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{2} {3,4} {1,4,5} {2,3,4,5}
={2,3,4}, ={4,5},则A.∩(∁UB)等于( ) A.{4} B.{4,5} {1,2,3,4} {2,3}
={2,3,4}, ={1,2},则(CUB.)等于A.{2} B.{5} {3,4} {2,3,4,5}
={1,2,3}, ={2,3,4},则∁U.(A.∩B.)=( ) A.{2,3}B.{1,4,5} {4,5} {1,5}
={1,3,5}, ={2,3,4},则 (A.)∩B.=( ) A. {2, 4} B. {3} {2,4,6} {1,2,3,4,5}
={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}
{1,2,3,4} {1,2,3} {2,3} {2,3,4}
={1,2,3}, ={2,3,4},则∁U.(A.∩B)=( ) A.{2,3}B.{1,4,5} {4,5} {1,5}
{1,2,3,5} {1,2,3,4} {2,3} {1}
={1,3}, ={2,3,4},则(CUA)∩(CUB)=A.{1}B.{5} {2,4} {1,2,4,5}
{1,2,3} {1,2,5} {2,3,5} {0,1,5}
={x|x≥3}, ={1,2,3,4,5}则A.∩B.=( ) A.{1,2,3}B.{2,3,4} {3,4,5} {1,2,3,4,5}
{2} {3,4} {1,4,5} {2,3,4,5}