搬貨 - 拼圖
By Hedwig
at 2011-10-23T21:55
at 2011-10-23T21:55
Table of Contents
A先生和B先生住在公寓三樓
今天它們要把七個東西搬出公寓外的車上
公寓沒有電梯
A先生一次可以拿兩個東西 下樓要花1分鐘 上樓也是1分鐘
B先生一次只能拿一個東西 下樓要花30秒 上樓也是30秒
請問它們最快要搬多久?
--
今天它們要把七個東西搬出公寓外的車上
公寓沒有電梯
A先生一次可以拿兩個東西 下樓要花1分鐘 上樓也是1分鐘
B先生一次只能拿一個東西 下樓要花30秒 上樓也是30秒
請問它們最快要搬多久?
--
Tags:
拼圖
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By Frederic
at 2011-10-26T05:40
at 2011-10-26T05:40
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at 2011-10-29T18:14
at 2011-10-29T18:14
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at 2011-11-02T13:59
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at 2011-11-22T19:54
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