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