37-(     )-21=2

44-3-(     )=38

(     )-28-4=3

24-8-(     )=6

45-(     )-29=1

32-6-(     )=19

27-1-(     )=11

(     )-32-4=2

(     )-11-6=5

(     )-20-0=2

44-42-(     )=2

(     )-11-17=10

28-23-(     )=0

39-2-(     )=25

28-5-(     )=11

(     )-29-5=6

50-38-(     )=8

46-40-(     )=2

(     )-5-3=25

40-(     )-13=21

28-(     )-10=10

30-(     )-11=0

32-(     )-4=16

28-(     )-2=9

29-(     )-23=3

(     )-2-17=2

(     )-25-2=15

(     )-13-26=9

29-19-(     )=10

44-(     )-7=8

27-(     )-4=16

(     )-13-7=26

22-(     )-9=0

40-29-(     )=7

43-4-(     )=30

28-12-(     )=12

46-40-(     )=4

38-10-(     )=1

(     )-26-11=8

21-11-(     )=5

38-32-(     )=5

40-9-(     )=10

(     )-15-7=1

42-15-(     )=26

38-6-(     )=5

(     )-4-11=14

21-6-(     )=7

27-0-(     )=3

40-2-(     )=36

37-13-(     )=24