Question

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Calcule o valor das expressões numéricas com radicais :
\sqrt{25} + \sqrt[3]{-27} + \sqrt{81} =\\\\\\ ?

Answer 1

$\sqrt{25} + \sqrt[3]{-27} + \sqrt{81}\to\\\\ 5+\sqrt[3]{-3^3}+9\to\\\\ 5-3+9\to\\\\ 14-3\to\\\\ \boxed{11}$