| 1. | 9 - 9 = |
0
|
8
|
9
|
7
|
| 2. | 17 - 17 = |
5
|
0
|
7
|
2
|
| 3. | 17 - 17 = |
4
|
3
|
7
|
0
|
| 4. | 20 - 5 = |
13
|
12
|
15
|
14
|
| 5. | 10 - 8 = |
4
|
2
|
5
|
1
|
| 6. | 16 - 4 = |
12
|
14
|
15
|
16
|
| 7. | 18 - 5 = |
13
|
14
|
19
|
16
|
| 8. | 13 - 7 = |
7
|
8
|
6
|
5
|
| 9. | 19 - 11 = |
4
|
2
|
10
|
8
|
| 10. | 12 - 9 = |
8
|
6
|
3
|
1
|
| 11. | 18 - 16 = |
5
|
3
|
2
|
4
|
| 12. | 14 - 3 = |
14
|
11
|
18
|
13
|
| 1. | 9 - 9 = |
0
|
8
|
9
|
7
|
| 2. | 17 - 17 = |
5
|
0
|
7
|
2
|
| 3. | 17 - 17 = |
4
|
3
|
7
|
0
|
| 4. | 20 - 5 = |
13
|
12
|
15
|
14
|
| 5. | 10 - 8 = |
4
|
2
|
5
|
1
|
| 6. | 16 - 4 = |
12
|
14
|
15
|
16
|
| 7. | 18 - 5 = |
13
|
14
|
19
|
16
|
| 8. | 13 - 7 = |
7
|
8
|
6
|
5
|
| 9. | 19 - 11 = |
4
|
2
|
10
|
8
|
| 10. | 12 - 9 = |
8
|
6
|
3
|
1
|
| 11. | 18 - 16 = |
5
|
3
|
2
|
4
|
| 12. | 14 - 3 = |
14
|
11
|
18
|
13
|