| 1. | 28 - 12 = |
15
|
19
|
16
|
17
|
| 2. | 13 - 1 = |
16
|
20
|
12
|
10
|
| 3. | 14 - 4 = |
6
|
10
|
4
|
7
|
| 4. | 16 - 2 = |
13
|
16
|
14
|
20
|
| 5. | 30 - 17 = |
14
|
18
|
13
|
10
|
| 6. | 29 - 5 = |
37
|
24
|
36
|
31
|
| 7. | 27 - 25 = |
9
|
2
|
3
|
8
|
| 8. | 8 - 2 = |
8
|
5
|
7
|
6
|
| 9. | 28 - 17 = |
11
|
18
|
13
|
12
|
| 10. | 19 - 2 = |
10
|
17
|
20
|
15
|
| 11. | 18 - 4 = |
12
|
17
|
14
|
19
|
| 12. | 17 - 13 = |
4
|
5
|
2
|
10
|
| 1. | 28 - 12 = |
15
|
19
|
16
|
17
|
| 2. | 13 - 1 = |
16
|
20
|
12
|
10
|
| 3. | 14 - 4 = |
6
|
10
|
4
|
7
|
| 4. | 16 - 2 = |
13
|
16
|
14
|
20
|
| 5. | 30 - 17 = |
14
|
18
|
13
|
10
|
| 6. | 29 - 5 = |
37
|
24
|
36
|
31
|
| 7. | 27 - 25 = |
9
|
2
|
3
|
8
|
| 8. | 8 - 2 = |
8
|
5
|
7
|
6
|
| 9. | 28 - 17 = |
11
|
18
|
13
|
12
|
| 10. | 19 - 2 = |
10
|
17
|
20
|
15
|
| 11. | 18 - 4 = |
12
|
17
|
14
|
19
|
| 12. | 17 - 13 = |
4
|
5
|
2
|
10
|