| 1. | 63 - 21 = |
45
|
27
|
42
|
34
|
| 2. | 34 - 28 = |
7
|
6
|
2
|
5
|
| 3. | 97 - 1 = |
96
|
81
|
60
|
66
|
| 4. | 61 - 22 = |
41
|
39
|
26
|
33
|
| 5. | 91 - 41 = |
29
|
48
|
50
|
37
|
| 6. | 62 - 49 = |
20
|
10
|
11
|
13
|
| 7. | 72 - 12 = |
56
|
67
|
60
|
53
|
| 8. | 12 - 11 = |
1
|
3
|
4
|
6
|
| 9. | 86 - 55 = |
34
|
43
|
31
|
23
|
| 10. | 42 - 18 = |
24
|
28
|
33
|
36
|
| 11. | 87 - 80 = |
5
|
9
|
7
|
1
|
| 12. | 99 - 72 = |
34
|
50
|
27
|
36
|
| 1. | 63 - 21 = |
45
|
27
|
42
|
34
|
| 2. | 34 - 28 = |
7
|
6
|
2
|
5
|
| 3. | 97 - 1 = |
96
|
81
|
60
|
66
|
| 4. | 61 - 22 = |
41
|
39
|
26
|
33
|
| 5. | 91 - 41 = |
29
|
48
|
50
|
37
|
| 6. | 62 - 49 = |
20
|
10
|
11
|
13
|
| 7. | 72 - 12 = |
56
|
67
|
60
|
53
|
| 8. | 12 - 11 = |
1
|
3
|
4
|
6
|
| 9. | 86 - 55 = |
34
|
43
|
31
|
23
|
| 10. | 42 - 18 = |
24
|
28
|
33
|
36
|
| 11. | 87 - 80 = |
5
|
9
|
7
|
1
|
| 12. | 99 - 72 = |
34
|
50
|
27
|
36
|