45-26=

28-6=

45-8=

28-5=

39+7=

40+7=

7+29=

1+45=

47-9=

47+0=

46-40=

40+5=

40-28=

33-16=

41-32=

25-20=

12+21=

4+33=

34-20=

24-16=

33-8=

23-13=

30-11=

46-7=

37-10=

36-26=

41-34=

25+20=

47+3=

33-25=

18+19=

21+9=

28-19=

47+0=

44-12=

46-21=

33+8=

49+0=

45+1=

34-16=

39-7=

36-10=

13+21=

27+19=

36+14=

41+2=

19+25=

50-35=

43-12=

21+13=