Question

simplifique a expressao:
$\frac{( - 5) ^{2} - 4^{2} + ( \frac{1}{5} ) ^{0}}{ {3}^{ - 2} + 1}$
​

Answer 1

Resposta:

Explicação passo a passo:

(-5)^2 -4^2 + (1/5)^0/3^-2 +1 =

25 -16 +1/ (1/3)^2+1 =

9+1/1/9+1=

10/1/9+9/9=

10/10/9=

10/1:10/9=

10/1.9/10=

90/10=

9