| 1. | 7 - 6 = |
7
|
4
|
1
|
9
|
| 2. | 12 - 7 = |
3
|
5
|
1
|
4
|
| 3. | 30 - 14 = |
14
|
18
|
11
|
16
|
| 4. | 1 - 1 = |
3
|
0
|
1
|
6
|
| 5. | 30 - 13 = |
17
|
18
|
15
|
10
|
| 6. | 30 - 3 = |
31
|
49
|
50
|
27
|
| 7. | 17 - 12 = |
1
|
3
|
5
|
4
|
| 8. | 2 - 2 = |
9
|
8
|
0
|
5
|
| 9. | 29 - 10 = |
15
|
14
|
12
|
19
|
| 10. | 13 - 10 = |
5
|
3
|
7
|
2
|
| 11. | 30 - 18 = |
18
|
20
|
12
|
19
|
| 12. | 18 - 5 = |
19
|
13
|
15
|
16
|
| 1. | 7 - 6 = |
7
|
4
|
1
|
9
|
| 2. | 12 - 7 = |
3
|
5
|
1
|
4
|
| 3. | 30 - 14 = |
14
|
18
|
11
|
16
|
| 4. | 1 - 1 = |
3
|
0
|
1
|
6
|
| 5. | 30 - 13 = |
17
|
18
|
15
|
10
|
| 6. | 30 - 3 = |
31
|
49
|
50
|
27
|
| 7. | 17 - 12 = |
1
|
3
|
5
|
4
|
| 8. | 2 - 2 = |
9
|
8
|
0
|
5
|
| 9. | 29 - 10 = |
15
|
14
|
12
|
19
|
| 10. | 13 - 10 = |
5
|
3
|
7
|
2
|
| 11. | 30 - 18 = |
18
|
20
|
12
|
19
|
| 12. | 18 - 5 = |
19
|
13
|
15
|
16
|