Question

已知全集U={0,1,2,3,4,5,6}、A={2,4,5}、B={1,3,4,6}

Answer 1

CuA= ｛0,1,2,3,4,5,6｝

{0,1,2,3,4,5,6}n B = {0,1,2,3,4,5,6}n{2,4,5} = {2,4,5}

所以是：{2,4,5}