(     )-45=20

86-(     )=68

(     )+5=74

72+(     )=81

(     )+0=78

(     )+18=90

68+(     )=77

72-(     )=49

(     )+46=75

(     )-30=41

(     )+12=100

(     )+68=77

73-(     )=33

(     )-22=74

(     )-58=18

73+(     )=78

98+(     )=100

70-(     )=68

(     )+36=97

49+(     )=93

72+(     )=74

(     )-68=30

(     )-84=4

63-(     )=15

95+(     )=100

73-(     )=31

21+(     )=71

(     )+54=60

(     )-26=61

97+(     )=99

(     )-67=21

(     )+3=93

(     )+53=81

15+(     )=71

(     )-20=31

1+(     )=69

27+(     )=99

52-(     )=50

69-(     )=22

73+(     )=88

90-(     )=5

(     )+87=92

7+(     )=94

(     )+70=80

(     )+44=99

61+(     )=89

89-(     )=73

(     )-69=8

47+(     )=68

(     )+27=98