15-7+3=

18-5+0=

5-4+17=

0+15-11=

11+5-5=

13+3-3=

5-4+18=

20-16+15=

8-2+11=

3+16-3=

8+3-0=

10-3+7=

3+13-0=

17+1-0=

18-4+2=

4+8-6=

17+3-3=

11+5-5=

14-0+5=

12-7+1=

5-3+14=

14-4+0=

13-6+2=

11-0+2=

0+11-2=

18-9+4=

10-3+11=

14-7+8=

15-1+1=

17+3-2=

2-1+16=

13-10+14=

9+8-5=

14-6+3=

14-8+5=

2-0+12=

19-11+1=

10-8+17=

13-12+9=

5-2+12=

8+8-4=

10-9+18=

20+0-0=

8+4-2=

12-1+8=

7+10-7=

2-0+16=

17-10+2=

11+3-3=

4-4+17=