Question

[-4. (5 - 12 +16) - (2. (8-5))] : (-1):

Answer 1

Primero recuerda la jerarquía
[-4. (5 - 12 +16) - (2. (8-5))] : (-1):

[[-4. (5 - 12 +16) - 6] : (-1)

[[-4. 9 - 6] : (-1)

-42:-2=42