Originally posted by pyliu at 2006-1-11 16:42: ' E) |" X+ j- D7 A) |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:$ n4 u& b% K2 m4 A1 z0 W 爸爸喺到happy緊