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| 1 Addition |
1 Subtraction |
1 Multiplication |
1 Division |
| 0 + 1 = 1 |
2 - 1 = 1 |
1 x 1 = 1 |
1 ÷ 1 = 1 |
| 1 + 1 = 2 |
3 - 1 = 2 |
2 x 1 = 2 |
2 ÷ 1 = 2 |
| 2 + 1 = 3 |
4 - 1 = 3 |
3 x 1 = 3 |
3 ÷ 1 = 3 |
| 3 + 1 = 4 |
5 - 1 = 4 |
4 x 1 = 4 |
4 ÷ 1 = 4 |
| 4 + 1 = 5 |
6 - 1 = 5 |
5 x 1 = 5 |
5 ÷ 1 = 5 |
| 5 + 1 = 6 |
7 - 1 = 6 |
6 x 1 = 6 |
6 ÷ 1 = 6 |
| 6 + 1 = 7 |
8 - 1 = 7 |
7 x 1 = 7 |
7 ÷ 1 = 7 |
| 7 + 1 = 8 |
9 - 1 = 8 |
8 x 1 = 8 |
8 ÷ 1 = 8 |
| 8 + 1 = 9 |
10 - 1 = 9 |
9 x 1 = 9 |
9 ÷ 1 = 9 |
| 9 + 1 = 10 |
11 - 1 = 10 |
10 x 1 = 10 |
10 ÷ 1 = 10 |
| 10 + 1 = 11 |
12 - 1 = 11 |
11 x 1 = 11 |
11 ÷ 1 = 11 |
| 11 + 1 = 12 |
13 - 1 = 12 |
12 x 1 = 12 |
12 ÷ 1 = 12 |
| 12 + 1 = 13 |
14 - 1 = 13 |
13 x 1 = 13 |
13 ÷ 1 = 13 |
| 13 + 1 = 14 |
15 - 1 = 14 |
14 x 1 = 14 |
14 ÷ 1 = 14 |
| 14 + 1 = 15 |
16 - 1 = 15 |
15 x 1 = 15 |
15 ÷ 1 = 15 |
| 15 + 1 = 16 |
17 - 1 = 16 |
16 x 1 = 16 |
16 ÷ 1 = 16 |
| 16 + 1 = 17 |
18 - 1 = 17 |
17 x 1 = 17 |
17 ÷ 1 = 17 |
| 17 + 1 = 18 |
19 - 1 = 18 |
18 x 1 = 18 |
18 ÷ 1 = 18 |
| 18 + 1 = 19 |
20 - 1 = 19 |
19 x 1 = 19 |
19 ÷ 1 = 19 |
| 19 + 1 = 20 |
21 - 1 = 20 |
20 x 1 = 20 |
20 ÷ 1 = 20 |