Question

{90 - [ 83 - 5 X ( 22 - 9 ) ] } : 12=

Answer 1

{90 - [ 83 - 5 X ( 22 - 9 ) ] } : 12

{90 - [ 83 - 5 X 13 ] } : 12

{90 - [ 83 - 65 ] } : 12

{90 - 18 } : 12  

72 : 12

6