21+70=

77+7=

87+11=

63-48=

90-41=

7+68=

58-40=

30+68=

91-17=

37+25=

89-45=

60-5=

2+78=

0+93=

54-39=

76+24=

58-55=

89-55=

60-50=

51-5=

91-1=

68-54=

65-65=

80-67=

71-42=

68+31=

99-71=

83-12=

91-19=

70-45=

96-95=

57-14=

89-14=

51-0=

92+5=

83+1=

82-7=

74-38=

73-43=

100-17=

59+35=

55+40=

82-12=

78-59=

99-17=

65-17=

96+2=

63+18=

82-34=

60-21=