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