Question

Qual o cálculo -10-{-2+[+1-(-3-5)+3-]}

Answer 1

-10-{-2+[+1-(-3-5)+3]}
-10-{-2+[+1+3+5+3]}
-10-{-2+1+3+5+3}
-10+2-1-3-5-3
-20