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={2,3,5},集合 ={1,3,4,6},则集合A.∩∁UB=( ) A.{3} B.{2,5} {1,4,6} {2,3,5}
={x∈Z.|-1≤x≤2},集合 ={0,2,4},则A.∩B.=( ) A. {0,2} B. {0,2,4} {-1,0,2,4} {-1,0,1,2,4}
={2,3,5},集合 ={1,3,4,6},则集合A.∩∁U.B.=( ) A.{3}B.{2,5} {1,4,6} {2,3,5}
={1,2,3,4,5},集合 ={﹣2,2,3,4,5,9},则集合A.∩B.=( ) A.{2,3,4}B.{2,3,4,5} {1,2,3,4,5} {﹣2,1,2,3,4,5}
={1,2}, ={2,3,4},那么集合A.∩B.等于( ) A.{2}B.{2,3} {1,2,3} {1,2,3,4}
={1,2,4},集合 ={3,6},则∁U.(A.∪B.)=( ) A.{1,2,4}B.{1,2,4,5} {2,4} {5}
={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}
y=x2 y=log2|x| y=2x y=x+1
={1,2,3},集合 ={2,3,4},则A.∩B.等于( ) A.{2,3}B.{1,2} {3,4} {1,2,3,4}
{﹣1,1,2} {4} {1,2} {x|﹣1≤x≤2}
{﹣1,2,2} {4} {1,2} {x|﹣1≤x≤2}
={n|n=3k-1,k∈Z.}, ={x||x-1|>3},则A.∩(∁R.B.)=( ) A.{-1,2}B.{-2,-1,1,2,4} {1,4} ∅
{﹣1,1,2} {1,2} {4} {x|﹣1≤x≤2}
{﹣1,1,2} {1,2} {4} {x|﹣1≤x≤2}
{1,2} {5} {1,2,3} {3,4,6}