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{﹣3,﹣2,﹣1,0} {﹣2,﹣1,0} {﹣3,﹣2,﹣1} {﹣2,﹣1}
[0,2) (0,2] (-∞,0]∪(2,+∞) (-∞,0)∪[2,+∞)
(-2,2) (1,2) -1,0,1 -2,-1,0,1,2
{x│0≤x<1} {x│0≤x<2} {x│0≤x≤1} {x│0≤x≤2}
m>-1且n<5 m<-1且n<5 m>-1且n>5 m<-1且n>5
={y|y=3x, x∈R}, ={y|y=-(x-1)2+2,x∈R},则A.⊕B.等于( ) A.[0,2)B.(0,2] (-∞,0]∪(2,+∞) (-∞,0)∪[2,+∞)
m>-1,n<5 m<-1,n<5 m>-1,n>5 m<-1,n>5
={(x,y)|2x-y+m>0}, ={(x,y)|x+y-n≤0},若点P.(2,3)∈A.∩(∁UB),则下列选项正确的是( ) A.m>-1,n<5 B.m<-1,n<5 m>-1,n>5 m<-1,n>5
{ x | - 2 ≤x < 1} { x | 0 < x ≤1} { x | - 1 ≤x ≤1} { x | x < 1}
(1,+∞) (0,1) (-1,1) (-∞,1)