Question

已知全集U={0,1,3,5,6,8},集合A={1,5,8},B={2},则集合（CuA）U B=( )

Answer 1

∵U={0,1,3,5,6,8}

A={1,5,8}

∴CuA={0,3,6}

则（CuA）U B={0,2,3,6}