如图,点O在直线AB上,∠AOD=22°30′,∠BOC=45°,OE平分∠BOC,则∠EOC的补角是( )
A:∠AOE
B:∠AOE或∠DOB
C:∠AOE或∠DOB或∠AOC+∠BOE
D:以上都不对
—A one-way ticket $40, and you can another $20 for a round-ticket.
估计7-2的值在( )