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{1} {2,3} {1,2,4} {2,3,4}
={-1,2}, ={ 0,2},则( U.A.)∩B.等于A.{0,1,2}B.{2}C.{0}
={2,4,6}, ={1,2,5},则A.∩(∁U.B.)等于( ) A.{2} B.{2,3,4,6} {4,6} {1,2,4,5,6}
={2,5,8}, ={1,3,5,7},则(∁U.A.)∩B等于( ) A.{5}B.{1,3,7} {2,8} {1,3,4,5,6,7,8}
={2,3,4}, ={4,5},则A.∩(∁UB)等于( ) A.{4} B.{4,5} {1,2,3,4} {2,3}
={x|1<x≤3}, ={x|x>2},则等于( ) A.{x|1<x≤2}B.{x|1≤x<2} {x|1≤x≤2} {x|1≤x≤3}
={2,3,4}, ={1,2},则(CUB.)等于A.{2} B.{5} {3,4} {2,3,4,5}
(﹣2,1] [﹣2,1) [﹣2,1] [1,2]
{2,4,6} {1,3,5} {2,4,5} {2,5}
={1,2}, ={2,3},则∁U.(A.∪B.)等于( ) A.{1,3,4}B.{3,4} {3} {4}
= ,则{ x|x≤0 }等于 (A.)A.∩B ( )A.∪B ( )∁U(A.∩B)( )∁U(A.∪B)
{5,7} {2,4} {2,4,8} {1,3,5,6,7}
=,则集合∁U.A.等于( ) A.{x|x<-2或x>0} {x|x≤-2或x>0} {x|x<-2或x≥0} {x|x≤-2或x≥0}
={x|x2>4}, ={x|≤0},则(∁UA)∩B.等于( )
A.{x|-2≤x<1} B.{x|-3≤x<2} {x|-2≤x<2} {x|-3≤x≤2}
={3,4,5},B={1,3,6},则A.∩(CU )等于( ) A.{4,5} B.{2,4,5,7} {1,6} {3}
={2,4,6}, ={1},则 (∁U.A.)∪B等于( ) A.{0,1,8,10}B.{1,2,4,6} {0,8,10 } ∅
={x|x2﹣2x>0},则CUA等于( ) A.{x|0≤x≤2} {x|0<x<2} {x|x<0或x>2} {x|x≤0或x≥2}
{x|x≥0} {x|x≤1} {x|0≤x≤1} {x|0