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