2356B的精選

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

2021-04-15

問題詳情：已知全集U＝{1,2,3,4,5,6,7,8},*A＝{2,3,5,6},*B＝{1,3,4,6,7},則*＝()A.{2,5} B.{3,6} C.{2,5,6} D.{2,3,5,6,8}【回答】A知識點：*與函數的概念題型：選擇題...