北师大版四年级数学下册小数乘法综合练习题135.docx

北师大版四年级数学下册小数乘法综合练习题135.docx

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北师大版四年级数学下册小数乘法综合练习题135

一、口算。

0.7×7＝6×0.6＝0.6×10＝0.833÷100＝

38.2×1000＝9×0.09＝0.007×0.2＝0.07×60＝

0.2×3＝8×0.8＝0.7×1000＝0.21÷10＝

0.81×100＝0.06×0.09＝0.4×30＝0.01×0.3＝

二、列竖式计算。

0.78×0.69.5×0.290.51×0.897.1×7.87

5.1×0.93.8×8.20.28×0.60.23×2.04

0.15×0.086×0.250.4×8.60.57×27.7

2.8×0.65.4×0.880.87×9.461.6×1.6

一、口算。

0.3×7＝7×0.4＝0.002×10＝7.49÷1000＝

22.5×10＝70×0.09＝0.001×0.5＝0.07×0.04＝

0.3×7＝6×0.8＝0.8×10＝4.72÷10＝

0.127×10＝0.5×0.3＝0.07×7＝1.8×3＝

二、列竖式计算。

2.1×0.50.13×6.20.44×5.41.2×67.8

0.57×0.060.11×2.32.4×0.370.6×8.03

32×0.020.72×7.94.9×7.72.4×9.42

8.5×0.050.55×7.37×1.894.6×1.7

一、口算。

0.5×8＝8×0.6＝0.5×10＝3.65÷1000＝

0.33×100＝90×0.04＝0.003×40＝0.15×0.03＝

0.9×3＝7×0.7＝0.04×10＝3.46÷100＝

58.9×1000＝90×0.05＝0.001×6＝0.2×900＝

二、列竖式计算。

0.95×0.31.1×0.78×0.336.3×3.3

0.62×0.35.8×0.140.71×0.990.77×7.95

490×0.41.5×5.80.81×3.80.22×61.8

0.71×0.39.8×62.3×0.619.25×0.55

一、口算。

0.2×7＝4×0.6＝0.07×10＝0.323÷10＝

40.9×10＝0.3×0.06＝0.02×50＝0.12×60＝

0.2×8＝6×0.3＝0.09×1000＝8.02÷100＝

36.8×100＝0.5×0.9＝0.002×30＝1.6×50＝

二、列竖式计算。

9.3×0.066.4×30.9×0.355×6.87

0.92×0.043.3×6.80.11×0.80.15×48.1

79×0.72.6×2.44.2×7.80.8×1

0.26×0.080.3×8.77.2×0.6337×9.3

一、口算。

0.8×3＝7×0.3＝0.06×1000＝93÷10＝

0.844×10＝7×0.4＝0.1×500＝1.5×900＝

0.5×6＝5×0.7＝0.007×10＝79.7÷10＝

0.095×1000＝0.03×0.03＝0.3×70＝0.1×0.05＝

二、列竖式计算。

2.8×0.80.84×0.668.1×1.67.1×7.62

8.7×0.082.5×1.19.1×6.79.9×41.8

610×0.78.8×6.96.4×2.92.5×1.2

1.3×0.093.1×7.10.97×5.384.1×0.22

一、口算。

0.9×4＝3×0.5＝0.2×10＝37.2÷100＝

0.994×100＝0.7×0.02＝0.02×0.06＝1.3×90＝

0.8×9＝4×0.5＝0.008×100＝2.98÷10＝

45.2×1000＝70×0.2＝0.08×4＝1.2×0.4＝

二、列竖式计算。

3.5×0.40.86×9.40.55×6.43.5×28.4

0.31×0.020.54×0.740.39×9.21×7.51

8.9×0.072.2×0.190.69×8.40.52×4.76

1.8×0.080.7×5.80.15×0.55.53×6.6

一、口算。

0.5×5＝7×0.6＝0.004×100＝0.658÷100＝

24.7×100＝0.7×0.5＝0.006×5＝2×4＝

0.1×3＝8×0.6＝0.002×1000＝0.828÷10＝

58.5×100＝0.1×0.04＝0.04×0.03＝0.6×0.3＝

二、列竖式计算。

1.7×0.60.63×0.654.5×0.450.44×67.3

3.9×0.050.78×4.74.4×1.80.94×26.9

2200×0.099.9×8.98.5×8.80.18×4.31

5.6×0.50.33×2.10.54×6.438.5×3.8

一、口算。

0.4×6＝3×0.3＝0.4×100＝0.224÷100＝

86.5×10＝6×0.2＝0.6×300＝0.4×0.04＝

0.1×5＝4×0.8＝0.01×1000＝1.1÷10＝

0.677×100＝0.8×0.04＝0.2×0.2＝0.06×0.5＝

二、列竖式计算。

0.88×0.76.3×0.170.84×6.60.84×72.5

0.59×0.067.8×0.191.6×0.360.27×17.2

99×0.081.3×3.58.7×30.22×3.13

0.78×0.29×1.20.44×0.955.78×7.4

一、口算。

0.7×5＝9×0.5＝0.04×10＝0.354÷100＝

44.8×1000＝0.08×0.9＝0.06×0.9＝2×0.9＝

0.3×2＝7×0.6＝0.5×1000＝78.3÷100＝

28.7×10＝5×0.07＝0.7×0.08＝1.6×200＝

二、列竖式计算。

4.6×0.23.3×9.30.42×8.90.72×61.2

6.9×0.043.4×0.327.4×3.73.1×5.37

120×0.72.4×0.684.2×0.386.4×83.7

0.46×0.078.8×0.587.6×0.6197.8×0.23

一、口算。

0.5×3＝6×0.6＝0.2×10＝7÷1000＝

5.6×1000＝3×0.08＝0.4×90＝1.6×900＝

0.3×9＝8×0.4＝0.8×10＝9.8÷100＝

0.086×100＝0.02×0.3＝0.04×400＝0.08×60＝

二、列竖式计算。

5.7×0.54.8×0.392.4×0.60.27×2.58

4.9×0.35×8.27.8×7.10.44×47.5

5300×0.67.7×0.848.3×9.96×13.1

9.1×0.024.5×2.78×0.113.2×0.5

一、口算。

0.4×6＝4×0.3＝0.07×1000＝81.2÷1000＝

9.65×100＝1×0.3＝0.002×2＝0.6×700＝

0.4×6＝3×0.4＝0.002×100＝5.49÷1000＝

39.9×1000＝0.2×0.07＝0.8×300＝0.13×9＝

二、列竖式计算。

0.43×0.041.4×0.944.5×48.6×98.8

0.84×0.080.98×0.980.29×9.99.3×68.8

5.8×0.066.6×4.40.11×6.60.13×43.5

9.2×0.080.96×4.63.9×0.893.43×0.91

一、口算。

0.5×2＝5×0.6＝0.007×1000＝69.2÷1000＝

52.6×100＝0.4×0.4＝0.06×0.09＝0.02×400＝

0.3×2＝7×0.8＝0.09×10＝0.889÷100＝

84.2×10＝8×0.6＝0.01×50＝0.19×500＝

二、列竖式计算。

2.1×0.060.15×0.240.26×3.81.6×5.84

0.19×0.72.1×2.57.6×0.370.72×1.62

0.65×0.86.4×1.71.4×0.971.8×20.1

3.5×0.60.28×0.220.18×5.79.53×4.6

一、口算。

0.9×8＝6×0.5＝0.07×1000＝4.41÷100＝

0.96×1000＝4×0.9＝0.002×700＝0.11×0.02＝

0.1×7＝6×0.8＝0.07×10＝0.624÷100＝

3.09×1000＝90×0.2＝0.007×90＝0.1×5＝

二、列竖式计算。

8.9×0.030.48×0.110.38×0.640.89×9.1

0.72×0.40.96×0.15×8.85.2×6.63

56×0.90.7×0.890.91×5.21×5.54

2.3×0.30.91×0.360.81×5.92.2×8.3

一、口算。

0.1×4＝2×0.4＝0.007×100＝4.78÷10＝

6.44×1000＝0.08×0.8＝0.05×0.2＝1.5×0.8＝

0.2×3＝5×0.7＝0.002×1000＝1.02÷1000＝

0.685×100＝80×0.09＝0.006×30＝0.09×0.5＝

二、列竖式计算。

0.12×0.080.12×0.778.9×0.95.2×83.9

0.51×0.44×0.850.72×0.422.2×21.3

5900×0.047.5×0.350.12×0.691.1×56.8

0.77×0.078×8.30.38×7.86.38×6

一、口算。

0.2×9＝5×0.4＝0.007×10＝50÷100＝

0.783×10＝8×0.08＝0.008×6＝0.16×8＝

0.9×5＝6×0.4＝0.04×100＝0.886÷100＝

0.512×1000＝0.3×0.5＝0.02×5＝0.14×0.3＝

二、列竖式计算。

2.1×0.096×5.11.6×0.610.95×64.8

0.45×0.082.6×91.8×8.91.3×86.1

9.2×0.065.7×0.132.4×5.80.19×1.52

0.84×0.070.24×0.350.24×0.4745.8×0.71

一、口算。

0.8×3＝7×0.6＝0.6×10＝0.262÷10＝

3.13×1000＝0.3×0.4＝0.003×5＝0.4×300＝

0.1×7＝2×0.4＝0.2×1000＝3.3÷10＝

0.392×100＝1×0.07＝0.007×0.05＝0.01×9＝

二、列竖式计算。

2.9×0.071.9×0.462.6×5.14×41.4

0.14×0.20.31×5.17×0.962.8×83.3

72×0.60.39×2.40.88×0.755.3×42.7

9.1×0.030.31×0.970.18×0.474.8×0.65

一、口算。

0.8×3＝7×0.8＝0.4×1000＝0.371÷10＝

18×10＝1×0.4＝0.002×30＝1.2×7＝

0.3×5＝2×0.7＝0.001×100＝5.88÷10＝

0.429×10＝0.7×0.2＝0.6×0.9＝0.17×20＝

二、列竖式计算。

0.35×0.060.57×1.78.4×0.240.31×41.6

0.59×0.30.36×0.620.99×0.750.84×22.3

0.78×0.093.2×9.90.78×0.624.9×4.81

0.34×0.66.4×0.451.9×7.326.3×0.53

一、口算。

0.9×9＝7×0.3＝0.04×10＝0.416÷1000＝

0.914×100＝4×0.5＝0.03×6＝0.06×600＝

0.3×2＝5×0.6＝0.001×1000＝85.2÷100＝

0.058×10＝0.5×0.5＝0.2×400＝0.17×40＝

二、列竖式计算。

0.38×0.079.4×0.496.7×6.10.1×1.08

0.71×0.40.17×2.48.8×2.58.9×1.56

2.9×0.50.48×6.75.6×5.50.88×6.95

0.44×0.50.24×0.850.18×3.398.3×2

一、口算。

0.5×3＝4×0.5＝0.002×10＝0.61÷10＝

34.3×100＝0.02×0.4＝0.08×5＝1.3×0.04＝

0.1×8＝2×0.5＝0.07×10＝5.98÷100＝

88.6×100＝0.1×0.02＝0.003×500＝0.7×20＝

二、列竖式计算。

0.48×0.71.9×4.58.3×8.90.55×21.2

0.19×0.096.7×0.729.6×0.980.93×47.1

0.15×0.60.65×81.2×6.46.7×38.1

2.3×0.73.5×5.43.4×0.9886.4×6

一、口算。

0.7×7＝8×0.5＝0.4×1000＝0.75÷1000＝

1.17×1000＝0.1×0.02＝0.7×0.03＝2×0.06＝

0.3×6＝2×0.5＝0.08×100＝16.6÷10＝

23.2×10＝4×0.06＝0.09×0.8＝0.6×0.8＝

二、列竖式计算。

6.8×0.035.2×18.3×85.1×4.13

1.8×0.40.5×5.85.2×0.230.65×6.04

63×0.070.7×5.24.9×2.25.6×3.82

1.5×0.089.9×0.945×3.23.33×0.14