Originally posted by pyliu at 2006-1-11 16:42:9 ?8 v( ]* ~6 X7 |) D, _3 X 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: . u: |2 _' x+ c. ~爸爸喺到happy緊