Question

resultado da conta {10-[5+(-8-3)]-2+(7-9)}+(+5)

Answer 1

{10-[5+(-11)]-2+(7-9)}+(+5)
{10-[5-11]-2+(7-9)}+(+5)
{10-16-2+(7-9)}+(+5)
{10-16-2-2}+(+5)
-10+(+5)
-10+5
=-5