Question

{[8+8×9)÷(81÷3-7)×(45÷3-10)]÷5

Answer 1

Resposta:

{[(8+8×9):(81:3−7×(45:3−10)]:5}:2

{[(8+72):(27−7×(15−10)]:5}:2

{[80:(27−7×5)]:5}:2

{[80:(27−35)]:5}:2

{[80:(−8)]:5}:2

{−10:5}:2

−2:2

−1