Question

Qual é o valor da espressao 1/3 -(1/10.4/3)

Answer 1

            $\frac{1}{3} -( \frac{1}{10} . \frac{4}{3} ) \\ \\ = \frac{1}{3} - \frac{4}{30} \\ \\ = \frac{10}{30} - \frac{4}{30} \\ \\ = \frac{6}{30} \\ \\ = \frac{1}{5}$