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