Question

Alguém me ajuda pfv

Answer 1

Resposta:

a)

$\sqrt{169}$ = 13

$\sqrt[3]{-64}$ = 4

$\sqrt{225}$ = 15

portanto, 4 x 13 - 2 x 4 + 15 =

52-8+15 =

59

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b)

$\sqrt{9+\sqrt{49} } =\sqrt{9+7} =\sqrt{16} =4\\\sqrt{125-4} =\sqrt{121} =11$