| 1. | 11 - 3 = |
4
|
8
|
1
|
9
|
| 2. | 7 - 1 = |
4
|
7
|
6
|
10
|
| 3. | 13 - 8 = |
1
|
7
|
5
|
4
|
| 4. | 18 - 12 = |
6
|
3
|
9
|
1
|
| 5. | 17 - 14 = |
3
|
1
|
8
|
4
|
| 6. | 17 - 3 = |
14
|
10
|
17
|
13
|
| 7. | 16 - 5 = |
11
|
20
|
14
|
18
|
| 8. | 15 - 10 = |
9
|
4
|
5
|
10
|
| 9. | 15 - 9 = |
5
|
6
|
9
|
2
|
| 10. | 20 - 3 = |
17
|
13
|
12
|
14
|
| 11. | 12 - 8 = |
5
|
4
|
9
|
8
|
| 12. | 15 - 11 = |
1
|
3
|
9
|
4
|
| 1. | 11 - 3 = |
4
|
8
|
1
|
9
|
| 2. | 7 - 1 = |
4
|
7
|
6
|
10
|
| 3. | 13 - 8 = |
1
|
7
|
5
|
4
|
| 4. | 18 - 12 = |
6
|
3
|
9
|
1
|
| 5. | 17 - 14 = |
3
|
1
|
8
|
4
|
| 6. | 17 - 3 = |
14
|
10
|
17
|
13
|
| 7. | 16 - 5 = |
11
|
20
|
14
|
18
|
| 8. | 15 - 10 = |
9
|
4
|
5
|
10
|
| 9. | 15 - 9 = |
5
|
6
|
9
|
2
|
| 10. | 20 - 3 = |
17
|
13
|
12
|
14
|
| 11. | 12 - 8 = |
5
|
4
|
9
|
8
|
| 12. | 15 - 11 = |
1
|
3
|
9
|
4
|