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