Originally posted by pyliu at 2006-1-11 16:42: ' r3 s2 z% G x! G" b, b" 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: 1 G& Y1 h0 o6 e& g4 q4 M, J. {- S爸爸喺到happy緊