| 1. | 16 - 10 = |
1
|
6
|
5
|
8
|
| 2. | 19 - 13 = |
1
|
10
|
6
|
4
|
| 3. | 16 - 4 = |
17
|
18
|
12
|
20
|
| 4. | 4 - 3 = |
5
|
9
|
1
|
3
|
| 5. | 17 - 6 = |
12
|
11
|
19
|
17
|
| 6. | 12 - 8 = |
1
|
6
|
3
|
4
|
| 7. | 18 - 11 = |
7
|
2
|
9
|
5
|
| 8. | 20 - 9 = |
20
|
12
|
18
|
11
|
| 9. | 15 - 5 = |
9
|
10
|
7
|
8
|
| 10. | 17 - 5 = |
18
|
19
|
12
|
13
|
| 11. | 17 - 14 = |
1
|
6
|
4
|
3
|
| 12. | 9 - 6 = |
2
|
5
|
3
|
1
|
| 1. | 16 - 10 = |
1
|
6
|
5
|
8
|
| 2. | 19 - 13 = |
1
|
10
|
6
|
4
|
| 3. | 16 - 4 = |
17
|
18
|
12
|
20
|
| 4. | 4 - 3 = |
5
|
9
|
1
|
3
|
| 5. | 17 - 6 = |
12
|
11
|
19
|
17
|
| 6. | 12 - 8 = |
1
|
6
|
3
|
4
|
| 7. | 18 - 11 = |
7
|
2
|
9
|
5
|
| 8. | 20 - 9 = |
20
|
12
|
18
|
11
|
| 9. | 15 - 5 = |
9
|
10
|
7
|
8
|
| 10. | 17 - 5 = |
18
|
19
|
12
|
13
|
| 11. | 17 - 14 = |
1
|
6
|
4
|
3
|
| 12. | 9 - 6 = |
2
|
5
|
3
|
1
|