| 1. | 7 - 7 = |
4
|
0
|
1
|
6
|
| 2. | 10 - 9 = |
2
|
1
|
6
|
10
|
| 3. | 7 - 7 = |
0
|
7
|
8
|
6
|
| 4. | 8 - 7 = |
2
|
1
|
7
|
6
|
| 5. | 5 - 1 = |
1
|
5
|
8
|
4
|
| 6. | 4 - 4 = |
0
|
3
|
1
|
2
|
| 7. | 8 - 8 = |
10
|
0
|
4
|
2
|
| 8. | 9 - 3 = |
8
|
1
|
10
|
6
|
| 9. | 3 - 3 = |
1
|
0
|
5
|
3
|
| 10. | 10 - 1 = |
9
|
5
|
7
|
4
|
| 11. | 8 - 7 = |
6
|
3
|
1
|
9
|
| 12. | 5 - 4 = |
6
|
7
|
1
|
8
|
| 1. | 7 - 7 = |
4
|
0
|
1
|
6
|
| 2. | 10 - 9 = |
2
|
1
|
6
|
10
|
| 3. | 7 - 7 = |
0
|
7
|
8
|
6
|
| 4. | 8 - 7 = |
2
|
1
|
7
|
6
|
| 5. | 5 - 1 = |
1
|
5
|
8
|
4
|
| 6. | 4 - 4 = |
0
|
3
|
1
|
2
|
| 7. | 8 - 8 = |
10
|
0
|
4
|
2
|
| 8. | 9 - 3 = |
8
|
1
|
10
|
6
|
| 9. | 3 - 3 = |
1
|
0
|
5
|
3
|
| 10. | 10 - 1 = |
9
|
5
|
7
|
4
|
| 11. | 8 - 7 = |
6
|
3
|
1
|
9
|
| 12. | 5 - 4 = |
6
|
7
|
1
|
8
|