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