Răspuns:
Explicație pas cu pas:
[(4x7x2:14-27:27):1+524:131]x6-36
[(28x2:14-1):1+524:131]X6-36
[(56:14-1):1+524:131]X6-36
[( 4-1):1+524:131]x6-36
(3:1+524:131)x6-36
(3+4)x6-36=
7x6-36=
42-36=6