you need to think harder

來源: guest007 於 2010-01-25 09:48:27 [] [舊帖] [給我悄悄話] 閱讀數 : (126 bytes)
本帖於 2010-04-08 17:51:58 時間, 由版主 於德利 編輯

please think harder-
15 x 0.2 = 3
15 x 0.8 = 12

85 x 0.2 = 17
85 x 0.8 = 68

12 out of 12+17 ~= 41%

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• 回複：you need to think harder -jinjing- ♀ 給 jinjing 發送悄悄話 (89 bytes) () 01/26/2010 postreply 10:14:48

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