ЧИСЛИТЕЛЬ
Пошаговое объяснение:
1) С = 6/15+1/15 = 7/15
2) Ь = 12/15-6/15 = 6/15
3) И = 2/15+3/15 = 5/15
4) Т = 11/15-3/15 = 8/15
5) Л = 4/15+5/15 = 9/15
6) Е = 12/15-2/15 = 10/15
7) Ч = 10/15-7/15 = 3/15
