Увеличь на 8 9 17 32 61 90 86 Уменьши на 9 9 16 50 39 72 95
1) 9+8 = 17 17+8 = 25 32 + 8 = 40 61 + 8 = 69 90 + 8 = 98 86 + 8 = 94 2) 9 - 9 = 0 16 - 9 = 7 50 - 9 = 41 39 - 9 = 30 72 - 9 = 63 95 - 9 = 86