於()A.{4,5}         B.{2,4,5,7}       C.{1,6}       D.{3}【回答】A知識點:*與函數的概念題型:選擇題...
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