Originally posted by pyliu at 2006-1-11 16:42: # x& e' d" I3 C* ~" O$ |; U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: $ y6 c/ W6 ^+ V: N+ X" E$ r% o爸爸喺到happy緊