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