Question

{87-[38+(15-5)+4]-12{-3=

Answer 1

{87-[38+(15-5)+4]-12}-3
{87-[38+10+4]-12}-3
{87-[48+4]-12}-3
{87-52-12}-3
{55-12}-3
43-3
40

Answer 2

{87-[38+(15-5)+4]-12}-3
{87-[38+10+4]-12}-3
{87-[48+4]-12}-3
{87-52-12}-3
{55-12}-3
43-3
40.
Sertinho tinha que por isso porque eu já sabia ☺☺