![If |a-b| =1 ; \\ |b-c| =1 ; \\ |c-a| = 2 \: and \\ abc = 60 \\ \\ \ \textless \ br /\ \textgreater \ If |a-b| =1 ; \\ |b-c| =1 ; \\ |c-a| = 2 \: and \\ abc = 60 \\ \\ \ \textless \ br /\ \textgreater \](https://tex.z-dn.net/?f=If+%7Ca-b%7C+%3D1+%3B++%5C%5C+%7Cb-c%7C+%3D1+%3B++%5C%5C+%7Cc-a%7C+%3D+2++%5C%3A+and+%5C%5C++abc+%3D+60+%5C%5C++%5C%5C+%5C++%5Ctextless+%5C+br+%2F%5C++%5Ctextgreater+%5C+)
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![\frac{a}{bc} + \frac{b}{ca} + \frac{c}{ba} - \frac{1}{a} - \frac{1}{b} - \frac{1}{c} \frac{a}{bc} + \frac{b}{ca} + \frac{c}{ba} - \frac{1}{a} - \frac{1}{b} - \frac{1}{c}](https://tex.z-dn.net/?f=+%5Cfrac%7Ba%7D%7Bbc%7D++%2B++%5Cfrac%7Bb%7D%7Bca%7D++%2B+++%5Cfrac%7Bc%7D%7Bba%7D+++-++%5Cfrac%7B1%7D%7Ba%7D++-++%5Cfrac%7B1%7D%7Bb%7D++-++%5Cfrac%7B1%7D%7Bc%7D+)
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