Tính \(\dfrac{P}{Q}\) biết:

P= \(\dfrac{1}{2}+\dfrac{1}{3}+...+\dfrac{1}{2012}\)

Q= \(\dfrac{1}{2011}+\dfrac{2}{2010}+\dfrac{3}{2009}+...+\dfrac{2010}{2}+\dfrac{2011}{1}\)

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