Условие:

8 + 69;
97 + 8;
128 + 7;
146 + 5;
16 − (113);
12 − (127).

8 + 69 = 149 = 5;
97 + 8 = 2 + 8 = 10;
128 + 7 = 4 + 7 = 11;
146 + 5 = 8 + 5 = 13;
16 − (113) = 168 = 8;
12 − (127) = 125 = 7.