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