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