Question

Como resolvo 8(elevado a 1/3)+81(elevado a 1/2)-1?

Answer 1

$\sqrt[3]{8 ^{1} } +\sqrt[2]{81 ^{1} } - 1$
$\sqrt[3]{2.2.2 } + \sqrt[2]{9.9} - 1$
$\sqrt[3]{2^{3} } + \sqrt[2]{9^{2} } - 1$
$2 + 9 - 1$
$10$