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