网址:http://m.1010jiajiao.com/timu3_id_4468535[举报]
设集合M={0,1,2},N={x|x2-3x+2≤0},则M∩N=
A.
{1}
B.
{2}
C.
{0,1}
D.
{1,2}
设集合M={-1,0,1},N={2,3,4,5,6},映射f:M→N使对任意x∈M都有f(x)+xf(x)+x是奇数,这样映射f的个数为____________.
设集合M={x|(x+3)(x-2)<0},N={x|1≤x≤3},则M∩N=( )
A.[1,2) B.[1,2]
C.(2,3] D.[2,3]
设集合M={x|+x-6<0},N={x|1≤x≤3},则M∩N=( )
A.[1,2) B.[1,2] C.(2,3] D.[2,3]