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