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