Originally posted by pyliu at 2006-1-11 16:42:. u2 B$ H5 h/ A# ?' q 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: 2 w# o; \4 v9 |+ o" X$ [3 j爸爸喺到happy緊