Question

设全集I={0,1,2,3},集合M={0,1,2},N={0,2,3},则集合MUC1U=?

A.空集 B.{1} C.{0,1,2} D.{2,3}

Answer 1

应该是求MUCIN吧，CIN=1 MUCIN={0,1,2}