题目内容
若集合M={-1,0,1,2},N={x|x(x-1)=0},则M∩N=
{-1,0,1,2}
{0,1,2}
{-1,0,1}
{0,1}
若集合M={-1,0,1},N={0,1,2},则M∩N等于