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