Question

ayudenme
{[(3 - 4 + 7) - (9 - 6)] + (-20 + 9)} - 10

Answer 1

{[(3-4+7)-(9-6)]+(-20+9)}-10
{[(-1+7)-3]-11}-10
{[6-3]-11}-10
{3-11}-10
-8-10
-18

Answer 2

{[(3 - 4 + 7) - (9 - 6)] + (-20 + 9)} - 10
6 - 3 + (- 11) - 10
6 - 3 - 11 - 10
3 - 21
- 18// Respuesta