Fie a = 127 - 3 x 12 ( b - c ) . : b = 134 +2x17+432:12 si c = 17 x
: Fie a = 127  - 3 x 12 ( b - c ) .


: b = 134 +2x17+432:12 si c = 17 x 12 - 476:24- 12 .