(     )-21=71

74-(     )=57

(     )+5=90

(     )-60=0

80-(     )=18

(     )-21=68

19+(     )=86

27+(     )=90

(     )+81=91

(     )+10=64

25+(     )=92

(     )-8=59

(     )+84=84

98+(     )=100

86-(     )=67

44+(     )=99

(     )+2=87

(     )-7=78

66-(     )=22

76-(     )=70

95-(     )=6

97-(     )=97

53+(     )=63

34+(     )=73

68-(     )=58

76+(     )=86

(     )-24=51

(     )-57=14

41+(     )=87

21+(     )=53

95+(     )=96

(     )-22=49

73+(     )=84

(     )+81=94

(     )+10=97

52-(     )=6

(     )-11=46

97+(     )=97

(     )-61=34

(     )-22=34

(     )+26=92

(     )+18=77

(     )+13=94

(     )-75=2

68-(     )=0

83-(     )=26

70+(     )=84

(     )-44=24

49+(     )=57

(     )+53=57