关于2356B的百科

• 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...

• 问题详情：已知全集U＝{1,2,3,4,5,6,7,8},*A＝{2,3,5,6},*B＝{1,3,4,6,7},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...
• 2021-04-157431