问题 选择题

已知集合A={1,3,5,7,9},B={0,3,6,9,12},则A∪B=(  )

A.{0,1,5,6,7,12}

B.{3,9}

C.{0,1,3,5,6,7,9,12}

D.{3,6}

答案

根据并集的定义,A∪B={0,1,3,5,6,7,9,12}.

故选C

单项选择题
单项选择题 A1/A2型题