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