Question

Me ajudem, por favorrrr

Answer 1

Resposta:

A) $(-2)^3*(-1)^4-(-2)^3*5+(-1)^3*(-1)*(-5)^3=-93$

B) $2^{-1}+(\frac{1}{2})^{-2}+120^0-(-2)^3=13,5$

C) $(-\frac{3}{4})^2-[2,5+(-3-\frac{1}{4}):\frac{5}{2}-2^{-3}=-3,3625$