33-7=

39-34=

44-40=

41+2=

3+46=

41+9=

23-8=

21-8=

9+15=

31+1=

32-8=

47+1=

1+28=

22-20=

3+23=

44+1=

40-23=

45-15=

3+25=

25-7=

43+1=

23-16=

23+25=

45-7=

20+4=

21-10=

37-5=

22-1=

31+2=

29-11=

24+21=

29-23=

45+2=

34-17=

3+46=

27-21=

32-4=

31-29=

13+25=

12+25=

14+26=

29+8=

27+2=

26+3=

22+10=

15+30=

29-16=

25-0=

23+15=

38+0=