31 mar 2017, 11:41
\(\frac{1-(-3)^{-1}\times (-\frac{1}{3})^{-2}\div (-\frac{1}{3})^{-3}-(-1)^{5}}{2-(-\frac{1}{2})^{2}\times (-3)^{0}}\)
02 abr 2017, 19:04
Olá. Boa tarde !
Segue a solução:
\(\frac{1 + \frac{1}{3}.(- \frac{9}{27}) + 1}{2 - (\frac{1}{4}).1}\) = \(\frac{2 - \frac{1}{9}}{\frac{7}{4}}\) = \(\frac{17}{9}.\frac{4}{7}\) = \(\frac{68}{63}\)
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