圍地4 - 拼圖
By Rae
at 2007-12-20T00:49
at 2007-12-20T00:49
Table of Contents
農夫站在一條筆直的河邊
農夫這次帶了兩條不知道多長的鐵繩子
其中一條交給了兒子
叫他的兒子先延著河走到500m外
之後農夫開始以1m/s速度跑
農夫兒子則以兩倍快的速度向農夫跑去
請問 農夫該怎麼跑
在被兒子追上時的點
和雙方的起始點連成的形狀最大
--
農夫這次帶了兩條不知道多長的鐵繩子
其中一條交給了兒子
叫他的兒子先延著河走到500m外
之後農夫開始以1m/s速度跑
農夫兒子則以兩倍快的速度向農夫跑去
請問 農夫該怎麼跑
在被兒子追上時的點
和雙方的起始點連成的形狀最大
--
Tags:
拼圖
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