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=

问题描述:

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=

A并B={2,4,5}