| 1. | 21 - 2 = |
19
|
16
|
10
|
13
|
| 2. | 33 - 4 = |
29
|
30
|
32
|
20
|
| 3. | 28 - 6 = |
46
|
38
|
22
|
25
|
| 4. | 37 - 26 = |
14
|
11
|
16
|
12
|
| 5. | 11 - 11 = |
4
|
10
|
2
|
0
|
| 6. | 28 - 10 = |
12
|
14
|
18
|
13
|
| 7. | 15 - 9 = |
6
|
1
|
7
|
10
|
| 8. | 14 - 1 = |
19
|
17
|
13
|
11
|
| 9. | 22 - 12 = |
10
|
5
|
1
|
7
|
| 10. | 20 - 15 = |
5
|
6
|
7
|
9
|
| 11. | 6 - 3 = |
4
|
8
|
9
|
3
|
| 12. | 26 - 9 = |
12
|
14
|
17
|
20
|
| 1. | 21 - 2 = |
19
|
16
|
10
|
13
|
| 2. | 33 - 4 = |
29
|
30
|
32
|
20
|
| 3. | 28 - 6 = |
46
|
38
|
22
|
25
|
| 4. | 37 - 26 = |
14
|
11
|
16
|
12
|
| 5. | 11 - 11 = |
4
|
10
|
2
|
0
|
| 6. | 28 - 10 = |
12
|
14
|
18
|
13
|
| 7. | 15 - 9 = |
6
|
1
|
7
|
10
|
| 8. | 14 - 1 = |
19
|
17
|
13
|
11
|
| 9. | 22 - 12 = |
10
|
5
|
1
|
7
|
| 10. | 20 - 15 = |
5
|
6
|
7
|
9
|
| 11. | 6 - 3 = |
4
|
8
|
9
|
3
|
| 12. | 26 - 9 = |
12
|
14
|
17
|
20
|