Mathematics
2008-04-12 10:31 pm
A lady lives in a village which is 2km away from a straight road. The nearest shopping mall is located 5km down the road. The lady can cycle at 6km/ h away from the road and 8km/ h along the road. How should the lady travel from her village to the mall in order to reachin the shortest time?
回答 (1)
2008-04-13 2:35 am
✔ 最佳答案
As follows~~~As follows~~~
圖片參考：http://i182.photobucket.com/albums/x4/A_Hepburn_1990/A_Hepburn01Apr121834.jpg?t=1207996510
圖片參考：http://i182.photobucket.com/albums/x4/A_Hepburn_1990/A_Hepburn02Apr121834.jpg?t=1207996520
參考: Myself~~~
收錄日期: 2021-04-13 18:13:25
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