you need to think harder

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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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