C .
D .{|1}A B x x => A B =∅
【2017全国2,理】设集合,。若,{}1,2,4A ={}240x x x m B =-+={}1A B = 则( )
B =A. B. C. D.{}1,3-{}1,0{}1,3{}
1,5【2016全国1,理】设集合2{|430}A x x x =-+<,{|230}B x x =->,则A B = ( )
(A )3
(3,)2--(B )3
(3,)2-(C )3(1,2(D )3
(,3)
2【2016全国2,理】已知集合{1,}A =2,3,{|(1)(2)0,}B x x x x =+-<∈Z ,则A B = ( )
(A ){1}(B ){12},(C ){0123},,,(D ){10123}
-,,,,【2016全国3,理】设集合{}{}|(2)(3)0,|0S x x x T x x =--≥=> ,则S∩ T=
( )
(A) [2,3] (B)(-∞2]U [3,+∞)
(C) [3,+∞) (D)(0,2]U [3,+∞)
【2015全国2,文】已知集合{}|12A x x =-<<,{}|03B x x =<<,则
A B = ( )
A .()1,3-
B .()1,0-
C .()0,2
D .()
2,3【2015全国2,理】已知集合A={-2,-1,0,1,2},B={x|(x -1)(x+2)<0},则A∩B=( )
(A ){-1,0} (B ){0,1} (C ){-1,0,1} (D ){,0,,1,2}
【2014全国2,理1】设集合M={0,1,2},N=,则=( )
{}2|320x x x -+≤M N ⋂
A.{1}
B.{2}
C.{0,1}
D.{1,2}
【2014全国1,理1】已知集合A={|},B=,则x 2230x x --≥{}22x x -≤<=( )
A B ⋂.[-2,-1] .[-1,2) .[-1,1] .[1,2)
A B C D 【2013全国2,理1】已知集合M={x|(x+1)2 < 4,x ∈R },N={-
1,0,1,2,3}则M ∩N=( )
(A ){0,1,2} (B ){-1,0,1,2}
(C ){-1,0,2,3} (D ){0,1,2,3}
【2013全国1,理1】已知集合A ={x|x 2-2x >0},B ={x|x ,则( ).
A .A ∩
B = B .A ∪B =R
C .B A
D .A B ⊆⊆