| 1. | 13 - 6 = |
7
|
10
|
3
|
5
|
| 2. | 19 - 7 = |
14
|
10
|
15
|
12
|
| 3. | 16 - 7 = |
9
|
2
|
7
|
3
|
| 4. | 14 - 9 = |
7
|
5
|
1
|
8
|
| 5. | 6 - 1 = |
8
|
5
|
10
|
6
|
| 6. | 19 - 1 = |
11
|
18
|
20
|
12
|
| 7. | 13 - 1 = |
19
|
11
|
18
|
12
|
| 8. | 19 - 14 = |
9
|
2
|
5
|
7
|
| 9. | 15 - 1 = |
11
|
14
|
16
|
10
|
| 10. | 18 - 16 = |
8
|
9
|
2
|
6
|
| 11. | 13 - 8 = |
2
|
5
|
10
|
9
|
| 12. | 20 - 16 = |
6
|
2
|
4
|
7
|
| 1. | 13 - 6 = |
7
|
10
|
3
|
5
|
| 2. | 19 - 7 = |
14
|
10
|
15
|
12
|
| 3. | 16 - 7 = |
9
|
2
|
7
|
3
|
| 4. | 14 - 9 = |
7
|
5
|
1
|
8
|
| 5. | 6 - 1 = |
8
|
5
|
10
|
6
|
| 6. | 19 - 1 = |
11
|
18
|
20
|
12
|
| 7. | 13 - 1 = |
19
|
11
|
18
|
12
|
| 8. | 19 - 14 = |
9
|
2
|
5
|
7
|
| 9. | 15 - 1 = |
11
|
14
|
16
|
10
|
| 10. | 18 - 16 = |
8
|
9
|
2
|
6
|
| 11. | 13 - 8 = |
2
|
5
|
10
|
9
|
| 12. | 20 - 16 = |
6
|
2
|
4
|
7
|