Question

Considere as igualdades ³√64+5√-243-49½

Answer 1

$\sqrt[3]{64} + \sqrt[5]{-243} - 49^{ \frac{1}{2} } \\ \\ \sqrt[3]{ 4^{3} } + \sqrt[5]{- 3^{5} } - \sqrt{49} \\ \\ 4 -3-7= \\ \\ -6$

Answer 2

³√64+5√-243-49½
   4 + 5(-3) - 7
   4 - 15 - 7
    - 18