Oie, tudo bom?
[tex] = \sqrt{4} + \sqrt{64} - \sqrt{25} \: . \: \sqrt{9} \\ = 2 + 8 - 5 \: . \: 3 \\ = 2 + 8 - 15 \\ = 10 - 15 \\ \boxed{ = - 5}[/tex]
Att. NLE Top Shotta
