Question

Calcule o valor da expressão;

Answer 1

$\textbf{Resposta:}\\\\\frac{37}{4} ou 9,25\\\\\textbf{Explica\c{c}\~ao passo a passo:}\\\\(\frac{2}{5})^{-2} + (\frac{1}{3})^{-1} \\\\(\frac{5}{2})^{2} + (\frac{3}{1})^{1}\\ \\\frac{25}{4} + 3\\\\\frac{25}{4} + \frac{3.4}{4} \\\\\frac{25}{4} + \frac{12}{4} \\\\\frac{25 + 12}{4} = \frac{37}{4} ou 9,25$