 4 3 |
| + 3 4 |
| _________ |
| 6 8 |
| _________ | |
| 4 3 |
| + 5 5 |
| _________ |
| 8 5 |
| _________ | |
| 4 6 |
| + 5 4 |
| _________ |
| 7 9 |
| _________ | |
| 4 7 |
| + 3 4 |
| _________ |
| 9 9 |
| _________ | |
| 5 1 |
| + 5 4 |
| _________ |
| 7 4 |
| _________ | |
| 2 2 |
| + 5 5 |
| _________ |
| 8 9 |
| _________ | |
| 3 8 |
| + 3 6 |
| _________ |
| 9 9 |
| _________ | |
| 2 6 |
| + 4 6 |
| _________ |
| 7 7 |
| _________ | |
| 5 2 |
| − 4 4 |
| _________ |
| 5 0 |
| _________ | |
| 6 7 |
| − 5 4 |
| _________ |
| 2 2 |
| _________ | |
| 7 9 |
| − 2 4 |
| _________ |
| 4 1 |
| _________ | |
| 8 7 |
| − 8 4 |
| _________ |
| 1 3 |
| _________ | |
| 4 9 |
| − 2 4 |
| _________ |
| 2 7 |
| _________ | |
| 4 4 |
| − 2 3 |
| _________ |
| 1 0 |
| _________ | |
| 4 7 |
| − 2 2 |
| _________ |
| 3 5 |
| _________ | |
| 4 7 |
| − 2 1 |
| _________ |
| 6 4 |
| _________ | |