5+9=  13-9=  13-8=  14-7=

12-6=  14-5= 9+3=  9+8=

7+8=  6+7=  4+9=  11-9=

12-8=  16-7=  13-6=  15-5=

14-9=  15-8=  17-10=  12-3=

11-4=  11-3=  12-4=  13-4=

11-2=  14-10=  4+8=  5+7=

2+9=  7+5=  8+6=  14-6=

12-5=  11-5=  13-8= 15-6=

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

8+9=  11-5=  12-6=  14-9=

16-9=  12-3=  16-6=  14-7=