Buna, ma ajutati si pe mine?

92-48:6-6x4+72:9-19
=92-8-24+8-19=49
73-5x4-(3x3x3:9+8x2)
=73-20-(1+16)
53-17=36
(96-17+6x4:8)-(12+48:6:4)
=(96-17+3)-(12+2)
=82-14=68