| 1. | 81 - 31 = |
50
|
20
|
27
|
33
|
| 2. | 16 - 11 = |
1
|
4
|
7
|
5
|
| 3. | 27 - 24 = |
1
|
9
|
3
|
4
|
| 4. | 76 - 55 = |
45
|
28
|
22
|
21
|
| 5. | 91 - 71 = |
12
|
20
|
18
|
14
|
| 6. | 74 - 50 = |
40
|
28
|
24
|
37
|
| 7. | 96 - 73 = |
49
|
36
|
23
|
38
|
| 8. | 63 - 45 = |
13
|
10
|
15
|
18
|
| 9. | 98 - 37 = |
61
|
69
|
56
|
65
|
| 10. | 58 - 12 = |
48
|
45
|
46
|
47
|
| 11. | 71 - 65 = |
6
|
3
|
7
|
9
|
| 12. | 78 - 61 = |
17
|
14
|
18
|
19
|
| 1. | 81 - 31 = |
50
|
20
|
27
|
33
|
| 2. | 16 - 11 = |
1
|
4
|
7
|
5
|
| 3. | 27 - 24 = |
1
|
9
|
3
|
4
|
| 4. | 76 - 55 = |
45
|
28
|
22
|
21
|
| 5. | 91 - 71 = |
12
|
20
|
18
|
14
|
| 6. | 74 - 50 = |
40
|
28
|
24
|
37
|
| 7. | 96 - 73 = |
49
|
36
|
23
|
38
|
| 8. | 63 - 45 = |
13
|
10
|
15
|
18
|
| 9. | 98 - 37 = |
61
|
69
|
56
|
65
|
| 10. | 58 - 12 = |
48
|
45
|
46
|
47
|
| 11. | 71 - 65 = |
6
|
3
|
7
|
9
|
| 12. | 78 - 61 = |
17
|
14
|
18
|
19
|