Răspuns :
[(8*3*25-64*5):(5*8)*(9*5-25-9)-9*7]
[(24*25-64*5):40*(45-25-9)-63]
[(600-320):40*(20-9)-63]
(280:40*11-63)
(7*11-63)
(77-63)
=14
* ESTE ORI
[(8•3•25-64•5):(5•8)•9•5-25-9-9•7]:7+4=
=[(600-320):40•45-16-63]:7+4=
=(280:40•45-16-63):7+4=
=(7•45-16-63):7+4=
=(315-16-63):7+4=
=236:7+4=33,7+4=37,7