Question

determine o valor de \sqrt[4]{76 + \sqrt[3]{130 - \sqrt{5 + \sqrt{400} } } }
$\sqrt[4]{76 + \sqrt[3]{130 - \sqrt{5 + \sqrt{400} } } }$
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Answer 1

Resposta:

3

√400 = 20 -> √20+5 = 5 -> 130-5 = \sqrt[3][125] = 5 -> 5 + 76 = \sqrt[4][81] = 3