回複：33.81% ?

來源: ruby88 於 2009-03-15 13:02:43 [] [舊帖] [給我悄悄話] 閱讀數 : (78 bytes)
回答: 請教高中數學題 由 ruby88 於 2009-03-15 10:25:32

The answer on the back of the book is 0.0425. But I don't know how to get it.

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