| 1. | 21 - 4 = |
17
|
10
|
15
|
12
|
| 2. | 25 - 3 = |
26
|
22
|
37
|
23
|
| 3. | 29 - 10 = |
10
|
18
|
13
|
19
|
| 4. | 11 - 2 = |
1
|
7
|
5
|
9
|
| 5. | 22 - 9 = |
18
|
16
|
11
|
13
|
| 6. | 27 - 7 = |
20
|
15
|
11
|
19
|
| 7. | 28 - 16 = |
10
|
12
|
13
|
14
|
| 8. | 23 - 2 = |
42
|
30
|
29
|
21
|
| 9. | 26 - 15 = |
15
|
13
|
11
|
17
|
| 10. | 22 - 16 = |
4
|
5
|
2
|
6
|
| 11. | 20 - 2 = |
20
|
18
|
13
|
16
|
| 12. | 15 - 4 = |
17
|
13
|
15
|
11
|
| 1. | 21 - 4 = |
17
|
10
|
15
|
12
|
| 2. | 25 - 3 = |
26
|
22
|
37
|
23
|
| 3. | 29 - 10 = |
10
|
18
|
13
|
19
|
| 4. | 11 - 2 = |
1
|
7
|
5
|
9
|
| 5. | 22 - 9 = |
18
|
16
|
11
|
13
|
| 6. | 27 - 7 = |
20
|
15
|
11
|
19
|
| 7. | 28 - 16 = |
10
|
12
|
13
|
14
|
| 8. | 23 - 2 = |
42
|
30
|
29
|
21
|
| 9. | 26 - 15 = |
15
|
13
|
11
|
17
|
| 10. | 22 - 16 = |
4
|
5
|
2
|
6
|
| 11. | 20 - 2 = |
20
|
18
|
13
|
16
|
| 12. | 15 - 4 = |
17
|
13
|
15
|
11
|