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

2025-05-10 10:06:29
推荐回答(1个)
回答1:

∵集合A={1,2,3,5,7},B={3,4,5},
∴A∪B={1,2,3,4,5,7},
故选A.