01选择题5★☆☆☆☆
已知集合 M={2,1,0,1,2}M = \{-2, -1, 0, 1, 2\}, N={xx2x60}N = \{x \mid x^2 - x - 6 \ge 0\}, 则 MN=M \cap N = ( )
A.
{2,1,0,1}\{-2, -1, 0, 1\}
B.
{0,1,2}\{0, 1, 2\}
C.
{2}\{-2\}
D.
{2}\{2\}
答案与解析

答案已隐藏