Originally posted by pyliu at 2006-1-11 16:42: 4 f7 Z( h" }6 s6 d問題:已知媽媽比兒子大21歲。六年後,媽媽的歲數是兒子的五倍。問爸爸現在在哪裏?
Originally posted by Tokyo2040 at 2006-1-11 09:54 AM: % P+ M# i) R' k/ D爸爸喺到happy緊