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.

发布时间:2020-08-12 10:08:21

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}

网友回答

C
解析分析:根据并集定义:A∪B是由所有属于A或属于B的元素组成的集合,根据定义求解即可.

解答:根据并集的定义,A∪B={0,1,3,5,6,7,9,12}.
故选C

点评:本题考查集合的并集运算.
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