Question

{[40+2.(7-5)]×2-18}÷10

Answer 1

bom dia! {[40+2.(7-5)]x2-18}:10
               {[40+2.2]x2-18}:10
               {[40+4]x2-18}:10
               {40+4x2-18}:10
               {44x2-18}:10
               70:10
               7


espero ter te ajudado            

Answer 2

{[40+2.(7-5)]×2-18}÷10

{[40+2.2]x2-18}÷10

{[40+4]x2-18}÷10

{44x2-18}÷10

{88-18}÷10

70÷10 = 7<---- Resposta

Forte abraço!