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