Question

{32 - 8 × [ 23 + 4 × (-7) + 9] - 12} + 17

Answer 1

Resolver.

{ 32 - 8 x [23 + 4 x ( - 7) + 9] - 12} + 17 =
{ 32 - 8 x [23 - 28 + 9] - 12 } + 17 =
{ 32 - 8 x[32 - 28] - 12 } + 17
{ 32 - 8 x[ 4] - 12} + 17 =
{ 32 -  32 - 12 } + 17 =
32 - 32 - 12 + 17 =
- 12 + 17 =
 5

Respuesta.
5