回複：回複：how many left?

來源: 康MM 於 2010-01-13 08:19:10 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (89 bytes)
回答: how many left? 由 fruitbasket 於 2010-01-12 16:24:18

8 is the right answer. You first make three trips of 3 miles, and then 2 trips of 5 miles

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• 回複：回複：回複：how many left? -fruitbasket- ♀ 給 fruitbasket 發送悄悄話 (27 bytes) () 01/13/2010 postreply 12:45:10

• write out how you get 8, and that would be a proof -康MM- ♀ 給 康MM 發送悄悄話 康MM 的博客首頁 (0 bytes) () 01/13/2010 postreply 17:02:17

• 回複：write out how you get 8, and that would be a proof -Jinjing- ♀ 給 Jinjing 發送悄悄話 (303 bytes) () 01/13/2010 postreply 17:55:32

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