9-9+15=

10-0+1=

18-14+2=

2+13-2=

6+5-2=

7-6+12=

13+7-7=

4-2+17=

16-14+5=

16+2-2=

9-7+10=

14+5-4=

4+11-7=

19-3+0=

10+1-1=

4-4+12=

16-7+5=

13+4-3=

11+7-6=

15-5+1=

2-0+14=

6+12-8=

2-1+15=

16+0-0=

3+8-4=

7+5-3=

2-0+14=

20+0-0=

7-2+12=

15+5-2=

4-2+9=

11+7-3=

3+13-0=

8+4-1=

12+1-1=

12+7-5=

20+0-0=

7+8-1=

7-5+17=

12+3-2=

20-16+3=

1-0+13=

1-0+18=

14+0-0=

1-0+11=

17-7+8=

13+7-3=

9+5-2=

2+16-4=

7+10-10=