Question

{[(8,4+3):7+(3+15:5).3].2-(19-7):6}.2+12=

Answer 1

{[(8,4+3):7+(3+15:5).3].2-(19-7):6}.2+12=

{[11,4:7+(3+15:5).3].2-(19-7):6}.2+12=

{[1,62+(3+3).3].2-12:6}.2+12

{[1,62+6.3].2-2}.2+12

{[1,62+18].0}.2+12

{[19,62].0}.2+12

{19,62.0}.2+12

0.2+12

0+12

12