14-7=

12-6=

11-6=

6+7=

17-9=

7+8=

16-9=

15-8=

17-8=

6+9=

14-9=

13-7=

11-9=

14-6=

15-6=

17-8=

11-7=

11+2=

8+6=

13-6=

15-4=

15-8=

13-9=

12-6=

16-7= 11-9=

14-3=

14-7=

16-8=

11-3=

18-7=

12-8=

13-6=

18-9=

8+6=

17-8=

13-2=

11-5=

16-7=

5+6=

12-6=

11-6=

14-6=

15-8=

14-8=

12-8=

13-7=

16-7=

15-6=

12-5= 11-9=

17-8=

16-8=

14-7=

12-4=

13-5=

11-8=

14-8=

13-9=

15-6=

15-9=

16-8=

16-7=

15-9=

12-7=

12-6=

12-( )=9

11-8=

15-( )=7

12-( )=3

17-( )=9

13-5=

( )-6=7

12-( )=5

13-( )=8 ( )-7=7

14-( )=6

15-( )=9

11-( )=7

17-( )=8

( )-5=7

13-( )=7

13-( )=5

15-( )=8

12-( )=9

17-( )=7

12-( )=6

16-( )=9

( )-4=7

4+7=

( )-6=5

14-( )=6

18-( )=9

20-5

15-9

4-3

8-8

15-6

18-9

17-6