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