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{1,3,2,6} {(1,3),(2,6)} M. {3,6}
={1,3}, ={3,5},则∁U.(A.∪B.)等于( ) A.{1,4}B.{2,4} {2,5} {1,5}
={1,3}, ={3,5},则CU(A.∪B.)等于( ). A.{1,4} B.{1,5} {2,5} {2,4}
={1,2},则∁UA等于( ) A.{3,4} {1,2} {0,1,2} {0,3,4}
∅ {2,4,7,8} {1,3,5,6} {2,4,6,8}
={x|0={x|x>1},则集合A.∩∁U.B.等于( ) A.{x|1{x|0{x|0
x x<-1或x>1 x -1<x<1 x x≤-1或x≥1 x -1≤x≤1