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