Question

determine o valor de 2•√um sobre nove +√deseseis sobre trinta e seis

Answer 1

$2 * \sqrt{ \frac{1}{9} } + \sqrt{ \frac{16}{36} } =$
$2* \frac{ \sqrt{1} }{ \sqrt{9} } + \frac{ \sqrt{16} }{ \sqrt{36} } =$
$2* \frac{1}{3} + \frac{4}{6} = \frac{2}{3} + \frac{2}{3} = \frac{2+2}{3} = \frac{4}{3}$