| PROBLEM | SOLUTION |
| 12-6= | |
| 13-10= | |
| 5-3= | |
| 11-4= | |
| 15-8= | |
| 13-9= | |
| 19-10= | |
| 10-6= | |
| 19-9= | |
| 12-4= | |
| 9-5= | |
| 7-6= | |
| 14-5= | |
| 10-9= | |
| 11-6= | |
| 5-1= | |
| 15-10= | |
| 14-4= | |
| 12-8= | |
| 13-3= | |
| 10-7= | |
| 4-1= | |
| 6-5= | |
| 10-3= | |
| 4-3= | |
| 14-10= | |
| 11-1= | |
| 9-6= | |
| 9-2= | |
| 12-2= | |
| 15-9= | |
| 8-5= | |
| 15-7= | |
| 11-3= | |
| | PROBLEM | SOLUTION |
| 8-4= | |
| 6-1= | |
| 18-10= | |
| 7-1= | |
| 12-9= | |
| 13-5= | |
| 11-9= | |
| 3-2= | |
| 17-8= | |
| 15-6= | |
| 8-3= | |
| 18-9= | |
| 5-4= | |
| 16-8= | |
| 7-2= | |
| 10-4= | |
| 20-10= | |
| 12-3= | |
| 9-4= | |
| 17-7= | |
| 10-8= | |
| 18-8= | |
| 8-1= | |
| 5-2= | |
| 12-7= | |
| 16-10= | |
| 6-4= | |
| 14-8= | |
| 8-2= | |
| 16-7= | |
| 4-2= | |
| 9-8= | |
| 10-2= | |
| 7-4= | |
| | PROBLEM | SOLUTION |
| 14-6= | |
| 14-9= | |
| 3-1= | |
| 9-3= | |
| 8-7= | |
| 8-6= | |
| 13-8= | |
| 11-8= | |
| 11-7= | |
| 15-5= | |
| 13-7= | |
| 2-1= | |
| 6-2= | |
| 13-4= | |
| 10-5= | |
| 11-5= | |
| 11-2= | |
| 16-6= | |
| 7-3= | |
| 6-3= | |
| 7-5= | |
| 17-9= | |
| 9-7= | |
| 13-6= | |
| 17-10= | |
| 12-5= | |
| 16-9= | |
| 10-1= | |
| 9-1= | |
| 11-10= | |
| 12-10= | |
| 14-7= | |
|