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