.

18-5= 17-9=

18-9= 19-6= 10-6= 12+7= 3+17= 18-7= 4+9= 19-7= 20-7= 19-8= 20-9= 8+3= 7+8= 6+5= 14-12= 6+9= 15-3 18-13= 10-8= 18-8= 2+11= 20+6= .

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

10+18= 19-9= 10+15= 8+11=

.

5+12= 15-5= 13-3= 13-10= 14-9= 12-11= 11-11= 12-2= 0+15= 6+10= 5+8=

5+9= 5+8= 6+9= 0+16= 9+8= 7+7= 7+5= 10+10= 6+6= 4+8= 7+6= 9+8= .

17+0= 8+5= 5+6= 7+5= 8+8= 7+9= 6+9= 0+12= 9+3= 5+7= 5+9= 5+7= 2+16= 9+4= 4+7= 5+7= 7+5= 10+5= 8+5= 6+7= 5+8= 15+5= 8+7= 8+4= 4+7= 6+8= 8+4= 9+0= 5+6= 6+7= 9+10= 5+6= 9+9= 3+8= 5+8= 9+3= 16-13= 7+8= 6+6= 7+6= 5+8= 8+6= 4+7= 7+8= 2+9= 5+8= 7+9= 9+9=

.

3+8= 6+5= 7+4= 8+8= 6+8= 2+9= 7+7= 3+7= 6+6= 6+9= 8+6= 3+8= 5+5= 12-4= 15-6= 14-7= 16-7= 11-7= 15-8= 13-8= 16-8= 11-6= 11-7= 18-0= 16-7= 18-9= 13-4= .

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

.

13-6= 14-0= 16-6= 13-5= 10-5= 6+7= 7+6= 13-6= 13-7= 6+6= 5+8= 0+15= 13-9= 17-8= 4+7= 12-2= 6+8= 7+5= 16-10= 7+8= 13-8= 18-8= 11-4= 13+9= 20-10= 17-7=

16+2= .

15+5= 14-5= 6+8= 3+8= 4+9= 12-6= 18-0= 20-6= 23+7= 13-1= 22-2= 13-8= 7+7= 2+9= 6+9= 12-8= 15-6= 13-5= 15+5= 20-3= 17-6= 18-1= 12-4= 13-13= 11-6= 12-10= 0+9= 3+8= 11-4= 12-1= 20+0= 14-8= 11+3= 5+9= 18-9= 18-0= 18-8= 8+8= 7+5= 11+2= 11+10=

19+6= 11-6=