Question

15 PTS. ME AJUDEM PFVR!!!

Answer 1

Explicação passo-a-passo:

a)

$3\times (12-8)=3\times 4=12$

b)

$3(4)+4^3=12+64=86$

c)

$(-2)^3-(-2)^2+2(-2)=(-8)-4-4=(-16)$

d)

$3(4)+\frac{4}{4}-5$

$12+1-5=8$