回複:回複:how many left?

來源: 康MM 2010-01-13 08:19:10 [] [博客] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (89 bytes)
回答: how many left?fruitbasket2010-01-12 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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