设全集U=｛0,1,2,3,4,5｝,子集A=｛a,b｝,B=｛2,a+1｝,且5属于A交B,则A并B=

题目

设全集U=｛0,1,2,3,4,5｝,子集A=｛a,b｝,B=｛2,a+1｝,且5属于A交B,则A并B=

答案

A并B={2,4,5}