Originally posted by pyliu at 2006-1-11 16:42: 6 b8 d& L, f6 S5 l# B1 g' X* N6 o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: / E7 G7 Y* c/ D( K- k' S爸爸喺到happy緊