12 + 5 = 5 + 3 = 11 + 4 = 10 − 6 =
6 + 5 = 4 − 1 = 17 − 13 = 17 − 0 =
5 + 13 = 0 + 5 = 10 − 0 = 14 − 14 =
5 + 4 = 11 − 9 = 19 − 2 = 12 − 2 =
14 − 3 = 5 + 1 = 1 + 16 = 4 + 1 =
13 + 7 = 8 + 1 = 8 + 12 = 6 + 6 =
17 − 7 = 1 + 2 = 11 − 8 = 20 − 7 =
19 − 13 = 8 + 4 = 2 + 8 = 13 − 11 =
16 − 15 = 7 + 8 = 4 + 8 = 15 − 14 =
1 + 17 = 20 − 3 = 15 − 1 = 20 − 13 =
3 + 5 = 7 + 10 = 1 + 8 = 8 − 4 =
18 − 12 = 1 + 11 = 15 + 1 = 18 − 10 =
7 + 1 = 1 + 10 = 17 − 4 = 9 − 4 =
18 − 16 = 11 − 3 = 6 − 3 = 10 + 6 =
14 + 3 = 8 − 6 = 11 − 5 = 8 − 5 =
4 + 7 = 19 − 14 = 5 + 5 = 1 + 14 =
12 − 5 = 5 − 5 = 9 + 1 = 14 − 1 =
2 + 13 = 13 − 2 = 20 − 16 = 7 + 5 =
14 − 7 = 4 + 11 = 15 − 4 = 9 + 10 =
17 + 1 = 8 + 3 = 3 + 13 = 10 − 9 =
15 − 15 = 15 − 13 = 3 − 2 = 9 + 11 =
7 − 2 = 19 − 3 = 14 − 2 = 12 + 2 =
4 − 2 = 10 − 8 = 5 + 10 = 15 − 11 =
2 + 1 = 14 − 13 = 13 + 3 = 12 − 1 =
11 + 5 = 3 + 1 = 9 + 8 = 10 + 8 =