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