Question

{54+[72:2+(7.9-6:2)]+3}:9=

Answer 1

{54+[72:2+(7.9-6:2)]+3}:9

{54+[72:2+(63-3)]+3}:9

{54+[72:2+ 60]+3}:9

{54+[36+60]+3}:9

{54+96+3}:9

153:9

17