(     )-68-0=13

(     )-20-21=12

75-(     )-24=13

57-34-(     )=21

72-(     )-16=33

64-2-(     )=25

58-(     )-12=6

95-79-(     )=9

(     )-2-51=18

64-0-(     )=40

(     )-54-4=1

86-(     )-74=4

86-29-(     )=0

53-27-(     )=7

(     )-39-52=5

67-48-(     )=10

(     )-18-56=14

94-37-(     )=1

60-(     )-45=8

(     )-62-21=7

66-(     )-8=10

(     )-0-13=40

(     )-27-7=23

89-(     )-7=31

(     )-43-0=11

96-(     )-17=50

98-78-(     )=1

52-(     )-2=22

(     )-43-24=20

70-(     )-18=2

(     )-9-0=76

63-(     )-0=34

74-(     )-17=57

56-0-(     )=12

(     )-39-43=9

66-36-(     )=3

68-(     )-3=4

89-(     )-1=2

93-61-(     )=25

59-(     )-18=4

60-(     )-49=7

(     )-35-2=18

(     )-26-13=24

(     )-16-30=16

51-15-(     )=5

66-(     )-8=0

(     )-19-38=33

(     )-24-5=31

(     )-22-16=48

75-60-(     )=12