Originally posted by pyliu at 2006-1-11 16:42: ' G; d+ n5 X, j4 f$ D' Y+ 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:7 `1 A1 y2 M3 J/ [4 x( ? 爸爸喺到happy緊