Question

calcule o valor da expressão
-20-{-4-[-8+(+12-6-2)+2+3]}

Answer 1

-20-(-4-(-8+(12-6-2)+2+3))
-20-(-4-(-8+4+2+3))
-20-(-4-1)
-20-(-5)
-20+5
-15

Answer 2

-20-{-4-[-8+(+12-6-2)+2+3]}
-20-{-4-[-8+4+2+3]}
-20-{-4-[-8+4+2+3]}
-20-{-4-[+1]}
-20-{-5}
-15