Question

-20{-10-[-8+(5-12)]-20} qual a resposta

Answer 1

-20 ( -10 - ( -8 + ( -7) -20 = -20 (-10 - ( -15) -20 = -20 (- 10 +15) -20 = -20 +5 -20 = -35. 
Resposta: -35