题目内容
设全集U = {1,2,3,4,5,6,7,8},集合S = {1,3,5},T = {3,6},则等于
A.Φ B.{2,4,7,8} C.{1,3,5,6} D.{2,4,6,8}
B
设全集U={1,2,3,4,5},集合A={1,2},B={2,3},则A∩CUB=
A.{4,5} B.{2,3} C.{1} D.{2}