20-1-7=

13+6+0=

12-8-0=

19-14-5=

6+11+1=

18-16-1=

16-4-0=

7+10+0=

2+14+1=

2+16+1=

17-10-4=

15+0+3=

16-1-4=

8+2+3=

13-6-0=

0+17+1=

16-7-7=

2+16+1=

16-6-3=

17+0+1=

12-5-4=

8+12+0=

13-5-7=

13+4+0=

14-10-1=

5+10+4=

16-3-6=

14+0+0=

13+6+1=

19-12-4=

5+2+6=

14-4-7=

20-14-5=

2+15+3=

16-10-2=

12+6+1=

12-9-0=

4+10+2=

18-3-14=

17+2+0=

0+4+12=

18-12-5=

18-17-1=

11-0-0=

14-11-0=

14-11-1=

19+1+0=

17-13-2=

15-13-1=

20-8-6=