.

4+7= 5+9=

9+4= 7+8= 6+5= 4+9= 5+7= 7+7= 8+4= 13-6= 18-9= 11-7= 6+9= 12-9= 7+9= 18-1= 16-9= 8+6= 17+1= 8+4= 15-9= 9+4= 12-9= 9+6= .

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

13-5= 5+7= 11-5= 5+8= 15-6= 17-8= 15+5= 14-8= 16-8=

.

16-9= 11-8= 13-7= 15-6= 12-5= 9+8= 5+8= 7+4= 6+9= 5+9= 13-9=

13-8= 9+8= 11-9= 14-9= 11-3= 14-10= 8+6= 15-6= 8+9= 12-6= 6+6= 14-8= .

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

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

15-5= 11-4=

7+5= 13-8 8+5= 4+7=

18-9=

.

9+9= 7+5= 8+6= 5+9=

13-8= 17-10= 16-1= 16-2= 16-3= 16-4= 1+11= 1+12= 1+13=

1+14= 19-3= 18-8= 17-6= 16-3= 16-10= 12+7= 2+11= 14-4= 1+19= 19-8= 2+14= .

1+15= 19-4= 18-9= 17-7= 16-4= 15-1= 12+8= 15-10= 1+16= 2+10= 19-9= 2+15= 20-10= 18-5= 17-5= 17-8= 16-5= 15-2= 2+9= 14-1= 1+17= 19-5= 2+12= 2+16= 19-1= 18-6=

17-9= 16-6= 15-3= 2+10= 14-2= 1+18= 19-6= 2+13= 15-5=

19-2= 18-7= 16-2= 15-4=

14-3=

19-7=

.

15-6= 15-7= 15-8= 15-9=

18-10= 17-1= 17-2= 17-3= 17-4= 2+17= 2+18= 3+13= 13+4=

13+5= 18-4= 4+6= 13-9= 4+11= 12-5= 4+13= 11-1= 11-5= 13+6= 9+8= 19-8= .

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

4+15= 11-3= 12+7= 14-5= 5+6= 7+6= 18-2= 14+4= 13-7= 4+9= 12-2= 4+16= 11-4= 6+14= 15-8= 11-4= 18-3= 4+5= 13-8= 4+10= 12-4=

7+4= 12-4= 13-4=

14-7= 16-8=