Originally posted by pyliu at 2006-1-11 16:42: ( C3 Y9 A b% m" w( d4 w" Q/ r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: 0 J0 P! `# c3 e8 [. |爸爸喺到happy緊