Приведите подобные слагаемые: -p+1,02q-23/25q-2,5p+9/8p
-p+1,02q-23/25q-2,5p+9/8p=-p-2 5/10p+9/8p+1 2/10q-23/25q=-40/40p-100/40p+45/40p+60/50q-46/50q=-95/40p-106/50q+14/50q=2 6/50p+14/60q=2 3/25p+7/30q