| 1. | 14 - 13 = |
8
|
1
|
6
|
10
|
| 2. | 24 - 21 = |
4
|
9
|
6
|
3
|
| 3. | 23 - 4 = |
20
|
19
|
13
|
17
|
| 4. | 18 - 2 = |
10
|
16
|
13
|
19
|
| 5. | 12 - 7 = |
10
|
6
|
5
|
2
|
| 6. | 40 - 5 = |
41
|
35
|
29
|
25
|
| 7. | 18 - 8 = |
10
|
7
|
4
|
2
|
| 8. | 2 - 1 = |
4
|
2
|
3
|
1
|
| 9. | 40 - 29 = |
13
|
16
|
11
|
17
|
| 10. | 30 - 17 = |
13
|
14
|
10
|
17
|
| 11. | 9 - 7 = |
4
|
2
|
7
|
10
|
| 12. | 18 - 12 = |
6
|
7
|
8
|
5
|
| 1. | 14 - 13 = |
8
|
1
|
6
|
10
|
| 2. | 24 - 21 = |
4
|
9
|
6
|
3
|
| 3. | 23 - 4 = |
20
|
19
|
13
|
17
|
| 4. | 18 - 2 = |
10
|
16
|
13
|
19
|
| 5. | 12 - 7 = |
10
|
6
|
5
|
2
|
| 6. | 40 - 5 = |
41
|
35
|
29
|
25
|
| 7. | 18 - 8 = |
10
|
7
|
4
|
2
|
| 8. | 2 - 1 = |
4
|
2
|
3
|
1
|
| 9. | 40 - 29 = |
13
|
16
|
11
|
17
|
| 10. | 30 - 17 = |
13
|
14
|
10
|
17
|
| 11. | 9 - 7 = |
4
|
2
|
7
|
10
|
| 12. | 18 - 12 = |
6
|
7
|
8
|
5
|