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