Question

}](-50-10)+11+19]+20}+10

Answer 1

{[-60+11+19]+20}+10
{-30+20}+10
-10+10= 0

Answer 2

Naotenho certeza mas acho q e assim
{[(-50-10)+11+19]+20}+10 {-40[+11+19]+20}+10
{-40+30+20}+10
-70+30+20+10
-100+20+10
-120+10
-130