44+3=

44-21=

44-6=

49+0=

50-48=

3+35=

28+2=

1+27=

31-18=

4+21=

9+25=

28-16=

29-26=

47+2=

3+41=

39-34=

15+23=

16+23=

28-6=

25-13=

18+7=

49-39=

43-43=

36-23=

32-27=

6+40=

47+2=

28+18=

21-13=

42-21=

48-16=

35+14=

42+4=

29+0=

30-7=

40-11=

44-18=

32-7=

0+33=

33-19=

45-33=

21-20=

0+30=

45-15=

40-26=

16+27=

23+22=

43-23=

37-12=

20+11=