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={1,2,3}, ={2,4},则如图阴影部分表示的集合为( ) A.{0,2}B.{0,1,3} {1,3,4} {2,3,4}
={1,2,3}, ={2,4},则( ) A.{1,2,4}B.{2,3,4} {0,2,4} {0,2,3,4}
={1,2,3}, ={2,4},则(∁U.A.)∪B为( ) A.{1,2,4}B.{2,3,4} {0,2,3,4} {0,2,4}
={1,2}, ={1,2,3}, ={2,3,4},则(A∩B.)∪C.= ( ) A.{1,2,3} B.{1,2,4} C.{2,3,4} {1,2,3,4}
={1,2}, ={2,3,4},那么集合A.∩B.等于( ) A.{2}B.{2,3} {1,2,3} {1,2,3,4}
={1,2,3}, ={2,4},则 U.A.∪B.为( ) A.{1,2,4}B.{2,3,4}C.{0,2,4} {0,2,3,4}
={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}
{1,2,3,5} {1,2,3,4} {2,3} {1}
={1,2,3}, ={2,4},则(∁U.A.)∪B为( ) A.{1,2,4} B.{2,3,4} {0,2,4} {0,2,3,4}
{1,2,3,4} {1,2,3} {2,3,4} {1,3,4}
{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}
={1,2,3}, ={2,4},则(UA)∪B.为( ). A.{1,2,4} B.{2,3,4} {2,4} {1,2,3}
={1,2}, ={1,2,3},C={2,3,4}则 ( ) (A.) {1,2,3} (B.) {1,2,4} ( ) {2,3,4} ( ) {1,2,3,4}