Question

-20-{-4-[-8+(+12-6-2)+2+3]}

Answer 1

Resposta:

-15

Explicação passo-a-passo:

(12-6-2) = 4

[-8+4+2+3] = 1

{-4-1} = -5

-20-(-5) = -15

-20-{-4-[-8+(+12-6-2)+2+3]} = -15