Решим примеры:
8 + 0 + 0 + 6 = 14
8 - 0 + 0 * 6 = 8 - 0 + 0 = 8
9 - 0 - 6 * 1 = 9 - 0 - 6 = 3
9 + 0 + 6 : 1 = 9 + 0 + 6 = 15
0 : 7 + 0 * 5 + 3 = 0 + 0 + 3 = 3
7 : 7 - 0 * (4 + 2) = 1 - 0 * 6 = 1 - 0 = 1