数学题

66+2= 47+15= 28+7= 23+40= 25+69= 24-9= 91+1= 88+9= 16+73= 89+8= 81+1= 51+35= 43-3= 11+84= 11+85= 42+52= 6+1= 15+2= 28+47= 60+14= 73+14= 5+26= 98-4=

26+74=

70+24=

42+24=

56+39=

90-9=

48+7=

41+18=

65+25=

18+68=

41+20=

23-3=

40+54=

43+50=

30-2=

52-5=

63-1=

15+51=

25+14=

7+90=

36+19=

50+28=

45+40=

2+59=

5+78=

15+21=

83+7=

48-8=

35+22=

16-5=

30+54=

34+39=

93-4=

8+31=

27-2=

33+40=

34+7=

54-9=

13-5=

47+43=

20+36=

71+7=

8+89=

99-4=

17+51=

15+77=

39+35=

30+57=

47+11=

39-7=

15-7=

59+1=

21+78=

54+25=

27+32=

56+13=

35+42=

28+1=

6+16=

29-8=

84+2=

48+6=

44+19=

15+4=

90+5=

94+4=

8+85=

11+16=

23+12=

21+28=

21-1=

84+4=

76+2=

44+36=

88+5=

92-1=

21+43=

34+23=

90+9=

31+13=

9+11=

47+47=

94-8=

37+25=

37+15=

5+88=

60+5=

91+8=

33-5=

5+6=

60+10=

27+63=

15+5=

8+81=

35+10=

16+60=

56-3=

64+20=

74-6=

4+77=

78+11=

64+25=

2+68=

45+28=

20+30=

3+57=

42+33=

9+87=

72+16=

76+21=

- 10