Question

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Answer 1

$5^{-1} \ \ \ = \ \frac{1}{5} \\\\ -3^{-1} = \frac{1}{-3} \\\\ 5^0 = 1 \\\\ Forma\ convertida: \\ \frac{1}{5} + 1 - \frac{1}{3} \\\\ MMC: \\ 3\ .\ 5 = 15 \\\\ \frac{3+15-5}{15}\\\\ Resposta:\ \frac{13}{15}$