39-12-(     )=4

46-43-(     )=3

38-(     )-11=6

27-(     )-10=2

(     )-21-25=0

(     )-23-8=8

48-32-(     )=9

48-27-(     )=19

(     )-1-8=13

(     )-18-2=6

26-(     )-3=4

31-(     )-12=5

(     )-25-19=1

(     )-35-13=1

39-29-(     )=7

(     )-8-21=18

(     )-3-23=2

33-(     )-7=10

49-(     )-12=9

(     )-10-4=15

24-9-(     )=11

21-4-(     )=0

30-(     )-1=1

(     )-3-7=17

47-15-(     )=31

46-(     )-3=39

40-(     )-0=2

(     )-24-0=1

49-4-(     )=43

(     )-6-11=4

(     )-6-12=5

33-(     )-24=2

32-13-(     )=12

34-17-(     )=13

(     )-26-12=4

31-23-(     )=4

(     )-13-14=17

27-21-(     )=5

43-25-(     )=13

(     )-13-16=2

(     )-26-3=18

36-(     )-4=3

37-35-(     )=2

(     )-15-13=11

21-(     )-11=5

50-(     )-12=5

32-(     )-30=0

28-15-(     )=8

50-3-(     )=43

48-47-(     )=0