Originally posted by pyliu at 2006-1-11 16:42: ' u) {/ e5 |6 l. G8 v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: " ]$ q$ P {" x爸爸喺到happy緊