圍地 - 拼圖
By Linda
at 2007-12-17T18:04
at 2007-12-17T18:04
Table of Contents
有一個農夫做了一個400m的繩子
想在某筆直的河流旁圍一塊地
若繩子
(1)只能轉彎一次
(2)只能轉彎兩次(轉彎角度相同)
則農夫能圍到幾公頃的地?
(有辦法的話 可以說明一下怎麼圍出來的)
註:圓是指繩子轉彎了無限次
--
想在某筆直的河流旁圍一塊地
若繩子
(1)只能轉彎一次
(2)只能轉彎兩次(轉彎角度相同)
則農夫能圍到幾公頃的地?
(有辦法的話 可以說明一下怎麼圍出來的)
註:圓是指繩子轉彎了無限次
--
Tags:
拼圖
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at 2007-12-21T07:19
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