| 1. | 30 - 20 = |
6
|
1
|
10
|
2
|
| 2. | 6 - 1 = |
10
|
5
|
1
|
9
|
| 3. | 22 - 1 = |
21
|
34
|
44
|
45
|
| 4. | 18 - 7 = |
19
|
14
|
11
|
17
|
| 5. | 16 - 13 = |
6
|
10
|
1
|
3
|
| 6. | 22 - 2 = |
13
|
19
|
15
|
20
|
| 7. | 19 - 16 = |
7
|
6
|
1
|
3
|
| 8. | 5 - 1 = |
6
|
8
|
4
|
3
|
| 9. | 8 - 6 = |
7
|
4
|
3
|
2
|
| 10. | 29 - 14 = |
10
|
15
|
20
|
14
|
| 11. | 22 - 4 = |
18
|
19
|
13
|
10
|
| 12. | 26 - 5 = |
21
|
39
|
30
|
34
|
| 1. | 30 - 20 = |
6
|
1
|
10
|
2
|
| 2. | 6 - 1 = |
10
|
5
|
1
|
9
|
| 3. | 22 - 1 = |
21
|
34
|
44
|
45
|
| 4. | 18 - 7 = |
19
|
14
|
11
|
17
|
| 5. | 16 - 13 = |
6
|
10
|
1
|
3
|
| 6. | 22 - 2 = |
13
|
19
|
15
|
20
|
| 7. | 19 - 16 = |
7
|
6
|
1
|
3
|
| 8. | 5 - 1 = |
6
|
8
|
4
|
3
|
| 9. | 8 - 6 = |
7
|
4
|
3
|
2
|
| 10. | 29 - 14 = |
10
|
15
|
20
|
14
|
| 11. | 22 - 4 = |
18
|
19
|
13
|
10
|
| 12. | 26 - 5 = |
21
|
39
|
30
|
34
|