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...
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...