Question

Qual o resultado √1/25+(1/4-1/10?

Answer 1

$\sqrt{ \frac{1}{25} } + ( \frac{1}{4} - \frac{1}{10} ) = \\ \frac{ \sqrt{1} }{ \sqrt{25} } + ( \frac{10}{40} - \frac{4}{40} ) = \\ \frac{1}{5} + \frac{6}{40} = \\ \frac{1}{5} + \frac{3}{20} = \\ \frac{4}{20} + \frac{3}{20} = \\ \frac{7}{20}$
Espero ter ajudado