| 1. | 54 - 27 = |
20
|
35
|
27
|
32
|
| 2. | 24 - 13 = |
14
|
11
|
20
|
19
|
| 3. | 88 - 81 = |
5
|
3
|
7
|
6
|
| 4. | 100 - 31 = |
75
|
94
|
91
|
69
|
| 5. | 57 - 7 = |
48
|
21
|
32
|
50
|
| 6. | 20 - 12 = |
8
|
9
|
1
|
10
|
| 7. | 28 - 27 = |
8
|
4
|
1
|
5
|
| 8. | 41 - 7 = |
21
|
50
|
34
|
24
|
| 9. | 52 - 24 = |
30
|
28
|
21
|
38
|
| 10. | 73 - 68 = |
5
|
2
|
4
|
8
|
| 11. | 88 - 51 = |
37
|
39
|
49
|
36
|
| 12. | 100 - 38 = |
62
|
54
|
86
|
57
|
| 1. | 54 - 27 = |
20
|
35
|
27
|
32
|
| 2. | 24 - 13 = |
14
|
11
|
20
|
19
|
| 3. | 88 - 81 = |
5
|
3
|
7
|
6
|
| 4. | 100 - 31 = |
75
|
94
|
91
|
69
|
| 5. | 57 - 7 = |
48
|
21
|
32
|
50
|
| 6. | 20 - 12 = |
8
|
9
|
1
|
10
|
| 7. | 28 - 27 = |
8
|
4
|
1
|
5
|
| 8. | 41 - 7 = |
21
|
50
|
34
|
24
|
| 9. | 52 - 24 = |
30
|
28
|
21
|
38
|
| 10. | 73 - 68 = |
5
|
2
|
4
|
8
|
| 11. | 88 - 51 = |
37
|
39
|
49
|
36
|
| 12. | 100 - 38 = |
62
|
54
|
86
|
57
|