Question

como resolver a expressão numerica (2/3)3 - (1/3)2 passo a passo

Answer 1

$( \frac{2}{3} )^{3} -( \frac{1}{3} )^{2}\\\\\\ \frac{2^{3}}{3^{3}} - \frac{1^{2}}{3^{2}} \\\\ \frac{8}{27} - \frac{1}{9} \\\\(mmc\ de\ 27,e\ 9=27)\\\\ \frac{8}{27} - \frac{3}{27} =\boxed{\boxed{ \frac{5}{27} }}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ok$