Question

determine o valor das expressoes -√8-√-27 com exponte 3

Answer 1

$- \sqrt[3]{8} \ -\ (\sqrt[3]{-27} )$

$-2\ -\ (-3)$

$-2\ +\ 3=\boxed{\boxed{1}}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ok$