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