设集合A={1,2,3,5,7},B={3,4,5},则A∪B=( )A.{3,4,5}B.{5}C.{1,2}D.{1,2,3,4,5
设集合A={1,2,3,5,7},B={3,4,5},则A∪B=()A.{3,4,5}B.{5}C.{1,2}D.{1,2,3,4,5,7}...
设集合A={1,2,3,5,7},B={3,4,5},则A∪B=( )A.{3,4,5}B.{5}C.{1,2}D.{1,2,3,4,5,7}
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