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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}
{3} {2,5} {2,3,5} {1,4,6}
={1,3,5}, ={2,3,4},则 (A.)∩B.=( ) A. {2, 4} B. {3} {2,4,6} {1,2,3,4,5}
={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}
={1,2,4},集合 ={3,6},则∁U.(A.∪B.)=( ) A.{1,2,4}B.{1,2,4,5} {2,4} {5}
{3} {2,5} {1,4,6} {2,3,5}
{1} {3,5} {1,2,4,6} {1,2,3,4,5}
={2,4,6}, ={1,2,5},则A.∩(∁U.B.)等于( ) A.{2} B.{2,3,4,6} {4,6} {1,2,4,5,6}
{1} {3,5} {1,2,4,6} {1,2,3,4,5}
{1,2,3,4,5,6} {1,2,3,6} {4,5} ∅
{1,3,5} {2,4,6} {1,5} {1,6}
∩∁U. ={1,2},∁U.(A.∪B.)={4},则集合B.为( ) A.{3}B.{3,5} {2,3,5} {1,2,3,5}
{4,5} {1,2,3,4,5,6} {2,4,5} {3,4,5}
{1,2} {5} {1,2,3} {3,4,6}