Question

Alguém poderia fazer essa conta passo a passo

Answer 1

Resposta:

$1-(\frac{1}{2})^{2}.(\frac{1}{5}+\frac{2}{25}:\frac{1}{5})=\\\\1-(\frac{1}{4}).(\frac{1}{5}+\frac{2}{25}.\frac{5}{1})=\\\\1-(\frac{1}{4}).(\frac{1}{5}+\frac{2}{5})=\\\\1-(\frac{1}{4}).(\frac{3}{5})=\\\\1-(\frac{3}{20})=\\\\\frac{20-3}{20}=\\\\\frac{17}{20}$