五年级分数加减法口算题150道带答案的。

如题所述

五年级分数加减法口算题150道:

1、1/2+1/3=5/6

2、1/2+2/3=7/6

3、1/3+1/4=7/12

4、1/3+3/4=13/12

5、1/4+1/5=9/20

6、1/4+4/5=21/20

7、3/4+1/5=4/5 

8、3/4-1/5=11/20 

9、5/6+2/9=19/18 

10、5/6-2/9=11/18 

11、2/3+3/5=19/15

12、2/3-3/5=1/15 

13、6/7+1/2=19/14 

14、6/7-1/2=5/14 

15、2/3+1/6=5/6 

16、1/3+1/4=7/12

17、1/3-1/4=1/12 

18、1/5+1/7=12/35 

19、1/5-1/7=2/35 

20、1/4+1/9=13/36 

21、1/4-1/9=5/36

22、1/8+1/9=17/72 

23、1/8-1/9=1/72 

24、1/10+7/9=79/90 

25、5/7-1/6=23/42 

26、1-5/9=4/9

27、1/5+3/8=23/40 

28、3/4+1/5=19/20 

29、2/3-3/5=1/5 

30、1-2/5=3/5 

31、5/8-1/9=37/72

32、1/10-1/20=1/20 

33、1/6+3/8=13/24 

34、5/9-1/2=1/18 

35、2/3+1/4=11/12 

36、1/2+1/3=5/6

37、5/6+1/18=8/9 

38、3/5-1/3=4/15 

39、17/15-1/3=4/5 

40、11/12-2/3=1/4 

41、1/2-1/4=1/4

42、1/7-1/8=1/56 

43、1/3-1/9=2/9 

44、5/6-1/2=1/3 

45、1-2/3=1/3 

46、5/8-1/6=11/24

47、1/3+1/6=1/2 

48、3/4-1/2=1/4 

49、1/5+1/8=13/40 

50、5/6+4/9=23/18 

51、5/9-2/5=7/45

52、3/7+5/2=41/14 

53、5/8+9/10=61/40 

54、11/12-8/15=23/60 

55、1/4+1/6=5/12 

56、1/4-1/6=1/12

57、1-6/7=1/7 

58、11/12-2/3=1/4 

59、3/10+2/5=7/10 

60、7/8-1/4=5/8 

61、3/4+5/12=7/6

62、3/5-3/7=6/35 

63、5/4-5/12=5/6 

64、1/5-1/9=4/45 

65、1/3-1/8=5/24 

66、11/6-2/9=29/18

67、1/5+1/9=14/45 

68、1-2/5=3/5 

69、7/4+1/7=53/28 

70、1-1/9=8/9 

71、2/3-2/7=8/21

72、5/6+1/2=4/3 

73、4/3-3/4=7/12 

74、1-4/7=3/7 

75、4/3+3/2=17/6 

76、5/9+18/5=5/6

77、3/8+7/10+5/8=17/10 

78、7/8-(1/8+3/4)=0 

79、4/7+1/6-4/7=1/6

80、2-7/9-2/9=1 

81、3/5+7/8+2/5=15/8 

82、7/9-(1/9+1/3)=1/3

83、1/4+(2/5+3/4)=7/5 

84、5/6-3/10+1/6-7/10=0 

85、3/4+1/6-2/3=1/4

86、7/8-1/4+4/9=77/72 

87、1-1/3+2/7=20/21 

88、1/2+4/5-3/10=1

89、5/6-(2/3-1/9)=5/18 

90、9/10-(3/4+1/8)=1/40 

91、1/2+2/3-3/4=5/12

92、7/8-1/6+1/4=23/24 

93、1-(3/4-2/9)=17/36 

94、9/10-1/5-1/2=1/5

95、1/4+3/7+1/2=33/28 

96、7/8-(2/3+1/6)=1/24 

97、1-(1/3+3/5)=1/15

98、1/2+1/4+1/3=13/12 

99、7/8+1/4+1/2=5/8 

100、5/7-(4/7+1/9)=2/63

101、1-1/4-1/2=1/4 

102、3/4-1/6-1/3=1/4 

103、3/10+1/4+2/5=19/20

104、2/3+1/6+1/12=11/12 

105、1-1/4-2/5=7/20 

106、1/2+1/9+1/12=25/36

107、3/4-4/3=7/12

108、1-1/9=8/9 

109、3/4+1/5=4/5  

110、3/4-1/5=11/20  

111、5/6+2/9=19/18

112、5/6-2/9=11/18

113、2/3+3/5=19/15

114、2/3-3/5=1/15  

115、6/7+1/2=19/14  

116、6/7-1/2=5/14  

117、2/3+1/6=5/6  

118、1/3+1/4=7/12

119、1/3-1/4=1/12  

120、1/5+1/7=12/35  

121、1/5-1/7=2/35

122、1/4+1/9=13/36

123、1/4-1/9=5/36

124、1/8+1/9=17/72  

125、1/8-1/9=1/72  

126、1/10+7/9=79/90  

127、5/7-1/6=23/42  

128、1-5/9=4/9

129、1/5+3/8=23/40  

130、3/4+1/5=19/20  

131、2/3-3/5=1/5  

132、5/5-2/5=3/5  

133、5/8-1/9=37/72

134、1/10-1/20=1/20  

135、1/6+3/8=13/24  

136、5/9-1/2=1/18  

137、2/3+1/4=11/12  

138、1/2+1/3=5/6

139、1/2-1/3=1/6

140、3/8+7/10+5/8=17/10  

141、7/8-(1/8+3/4)=0  

142、4/7+1/6-4/7=1/6

143、2-7/9-2/9=1  

144、3/5+7/8+2/5=15/8  

145、7/9-(1/9+1/3)=1/3

146、1/4+(2/5+3/4)=7/5  

147、5/6-3/10+1/6-7/10=0  

148、3/4+1/6-2/3=1/4

149、7/8-1/4+4/9=77/72  

150、3/10+1/4+2/5=19/20

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第1个回答  2010-07-25
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=本回答被网友采纳
第2个回答  2010-08-01
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
答案太难算了,所以麻烦一下你拉~O(∩_∩)O~
第3个回答  2010-07-28
1) 4/14+8/14=6/7
2) 7/10+2/10=9/10
3) 4/7-3/7=1/7
4) 3/14+7/14=5/7
5) 4/11+5/11=9/11
6) 4/15+2/15=2/5
7) 9/10-3/10=6/10
8) 7/13+5/13=12/13
9) 6/13+5/13=11/13
10) 2/8+3/8=5/8
11) 9/13-9/13=0
12) 9/13+3/13= 12/13
13) 11/12-4/12=7/12
14) 14/15-3/15=11/15
15) 1/13+11/13=12/13
16) 2/15-2/15=0
17) 7/12+3/12=5/6
18) 12/15-9/15=1/5
19) 1/8+2/8=3/8
20) 6/7-6/7= 0
21) 10/13+2/13=12/13
22) 2/13+7/13=9/13
23) 1/11+8/11=9/11
24) 3/4-1/4= 1/2
25) 4/15+10/15=14/15
26) 12/14-4/14=4/7
27) 7/13+2/13=9/13
28) 8/13-1/13=7/13
29) 12/14-12/14=0
30) 12/13-6/13=6/13
31) 3/7+3/7=6/7
32) 7/9+1/9=8/9
33) 8/14+2/14=5/7
34) 10/13-8/13=2/13
35) 3/14-3/14=0
36) 1/5+3/5=4/5
37) 1/12+6/12=7/12
38) 5/9+3/9=8/9
39) 7/11-2/11=5/11
40) 12/15-4/15=8/15
41) 1/14+5/14=3/7
42) 7/12-2/12=5/12
43) 2/9+5/9=7/9
44) 13/15-1/15=4/5
45) 6/13-6/13=0
46) 7/14+2/14=9/14
47) 4/8-1/8=3/8
48) 6/8-4/8=1/4
49) 3/7-1/7=2/7
50) 7/10-6/10=1/10
51) 2/14+7/14=9/14
52) 2/12+2/12=1/3
53) 2/14+12/14=1
54) 7/15-6/15=1/15
55) 5/11+3/11=8/11
56) 3/11+1/11=4/11
57) 7/15+8/15=1
58) 6/7-1/7=5/7
59) 7/9-6/9=1/9
60) 3/15+10/15=13/15
61) 5/15-5/15=0
62) 2/12+7/12=3/4
63) 4/8+4/8=1
64) 4/13-3/13=1/13
65) 1/15+10/15=11/15
66) 6/15+1/15=7/15
67) 8/14-6/14=1/7
68) 12/14+1/14=13/14
69) 11/15+2/15=13/15
70) 3/13-2/13=1/13
71) 11/15-3/15=8/15
72) 4/14+5/14=9/14
73) 5/10-5/10=0
74) 6/14+1/14=1/2
75) 1/10+5/10=3/5
76) 8/10-4/10=2/5
77) 3/8+4/8=7/8
78) 2/7+5/7=1
79) 4/9-2/9=2/9
80) 4/12+3/12=7/12
81) 5/8-2/8=3/8
82) 4/13+5/13=9/13
83) 5/14+3/14=8/14
84) 1/14-1/14=0
85) 5/14+7/14=6/7
86) 5/9-5/9=0
87) 7/15+4/15=11/15
88) 12/13-1/13=11/13
89) 5/13-2/13=3/13
90) 1/12+9/12=5/6
91) 6/10-5/10=1/10
92) 4/9+4/9=8/9
93) 9/15-8/15=1/15
94) 7/14-6/14=1/14
95) 4/9+1/9=5/9
96) 2/15+3/15=1/3
97) 5/12-1/12=1/3
98) 2/10+4/10=3/5
99) 11/14-8/14=3/14
100) 3/8+1/8=1/2
只有这么多了
第4个回答  2010-08-08
答案还是自己来吧,都挺简单的,注意约分成最简分数

1) 5/15+8/15= 2) 3/14+1/14= 3) 4/7+1/7= 4) 5/15+2/15=
5) 4/14+8/14= 6) 12/15+3/15= 7) 4/9+3/9= 8) 3/15+1/15=
9) 2/15+10/15= 10) 6/13+6/13= 11) 4/11+2/11= 12) 3/15+6/15=
13) 1/11+3/11= 14) 2/13+6/13= 15) 1/15+3/15= 16) 4/12+8/12=
17) 10/14+1/14= 18) 1/13+8/13= 19) 6/13+2/13= 20) 1/8+1/8=
21) 3/15+7/15= 22) 1/15+6/15= 23) 3/14+7/14= 24) 4/6+1/6=
25) 1/2+1/2= 26) 3/12+5/12= 27) 2/15+13/15= 28) 3/11+2/11=
29) 3/12+9/12= 30) 6/11+3/11= 31) 5/13+6/13= 32) 1/14+4/14=
33) 7/15+3/15= 34) 4/11+6/11= 35) 7/11+4/11= 36) 3/13+7/13=
37) 6/14+3/14= 38) 1/14+2/14= 39) 1/10+3/10= 40) 1/13+6/13=
41) 3/15+12/15= 42) 4/10+6/10= 43) 9/13+3/13= 44) 1/13+10/13=
45) 2/11+8/11= 46) 6/15+8/15= 47) 1/8+5/8= 48) 2/8+4/8=
49) 3/7+3/7= 50) 3/9+4/9=
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