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{﹣1,0,1} {0,1} {﹣1,0} {0}
{0,1} {﹣1,0,1} {﹣1,2} {﹣1,0,1,2}
={0,1,2,3}, ={1,2,4},则集合A.∪B.= ( ) A.{0, 1,2,3,4}B.{1,2,3,4} {1,2} {0}
{-2,-1,0,1} {-3,-2,-1,0} {-2,-1,0} {-3,-2,-1}
={0,1,2,3}, ={0,2,4},那么A.∩(∁U.B.)等于( ) A.{1}B.{0,1} {1,3} {0,1,2,3}
{﹣1,0,1} {0,1} {﹣1,0} {0}
{-2,-1,0,1} {-3,-2,-1,0} {-2,-1,0} {-3,-2,-1}
={0,1,2,3}, ={x|lnx>0},则A.∩B.=( ) A.{0,1,2,3}B.{1,2,3} {2,3} {3}
={0,1,2,3}, ={x|x(x-3)<0},则A.∩B.= ( ) A.{0,1,2,3}B.{0,1,2} {1,2} {1,2,3}
{0,1} {0} {-1,2,3} {-1,0,1,2,3}
{﹣1,0,1} {0,1} {﹣1,0} {0}
={3,a2},集合 ={0,b,1-a},且A.∩B.={1},则A.∪B.=( ) A.{0,1,3}B.{1,2,4} {0,1,2,3} {0,1,2,3,4}
{3} {0,1,2} {1,2} {0,1,2,3}
={0,1,2}, ={2,3},则集合A.∪B.=( ) A.{1,2,3}B.{0,1,2,3} {2} {0,1,3}
={0,1,2,3},B={1,2,4},则集合A.∪ = A.{0,1,2,3,4} B.{1,2,3,4} {1,2} {0}
={2,3},集合 ={0,1},则A.∪B.等于( ) A.∅ B.{1,2,3} {0,1,2} {0,1,2,3}
{0,1} {﹣1,0,1} {0,1,2} {﹣1,0,1,2}
[﹣1,2] [0,1] {0,1} {﹣1,0,1,2,3}