求距離的數學問題 - 自行車

By Carol
at 2008-12-29T00:00
at 2008-12-29T00:00
Table of Contents
Q1:Ahikerwalkingataconstantrateof4milesperhourispassedbyacyclisttravelinginthesamedirectionalongthesamepathataconstantrateof20milesperhour.Thecycliststopstowaitforthehiker5minutesafterpassingher,whilethehikercontinuestowalkatherconstantrate.Howmanyminutesmustthecyclistwaituntilthehikercatchesup?答案:20Speed=distance/timeHiker:4=d/1hCyclist:20/d/1hH+5=C我不知道距離我不會算。請教我謝謝。...Showmore
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自行車
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By Olivia
at 2008-12-29T19:32
at 2008-12-29T19:32

By Hamiltion
at 2008-12-31T07:54
at 2008-12-31T07:54

By Frederica
at 2008-12-31T16:49
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By Zanna
at 2008-12-29T16:13
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