40-33=

33-5=

39+1=

36-25=

21+26=

7+26=

40-39=

48-21=

8+36=

13+15=

23+25=

31+18=

30+4=

41+3=

44+4=

1+30=

23-10=

32-30=

32+16=

41+8=

50-33=

31+3=

23-4=

40+7=

40-23=

31+8=

26+4=

25-12=

37-2=

28-8=

30-6=

34-14=

2+30=

28-17=

45+2=

21+13=

41-15=

48-16=

41+9=

9+17=

4+36=

45-12=

42-37=

43+5=

13+20=

17+15=

33-28=

22+5=

5+19=

36-12=