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={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}
={2,5,8}, ={1,3,5,7},则(∁U.A.)∩B等于( ) A.{5}B.{1,3,7} {2,8} {1,3,4,5,6,7,8}
={2,3,4}, ={4,5},则A.∩(∁UB)等于( ) A.{4} B.{4,5} {1,2,3,4} {2,3}
=(1,2,5},∁U. =(1,3,5},则A.∩B.=( ) A.{2}B.{5} {1,2,4,5} {3,4,5}
={3,4,5}, ={1,3,6},则于( ) A.{4,5} B.{2,4,5,7} {1,6} {3}
={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}
{5} {0,3} {0,2,3,5} {0,1,3,4,5}
{5,7} {2,4} {2,4,8} {1,3,5,6,7}
={1,3,5,6},则∁U.A.=( ) A.{1,3,5,6} {2,3,7} {2,4,7} {2,5,7}
={1,2,4},集合 ={3,6},则∁U.(A.∪B.)=( ) A.{1,2,4}B.{1,2,4,5} {2,4} {5}
={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}
={2,4,5}, ={1,3,5,7},则A.∩(∁U.B.)=( ) A.{5}B.{2,4} {2,4,5,6} {1,2,3,4,5,7}
1:2 3:2 2:3 5:3
={3,4,5},B={1,3,6},则A.∩(CU )等于( ) A.{4,5} B.{2,4,5,7} {1,6} {3}
B.都是全集U.的子集,且 ∩CUA.={1,9},A.∩B={2},CUA.∩CUB.={4,6,8},那么A.B.分别为( ) A.{1,3,8}、{2,5,7}B.{2,3,5,7}、{1,3,8} {2,3,5,7}、{1,2,9} {2,5,7}、{1,2,9}
{1} {3,5} {1,2,4,6} {1,2,3,4,5}
∩∁U. ={1,2},∁U.(A.∪B.)={4},则集合B.为( ) A.{3}B.{3,5} {2,3,5} {1,2,3,5}
{1,2} {5} {1,2,3} {3,4,6}