Question

Fazendo as contas calcule: $\sqrt{9} + 2 ( 5^{2} - 20 ) + \sqrt{121}$

Answer 1

$\sqrt{9} + 2 ( 5^{2} - 20 ) + \sqrt{121} = \\ \\ 3 + 2(25 - 20) + 11 = \\ \\ 3 + 2(5) + 11 = \\ \\ 24$