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={1,2,3,4}, ={y|y=3x-2,x∈A.},则A.∩B.=( ) A.{1}B.{4} {1,3} {1,4}
{4} {2,3,4} {1,3,4} {1,2,3,4}
={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}
={1,2,3,4}, ={y|y=3x﹣2,x∈A.},则A.∩B.=( ) A.{1}B.{4} {1,3} {1,4}
{1} {1,2} {1,2,3} {1,2,3,4}
{0,1,2,3,4} {1,2,3,4} {0,1,2,3,4,5} {1,2,3,4,5}
={1,2,3,4}, ={x∈N||x|≤2},则A.∩B=( ) A.{1,2,3,4}B.{﹣2,﹣1,0,1,2,3,4} {1,2} {2,3,4}
={1,2,3,4}, ={x|x=n2,n∈A.},则A.∩B.=( ) A.{1,4} B.{2,3} {9,16} {1,2}
{1,2,3} {1,3,4} {1,2,4} {2,3,5}
={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}
={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}
={1,2,3,4}, ={x∈R.|1<x≤4},则A.∩B.=( ) A.{1,2,3,4}B.{2,4} {2,3,4} {x|1<x≤4}
={x|x<3}. ={1,2,3,4},则( R.A.)∩B.= (A.){4} (B.){3,4} (C.){2,3,4} ( ){1,2,3,4}
{0,1,2,3,4} {1,2,3,4} {0,1,2,3,4,5} {1,2,3,4,5}
={1,2,3,4,5}, ={x|x<2},则A.∩B.等于( ) A.{1}B.{1,2} {1,2,3} {1,2,3,4}
={1,2,3,4},集合,集合,则集合C.的真子集的个数为( ) A. 1 2 3 4