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