4+35+4 = 4+15+4 = 23а+35+а = 2а+158-48-1 = 8-32-1 = -25d-4d-1 = -3d-17+37-3 = 7+21-3 = 25d+3d-3 = 4d-37-27-3 = 7-14-3 = -107-c3-c = 7-3c-c = 7-4c
4+35+4 = 4+15+4 = 23
а+35+а = 2а+15
8-48-1 = 8-32-1 = -25
d-4d-1 = -3d-1
7+37-3 = 7+21-3 = 25
d+3d-3 = 4d-3
7-27-3 = 7-14-3 = -10
7-c3-c = 7-3c-c = 7-4c