37-13+(     )=29

(     )-9+33=33

26+7-(     )=29

1+(     )-13=30

48-(     )+5=27

38-(     )+26=32

(     )-5+23=26

27+(     )-1=28

(     )-28+5=17

39+(     )-5=45

(     )-23+33=42

(     )-1+31=39

(     )+0-0=48

6-6+(     )=44

28+(     )-4=40

35+7-(     )=41

(     )+0-0=47

38-(     )+15=22

50-39+(     )=33

36-(     )+16=21

(     )-24+25=36

33-(     )+15=47

27-27+(     )=47

14+25-(     )=21

9-9+(     )=41

(     )-2+23=29

(     )+27-6=38

34-(     )+5=19

(     )-3+30=44

(     )-20+5=23

(     )+38-7=33

5-(     )+30=31

(     )+11-0=36

31+15-(     )=40

12+14-(     )=15

(     )-1+23=30

31-(     )+12=24

31+(     )-13=34

23-(     )+23=24

(     )-24+15=39

42-(     )+0=33

22-5+(     )=49

15+(     )-7=19

(     )-1+31=32

5+18-(     )=5

24+6-(     )=30

40+(     )-2=41

12-(     )+17=29

27+12-(     )=29

41-29+(     )=33