alguien me ayuda?

[tex] \frac{(( \frac{3}{6}^{3} ) \times ( - \frac{5}{8})^{4} ) ^{ - 1} \times ( \frac{25}{32}) ^{6}}{( \frac{45}{24})^{2} \times (\frac{36}{12})^{ - 3} \times ( - \frac{42}{28})^{ - 3} } [/tex]
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