Question

Determine o valor das expressões abaixo:

a) -√81-√22+∛ 27



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COM CALCULO DETALHADOOOO

Answer 1

$\sqrt[2]{81} } - \sqrt[2]{22} +\sqrt[3]{27} =\\\\\sqrt[2]{9^{2} } - \sqrt[2]{22} + \sqrt[3]{3^{3} } =\\\\9 - \sqrt[2]{22} + 3 =\\\\(9+3) -\sqrt[2]{22} =\\\\12 - \sqrt[2]{22}$ OU 12 - 4 ,6904 = 7,31