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