Question

me ajudem por favor​

Answer 1

$5^3- \left \{[10 + (7-8)^2]^2 -4+23$

$125 - \left \{[10+(-1^2)]^2-4+23$

$125 -\left \{[10+1]^2-4+23$

$125-\left \{121- 4+23 \left \}$

$125- \left \{ 127-23\left\}$

$125 -\left \{{140\left\}$

$= -15$

Espero ter ajudado!