Question

\/225-\/81 e \/225-81

mim ajudem aqui na raiz quadrada

Answer 1

√225 - √81 →  √225=15 e √81 =9
Logo: √225 - √81= 15 - 9= 6

√225 - 81 = √144
√144 = 12

Answer 2

$\sqrt{225} - \sqrt{81} \to~~15-9\to~~\underline{~6~}\\\\\\ \sqrt{225-81} \to~~ \sqrt{144} \to~~ \underline{~12~}$