Question

Como resolver {[(8.4+3)÷7+
(3+15÷5).3].2-(19-7)÷6}.2+12=

Answer 1

Resposta:

Explicação passo-a-passo:

{[(8•4+3):7+(3+15:5)•3]•2-9(19-7):6}•2+12

{[(32+3):7+(3+3)•3]•2-9•12:6}•2+12

{[35:7+6•3]•2-9•12:6}•2+12

{[5+18]•2-108:6}•2+12

{23•2-18}•2+12

{46-18}•2+12

28•2+12

56+12