同分母分数加减法口算练习题

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同分母分数加减法口算练习题

1 12/13-8/13=

2 8/9-2/9=

3 14/15-10=

4 11/13-7/13=

5 8/10-1/10=

6 13/14-7/14=

7 5/9+1/9=

8 5/13-4/13=

9 4/13-1/13=

10 4/5-2/5=

11 9/12+3/12=

12 7/13-3/13=

13 1/12+11/12=

14 4/15+8/15=

15 8/12-2/12=

16 6/13+5/13=

17 8/10-8/10=

18 5/14+2/14=

19 4/15+7/15=

20 9/15-7/15=

21 7/12-2/12=

22 7/11-1/11= 23 6/7-6/7=

24 13/14-9/14=

25 7/14-1/14=

26 3/13+8/13=

27 4/12-2/12=

28 4/11+5/11=

29 4/13+5/13=

30 2/12+9/12=

31 3/15+10/15=

32 14/15+1/15=

33 8/13-5/13=

34 1/12+1/12=

35 4/12+2/12=

36 1/15+1/15=

37 7/9-3/9=

38 12/15+2/15=

39 3/8+1/8=

40 4/14+8/14=

41 8/12-4/12=

42 1/10+5/10=

43 8/15+7/15=

44 5/14+7/14=

45 3/11+6/11=

46 7/13-4/13=

47 10-6/15= 48 11/15-8/15=

49 7/15-6/15=

50 3/6+1/6=

51 10-2/12=

52 8/9-4/9=

53 10-6/12=

54 1/14+1/14=

55 7/8-7/8=

56 5/8-2/8=

57 10-6/14=

58 9/15-3/15=

59 14/15-8/15=

60 4/14-4/14=

61 8/13+4/13=

62 8/9-8/9=

63 6/15+5/15=

64 2/11+3/11=

65 11/13-6/13=

66 8/14-6/14=

67 9/12+1/12=

68 10-4/13=

69 12/14-4/14=

70 1/11+8/11=

71 3/14+7/14=

2 2/13-1/13= 73 3/5+1/5=

74 6/13-1/13=

75 3/4-1/4=

76 4/6+2/6=

77 6/15+1/15=

78 3/15+7/15=

79 13/15-1/15=

80 5/10-5/10=

81 10-10=

82 9/11-6/11=

83 4/13-3/13=

84 1/13+7/13=

85 5/13-4/13=

86 13/15-9/15=

87 10-1/14=

88 3/12+4/12=

89 2/11+6/11=

90 7/9-6/9=

91 1/6+2/6=

92 11/15+1/15=

93 2/14+4/14=

94 1/13+11/13=

95 10/15+3/15=

96 12/13-3/13=

97 5/9+3/9= 98 3/5-2/5=

99 2/13+11/13=

100 5/15+8/15=

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