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No Plagiarism!DOP8m8HSxK0XnUuafxh5posted on PENANA 設f(x)=|x²-4|,求f'(2)=?338Please respect copyright.PENANAS6YZnLtFMH
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我會不會下手重了點www 不太老少咸宜338Please respect copyright.PENANAV3HOnovfVd
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但這題的答案蠻簡單的338Please respect copyright.PENANA7Z7KxjZCHc
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216.73.216.154
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