72-30=

66-63=

75-13=

99-20=

20+67=

35+49=

70-32=

75-31=

84+15=

94-3=

40+57=

46+36=

84-68=

74-1=

44+17=

88-65=

47+25=

95-26=

83-67=

53-35=

47+7=

71-34=

31+57=

53-30=

97-81=

60+27=

53-13=

95-92=

88-33=

98+2=

79-15=

89-51=

70-67=

12+85=

3+61=

39+43=

69-45=

34+24=

81+17=

79-4=

74-43=

41+31=

46+26=

79+10=

88-10=

98-50=

53+25=

71-66=

18+75=

57+20=