| 1. | 12 + 8 = |
15
|
18
|
17
|
20
|
| 2. | 5 + 2 = |
7
|
4
|
8
|
2
|
| 3. | 13 + 6 = |
18
|
19
|
11
|
20
|
| 4. | 4 + 3 = |
6
|
4
|
7
|
3
|
| 5. | 8 + 3 = |
20
|
17
|
18
|
11
|
| 6. | 4 + 1 = |
10
|
5
|
2
|
1
|
| 7. | 3 + 3 = |
8
|
3
|
6
|
10
|
| 8. | 12 + 4 = |
14
|
10
|
11
|
16
|
| 9. | 10 + 7 = |
17
|
10
|
11
|
14
|
| 10. | 3 + 2 = |
5
|
7
|
4
|
2
|
| 11. | 9 + 4 = |
13
|
12
|
15
|
19
|
| 12. | 13 + 10 = |
44
|
23
|
22
|
38
|
| 1. | 12 + 8 = |
15
|
18
|
17
|
20
|
| 2. | 5 + 2 = |
7
|
4
|
8
|
2
|
| 3. | 13 + 6 = |
18
|
19
|
11
|
20
|
| 4. | 4 + 3 = |
6
|
4
|
7
|
3
|
| 5. | 8 + 3 = |
20
|
17
|
18
|
11
|
| 6. | 4 + 1 = |
10
|
5
|
2
|
1
|
| 7. | 3 + 3 = |
8
|
3
|
6
|
10
|
| 8. | 12 + 4 = |
14
|
10
|
11
|
16
|
| 9. | 10 + 7 = |
17
|
10
|
11
|
14
|
| 10. | 3 + 2 = |
5
|
7
|
4
|
2
|
| 11. | 9 + 4 = |
13
|
12
|
15
|
19
|
| 12. | 13 + 10 = |
44
|
23
|
22
|
38
|