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{1} {2,3} {1,2,4} {2,3,4}
={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}
{1,2,3,4,6} {1,2,3,4,5} {1,2,5} {1,2}
={1,2,3,4}, ={y|y=3x﹣2,x∈A.},则A.∩B.=( ) A.{1}B.{4} {1,3} {1,4}
={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}
{1} {1,2} {1,2,3} {1,2,3,4}
={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} (1,2} {1,2,3} (1,2,3,4}