Условие:

137 + 6
126 + 7
115 + 8
80 + 0 + 3
700 + 9
0 + 90 + 5
189
179
178

137 + 6 = 6 + 6 = 12
126 + 7 = 6 + 7 = 13
115 + 8 = 6 + 8 = 14
80 + 0 + 3 = 83
700 + 9 = 79
0 + 90 + 5 = 95
189 = 9
179 = 8
178 = 9