题目内容
已知集合M={0,x},N={1,2},若M∩N={2},则M∪N=
{0,x,1,2}
{2,0,1,2}
{0,1,2}
不能确定
已知集合M={0,x},N={1,2},若M∩N={1},则M∪N=
A.{0,x,1,2}
B.{1,2,0,1}
C.{0,1,2}
D.无法确定
B.{2,0,1,2}
D.不能确定
已知集合M={0,1,2,3}, N={x|<2x<4},则集合M∩(CRN)等于( )
A.{0,1,2} B.{2,3} C. D.{0,1,2,3}