15+3-1=

1+19-7=

2+12-3=

4-4+17=

10-10+19=

19+0-0=

5-4+17=

10+8-5=

10-7+8=

14-6+7=

9-0+3=

5+6-6=

4+15-8=

16+3-2=

11+0-0=

6-3+9=

8-6+10=

20-0+0=

15+4-1=

6-3+11=

4-2+17=

7-6+10=

12-6+0=

12-8+7=

15+1-1=

13-9+14=

3+16-8=

18+2-1=

9+10-0=

2+17-2=

3-0+15=

9-2+11=

10+7-4=

3+10-6=

5+6-0=

14+3-3=

19-18+16=

15-9+10=

1-0+14=

4+16-0=

10-6+11=

2-1+14=

5-0+8=

20-7+4=

16-7+1=

18-11+5=

5-1+14=

6-6+15=

20-6+4=

18-7+1=