Question

Resultdo dessa conta ? mas primeiro montem ela pfvr :(

3-{-5-{8-2+(-5+9) ???????
{2+[1+(-15-15)-2]}

Answer 1

3-{-5-{8-2+(-5+9)
3-{-5-{6+4}}
3-{-5-10}
3-(-15)
3+15
18

{2+[1+(-15-15)-2]}
{2+[1+(-30)-2]}
{2+[1-30-2]}
{2-31}
-29