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={x|x2-2x=0}, ={0,1,2},则A.∩B.= ( ) A.{0,2}B.{0,1} {0} {0,1,2}
(0,2) (-∞,1] (-∞,1) (0,2]
={x∈Z.|-1≤x≤2},集合 ={0,2,4},则A.∩B.=( ) A. {0,2} B. {0,2,4} {-1,0,2,4} {-1,0,1,2,4}
={(x,y)|x+2y﹣4=0},集合 ={(x,y)|x=0},则A.∩B.=( ) A.{0,2}B.{(0,2)} (0,2) ∅
f(x)在(0,2)单调递增 f(x)在(0,2)单调递减 y=f(x)的图象关于直线x=1对称 y=f(x)的图象关于点(1,0)对称
{0,2} {1,2} {0} {﹣2,﹣1,0,1,2}
={x|x2-2x=0}, ={0,1,2},则A.∩B.=( ) A.{0}B.{0,1} {0,2} {0,1,2}
={x|﹣1<x<2}, ={x|0<x<3},则A.∪B.=( ) A.(﹣1,3)B.(﹣1,0) (0,2) (2,3)
(-4,0) (2,3) (-1,0) (0,2)
(0,2) [0,2] {0,1,2} {0,2}
(0,2) [0,2] {1,2} {0,1,2}
(0,2) [0,2] {0,2} {0,1,2}
={x|-1= ( ) A.(-1,3) B.(-1,0) (0,2) (2,3)