沪教版四年级数学下册小数加减混合综合练习题20.docx

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沪教版四年级数学下册小数加减混合综合练习题20.docx

沪教版四年级数学下册小数加减混合综合练习题20

1.4+7.8=

8+3.4=

0.11+7.1=

2.1-0.35=

5.7-3.9=

8.4+0.68=

83.5-26.6=

81.1-79.3=

0.98+0.22=

0.41+0.71=

0.95+0.17=

4+7.6=

2.4-0.5=

1.6-1.1=

2.28+0.21=

8.9+0.15=

47-35.3=

71.9-66.4=

0.2-0.49=

42.7-15.8=

7+5.5=

1.1-0.21=

0.47+1=

0.24+9.6=

2.2-0.2=

87.14-35.27=

5.596+0.105

72.52+15.57=

383.3+28.29=

99.2+948.7=

944.8-259.5=

341-37.8=

223.8-20.9=

177.6-139.6=

1.8+5.3+1.2

6.62+5.92+4.38

79-2.8-4.2

563-93.7-96.3

2.84+3.86+0.76

0.95+61.3+0.35+18.7

28.7+(4.3-0.65)

0.37+0.82+0.13

37-2.7-5.3

3.9+7.8=

0.04+2.1=

9.6+0.7=

56.9-28.9=

8.4-6.2=

4.1+8.1=

5.8+6.6=

3.8+0.31=

7.7-3.8=

2.51+5.35=

1.8-1=

0.49+9.2=

4.52+5.27=

0.02+3.5=

0.17+1.1=

0.04+0.66=

0.15+4.6=

7.9-2.4=

0.78+0.65=

1.7+0.91=

0.01+4=

0.71+4.3=

3.7+6.7=

4.6+0.05=

3.4-1.4=

777.5+349=

37.9+9.39

41.32+30.52=

36.47+491=

62.4+497.5=

694.3-352.5=

523.4-39.1=

76.52-3.59=

847-749.5=

0.47+0.08+0.33

81.3+61+88.7

91-9.5-2.5

352-76.1-43.9

87.4+52.6-6.1

3.2+23.6+3.8+36.4

46.6+(4.8-0.68)

3.5+5.3+4.5

38-0.56-0.14

0.17+9.1=

4.5+3.7=

6.7+0.9=

2.1-1.7=

0.8-0.7=

24.3-19.6=

0.74+2.79=

7.5+2.7=

16-0.9=

0.31+7.47=

4.8+0.1=

3.1-1.3=

1.76+9.87=

6.3-0.88=

3.89+2.36=

8.6+6.3=

99.4-81.3=

1.4+9=

6.7+3.6=

0.97+0.33=

3.3-1.3=

6.56+4.64=

2.4+6.9=

0.02+6=

71.2-23.2=

399-154.3=

559.2+59.7

23.27+26.6=

58.67+94.03=

4.19+663=

72.75-39.25=

555.4-24.5=

46.47-1.72=

639.1+498.6=

0.92+0.09+0.78

22.1+9.6+27.9

29-0.12-0.68

949-37.9-82.1

86.9+11.8-9.4

0.55+11.1+0.95+78.9

35.9-(6.5-0.74)

3.8+4.4+2.2

86-6.6-4.4

2.82+2.88=

0.15+8.9=

7.8+6.8=

1.33+5.93=

9.4-2.7=

6+5.65=

9.5-5.1=

0.04+0.4=

4.6-0.18=

1.68+8.05=

4+5.6=

9.84+3.63=

1.5+0.79=

0.43+4.2=

0.06+5.5=

0.52+0.65=

1.9+8.6=

0.95+2.7=

3.4+3.7=

0.16+0.83=

2.8+9.5=

9.4-2.1=

0.68+9.6=

0.22+0.83=

1.5+4.9=

1.299+1.266=

316+56.8

18.06+67.65=

961.1+81.87=

95.3+46.2=

869.8-222.9=

92.71-2.49=

270.4-27.8=

86.87-33.8=

7.8+7.9+3.2

6.14+8.26+6.86

54-2.4-3.6

756-6.79-8.21

5.42+8.89-0.78

0.29+48.4+0.81+31.6

62.5+(8.2-0.04)

9.6+6.2+4.4

51-0.33-0.77

8.7-0.44=

0.79+0.21=

9.9+6.8=

6.62+8.28=

2.3+7.2=

2.8+4.8=

2.1+0.18=

7.3-1.2=

1.4+0.07=

8.85+7.46=

0.11-0.06=

1.6+5.9=

5.25+2.82=

7.5+0.8=

6.9+8.5=

0.47+0.68=

0.77+9.2=

0.8+7.5=

46-30.3=

5.6+0.87=

0.54+0.91=

0.5+5=

7.3+0.94=

0.28+0.27=

0.11+7.3=

533.4+264.3=

1.352+0.289

43.54+25.22=

365.4+919.3=

2.94+492.7=

89.99-10.37=

574.9-12.1=

46.56-1.78=

8.467+8.125=

0.94+0.77+0.26

23.2+47.2+76.8

83-0.74-0.66

319-35.3-74.7

22.7+75.8-6.8

0.87+4.65+0.13+4.35

64+(1.1-0.2)

0.64+0.8+0.36

41-9.5-2.5

27.9-11.3=

4.57+0.98=

9-2.8=

9.9-7.7=

42.1-28.8=

4.9-4.8=

0.04+0.8=

2.7+7.8=

8.6+9.3=

0.49-0.15=

0.85+1.1=

0.39+0.1=

6.3+8=

0.49+0.43=

22-11=

8.9+7.21=

6.6-3.7=

9.8-0.86=

5.56+5.82=

4.3-3.2=

0.8-0.5=

0.04+4=

5.8-0.13=

0.52+0.75=

0.48+0.9=

826.3-240.3=

997.7+33.1

224.3+636.1=

28.01+79.86=

3.91+72.61=

823.2-579.9=

483-34.4=

75.48-1.98=

8.675+5.083=

1.6+7+5.4

96.7+64.6+83.3

80-1.9-7.1

727-4.18-1.82

84+38.2+4.1

6.5+5.57+1.5+4.43

73.4-(1.6-0.57)

3.4+3.8+1.6

37-8.5-9.5

3.5-0.29=

0.94+0.18=

0.47+0.01=

0.98+7.3=

0.44+0.28=

39.8-36.3=

26-21=

0.69+0.12=

0.53+8.5=

2.6+3.27=

0.37+0.03=

0.5-0.3=

49.9-23.1=

5-0.29=

1.4+3.72=

0.16+0.58=

5.1+4.9=

30-24.6=

2.82+5.41=

4.2+0.7=

0.35+0.95=

9.35+4.75=

5.3-0.9=

0.05+0.81=

7.53+0.78=

24.45-18.27=

7.53+0.388

744.5+168.8=

41.13+893.8=

49.2+53.65=

742.1-383.5=

74.88-3.23=

94.21-5.61=

139.6+124=

4.6+4.8+3.4

75.1+22.5+94.9

24-0.82-0.98

205-1.17-3.83

42.8+33.4-2.1

0.98+56.5+0.22+63.5

26.3+(2.6-0.01)

8.7+1.8+4.3

27-0.28-0.32

98-2=

0.35+0.5=

68.2-38.3=

8.3+0.81=

7.4+1=

0.61+4.8=

5.6-4.4=

29.8-19.2=

3.4-3.4=

0.91+0.96=

0.56+6.3=

87.1-2.7=

9.4+3.5=

7.4-2.4=

8.4-6.4=

0.5+2.5=

5.66+7.59=

6.5+4.9=

6.1-5.3=

7.83+1.13=

0.2+1.5=

0.44+0.01=

0.99+0.82=

85.6-60.5=

7.4+0.44=

88.17+86.54=

7.128+0.322

53.56+32.22=

35.22+850=

9.59+18.59=

99.71-42.68=

976.9-37.3=

22.01-3.72=

5.443-4.812=

7.5+0.3+5.5

77.1+65.7+32.9

43-0.44-0.56

765-34.9-85.1

9.12+9.5-0.94

0.33+74.7+0.17+45.3

12.1+(3.6-0.6)

0.16+0.7+0.44

59-6.9-4.1

91.8-71.6=

71.2-0.8=

0.68+0.29=

0.93+0.21=

0.14+0.87=

40.4-17.6=

5.3-2.2=

0.02+5.5=

66.6-1.9=

3.5+0.98=

5.72+5.74=

4.4+3.4=

7.3-0.34=

3.9-0.38=

7.9-7.9=

0.42+0.78=

6.3-4.7=

10.9-0.4=

0.85+0.6=

3.7+0.04=

0.18+0.99=

5.19+1.85=

1.2+0.6=

0.57+0.45=

8.2+3.8=

98.75-52.86=

76.36+7.49

29.12+89.64=

515+61.36=

5.93+941.9=

72.52-44.24=

724.6-42.2=

49.31-1.46=

260+172.4=

0.61+0.83+0.99

73.3+71.9+66.7

22-0.55-0.95

960-8.65-6.35

46+47.5-5.2

0.79+1.79+0.61+3.21

57.5+(4.1-0.73)

0.74+0.62+0.96

39-0.17-0.33

45.4-7.1=

13.7-9.4=

0.2+1.29=

0.71+0.76=

0.96+5.3=

3.4-1.1=

5.69+3.77=

0.07+0.07=

7.15+5.28=

0.24+5.6=

7.28+9.33=

46.4-32.9=

1.3-0.83=

7.8+9=

0.93+0.99=

7.02+5.44=

6.2+6.5=

4.7+0.5=

59.3-37.5=

0.31-0.22=

41.6-21.5=

0.9+0.45=

7.3-0.5=

0.06+3=

5.2+0.6=

61.91+37.39=

491.6+70

870.8+817.8=

439.5+59.57=

3.5+609.6=

64.14-28.64=

65.01-2.89=

446.8-13.5=

623.9+273.6=

8.3+3.2+1.7

1.11+4.52+7.89

28-1.2-6.8

681-61.2-68.8

7.34+8.47+0.92

4.4+6.11+9.6+9.89

14.6+(6.1-0.76)

3.7+1.6+7.3

32-9.9-9.1

0.95-0.81=

4.6-0.4=

2.4-1.4=

7.6+8.6=

8.4+0.85=

3.78+7.76=

6.1-0.82=

4.3+0.38=

9.5-3.1=

44.9-22.4=

0.88+1.6=

87.9-13.9=

0.9+6.9=

8+7.3=

58.7-57.2=

8+5.9=

1.8+1.1=

3.3-2.5=

5.93+1.37=

3.4-0.74=

4.5+0.07=

0.13+0.25=

0.44+0.1=

0.78+0.04=

5.9+0.7=

713.6-270.8=

980.7+15.5

78.5+89.41=

37.65+17.14=

33.2+33.02=

99.7-47.39=

22.13-3.63=

84.22-3.06=

2.116-2.052=

0.38+0.76+0.82

4.19+3.18+1.81

97-9.1-2.9

577-21.9-18.1

86+53.1+8.3

0.76+7.15+0.54+1.85

93.5-(4.8-0.48)

0.97+0.32+0.83

86-7.2-7.8

0.9+4.8=

41.2-14.7=

27.9-8.4=

9.7+0.29=

33-24.2=

0.67+1.5=

9.3+3.2=

7.1-0.39=

7.93+3.14=

22-0.1=

0.61-0.21=

3-2.3=

37.6-20.6=

72.5-54.2=

5.9+8.6=

9.2+2.1=

0.18+1.9=

4.47+7.49=

0.3+7.5=

0.7-0.86=

0.2+7.2=

3.9-1.5=

0.26+0.26=

6.9-1.6=

0.23+0.87=

3.118-2.857=

2.161+0.174

65.39+78.44=

44.55+630.9=

5.43+806.5=

82.72-14.39=

9.71-4.07=

38.41-4.9=

65.74+44.16=

0.19+0.42+0.91

7.46+2.35+5.54

80-5.9-3.1

500-5.27-3.73

7.09+5.55+0.45

2.4+18.2+5.6+21.8

91.6+(4.4-0.22)

0.51+0.97+0.89

38-0.19-0.21

0.75+5.8=

59-26.5=

0.71+0.42=

16.6-16=

19.4-5=

4.59+7.96=

2.23+8.5=

0.64+0.53=

3.28+7.05=

36.6-1=

3.8+3.1=

6.18+7.92=

54.7-46.8=

0.06+0.3=

1.7+0.83=

0.41+5.4=

9.7-7.1=

31.7-27.5=

5.3+5.6=

0.9+2.6=

9.94+5.31=

7.8+0.4=

7.2+1.3=

2.8+6.4=

8.7+3.4=

37.37+16.37=

71.12+1.47

808.2+838=

65.83+81.27=

97.2+638.1=

72.76-47.18=

224.4-19.7=

33.61-3.83=

904.9-792.2=

6.4+8.8+2.6

9.16+7.35+1.84

27-2.3-1.7

794-71.6-58.4

6.44+3.22-0.2

0.67+9.41+0.23+9.59

78.3+(6.5-0.87)

3.2+7.5+6.8

63-6.3-1.7

0.05+0.55=

0.9-0.9=

4.2-3=

59.9-58.2=

73.5-25.5=

2.8-1.9=

4.2+0.36=

0.91-0.03=

9.1+0.49=

6.6+5.2=

7.05+9.71=

3.24+8.76=

0.7-0.5=

0.27+1.1=

6-3.1=

1-0.3=

0.25+0.25=

2.4+0.2=

0.6-0.6=

0.4+1.9=

0.04+4.9=

3.3+0.46=

79-26.5=

1.4+7.65=

4.9+9.3=

59.89+43.34=

675.6+15.3

58.02+71.5=

104+62.97=

38+243.2=

96.53-55.07=

66.58-5.58=

752.2-41.8=

915.3+161.4=

0.53+0.1+0.97

4.57+8.97+8.43

21-0.51-0.99

751-66.6-83.4

5.85+6.4+0.22

2.5+4.37+4.5+4.63

28.1-(9.8-0.39)

7.2+0.1+2.8

68-6.8-8.2

8.9-5=

9.3+0.87=

5.8+5.1=

53.1-16.4=

9.1-2.5=

7.7+9.1=

9.36+6.95=

9.4+3.8=

1.7-0.9=

58.1-25.6=

0.07+2.7=

0.87+0.39=

0.68+5.5=

0.34+0.06=

0.7-0.16=

5.6-2.8=

0.89+8.18=

0.66+0.75=

86-45=

4.2-3.4=

0.31+3.6=

0.64-0.48=

4.7-2=

0.8-0.3=

6.8-5.3=

732.4-240.4=

9.531+0.517

451.4+363.7=

14.03+97.5=

72.6+82.28=

80.91-46.36=

59.14-4.64=

472.7-58.5=

6.764+6.561=

0.42+0.93+0.68

4.59+2.57+1.41

98-5.8-1.2

734-4.32-1.68

33.5+68.7+5

3.1+27.8+9.9+82.2

43.7-(2-0.33)

5.3+2+7.7

68-0.91-0.29

0.13+0.44=

0.88+0.05=

0.54+1.5=

0.6-0.52=

3.4-2.7=

8.6-0.57=

7-4.8=

0.7+0.8=

29.8-7.8=

36-20.2=

4.9+0.76=

2.6+6.7=

8.36+2.01=

0.96+0.52=

0.16+7.5=

8.2+4.27=

0.7-0.3=

6.9+2.42=

0.84+4.4=

61.6-2.3=

5.5-0.28=

8.1+4.9=

0.83+0.18=

53.5-7.2=

8.5+0.3=

81.83+43.33=

23.47+2.82

680.1+746.8=

411.6+230=

3.68+48.29=

619.6-532.3=

30.32-5.18=

241.5-25.8=

655-629.3=

0.57+0.7+0.13

88.6+77+31.4

37-6.6-7.4

304-8.61-2.39

5.14+2.58+0.35

6.6+1.26+7.4+4.74

49.9-(7.5-0.69)

0.25+0.02+0.35

64-0.63-0.77

63.1-3.9=

5.03+6.48=

5.7-0.54=

0.08+6.3=

6.47+9.44=

4.6-3.9=

26-15.4=

8.7-0.66=

6.84+7.79=

4.1-1=

9.41+2.02=

0.88+0.41=

7.4-3.1=

1.5-0.4=

0.14+1.9=

2.9-0.54=

1.49+7.6=

4-0.15=

55.2-44.6=

3.4+1.6=

0.6+8.9=

0.62+0.59=

0.66+0.02=

81.7-35.9=

7.8-0.7=

39.96+24.15=

93.89+2.45

680+504.2=

398.1+59.15=

78+58.7=

77.21-36.73=

96.04-5.75=

36.58-3.92=

76.36+31.7=

5.7+6.7+2.3

1.52+9.21+5.48

70-8.8-3.2

908-9.23-7.77

76.7+12.7+9

0.36+96.1+0.84+83.9

25.3+(9.3-0.54)

0.23+0.29+0.97

37-0.15-0.55

90.9-15.5=

0.73+8.1=

8.5-0.6=

91.5-65=

0.04+1.1=

0.8+2.3=

2.4-0.67=

22.6-10.6=

1.6-0.04=

6.3+1.5=

3.8+0.4=

5.1+0.83=

5.7+2.9=

0.09+0.2=

7.6-1.6=

3.5+0.6=

0.2+8.2=

83.6-53.5=

7.9+5.3=

3.6+0.8=

0.62+3.1=

21-5.3=

5.36+2.81=

8.1+0.2=

0.22+0.01=

4.436+3.959=

859.3+20.6

14.6+66.59=

77

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