北师大版四年级数学下册小数乘法综合练习题105.docx

北师大版四年级数学下册小数乘法综合练习题105.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105

一、口算。

0.1×4＝9×0.6＝0.5×100＝37÷1000＝

0.523×100＝30×0.6＝0.3×0.7＝1.5×80＝

0.5×4＝4×0.7＝0.004×1000＝82.5÷100＝

0.952×1000＝0.3×0.7＝0.5×3＝1.9×500＝

二、列竖式计算。

3.4×0.20.81×7.87.8×0.272.8×47.6

0.88×0.20.71×0.292×0.940.88×18.8

9700×0.030.31×0.532.5×0.648.3×7.69

0.53×0.060.31×6.70.26×325.4×7.2

一、口算。

0.9×4＝7×0.8＝0.01×10＝16.6÷10＝

0.666×10＝0.6×0.2＝0.009×0.2＝0.02×9＝

0.8×5＝9×0.7＝0.04×100＝8.34÷1000＝

71.9×10＝30×0.04＝0.6×0.06＝0.08×0.03＝

二、列竖式计算。

0.98×0.88.9×1.50.89×8.69×89.1

0.51×0.056.9×0.537.9×8.32.3×9.87

0.72×0.093.3×9.27.5×9.98×8.57

0.64×0.69.7×7.30.27×4.39.75×0.51

一、口算。

0.2×3＝9×0.6＝0.05×10＝9.04÷10＝

0.915×100＝40×0.04＝0.5×0.8＝0.16×0.3＝

0.4×3＝2×0.6＝0.7×100＝1.44÷100＝

1.3×100＝0.4×0.09＝0.009×0.09＝0.9×5＝

二、列竖式计算。

9.1×0.020.27×0.192.4×0.587.1×78.3

2.2×0.080.24×3.50.48×6.90.99×46.3

54×0.70.16×0.472.7×0.370.85×4.26

5.8×0.78.1×0.971.2×0.981.87×1.3

一、口算。

0.9×2＝7×0.3＝0.005×1000＝5.32÷1000＝

92.9×1000＝30×0.9＝0.6×0.3＝0.9×9＝

0.3×6＝6×0.7＝0.8×10＝9.06÷10＝

0.099×1000＝0.01×0.2＝0.003×40＝1.5×0.06＝

二、列竖式计算。

8.5×0.085.4×0.680.29×0.334.5×7.47

1.7×0.58×3.60.57×4.77.5×9.29

4400×0.079.1×6.79.4×62.7×63.6

3.9×0.59.8×4.60.39×5.38.77×0.36

一、口算。

0.9×5＝7×0.6＝0.1×10＝45.5÷100＝

40×10＝0.04×0.9＝0.07×0.07＝0.17×0.8＝

0.7×4＝9×0.5＝0.09×100＝17.4÷1000＝

3.59×1000＝4×0.09＝0.003×9＝0.1×60＝

二、列竖式计算。

0.35×0.33.3×0.595.4×0.650.17×7.04

5.9×0.090.27×0.616.1×9.50.19×3.29

8900×0.40.41×0.310.8×0.885.8×44.2

6.1×0.47.3×8.21.5×3.65.47×0.56

一、口算。

0.7×4＝6×0.7＝0.7×100＝5.73÷100＝

4.23×10＝2×0.8＝0.001×0.09＝0.03×0.08＝

0.8×4＝8×0.3＝0.002×100＝0.469÷100＝

86.6×10＝0.01×0.08＝0.7×0.2＝0.14×70＝

二、列竖式计算。

7.4×0.20.45×0.37.3×20.61×51.6

0.98×0.090.84×0.594.4×7.30.57×83.7

770×0.63.1×3.20.19×0.390.7×95.2

9.4×0.73.8×0.140.21×0.5734.6×8.9

一、口算。

0.1×8＝6×0.3＝0.007×100＝5.76÷1000＝

0.39×1000＝0.04×0.4＝0.002×70＝0.12×0.02＝

0.8×6＝6×0.2＝0.6×100＝17.6÷1000＝

80.6×10＝0.9×0.3＝0.006×900＝0.07×7＝

二、列竖式计算。

5.5×0.084.5×0.740.46×9.40.59×9.12

6.3×0.073.4×0.794.1×0.168.1×68

46×0.36.1×8.93×0.989.9×14.5

0.78×0.050.51×0.336.8×3.891.3×0.39

一、口算。

0.4×4＝3×0.6＝0.9×100＝0.412÷1000＝

4.92×100＝90×0.07＝0.9×60＝0.2×3＝

0.3×4＝3×0.3＝0.004×100＝0.79÷10＝

4.87×100＝0.8×0.4＝0.08×0.3＝0.11×0.2＝

二、列竖式计算。

0.82×0.74.9×66.2×60.67×70.5

7.6×0.73.1×0.830.2×0.810.55×3.14

0.27×0.062.5×0.170.8×3.80.9×1.94

0.18×0.36.1×0.451×9.349×0.53

一、口算。

0.3×3＝6×0.5＝0.1×10＝5.18÷1000＝

0.046×1000＝0.2×0.5＝0.001×6＝0.13×30＝

0.6×7＝3×0.2＝0.9×10＝7.63÷1000＝

4.55×1000＝50×0.08＝0.001×800＝0.17×20＝

二、列竖式计算。

7.3×0.70.58×0.593.2×0.360.22×24

7.5×0.098.8×0.550.71×0.414.3×1.55

8.5×0.040.67×3.53×0.890.97×3.49

0.35×0.50.14×0.83.4×9.95.02×9.5

一、口算。

0.8×8＝4×0.7＝0.3×100＝32.6÷10＝

4.08×100＝50×0.7＝0.8×70＝1.8×200＝

0.6×8＝5×0.7＝0.8×1000＝95.3÷10＝

27.9×100＝0.5×0.03＝0.1×200＝0.1×3＝

二、列竖式计算。

0.27×0.044.4×4.64.1×2.50.15×24.9

6.1×0.63.3×2.90.68×3.86.7×47.1

0.82×0.37.1×0.790.39×0.520.7×75.8

0.92×0.80.38×8.63.1×7.153.4×0.4

一、口算。

0.4×9＝8×0.5＝0.009×10＝6.84÷10＝

13.1×10＝0.9×0.05＝0.01×0.03＝0.15×300＝

0.9×3＝3×0.6＝0.02×100＝0.406÷10＝

0.882×100＝0.6×0.07＝0.7×600＝0.05×5＝

二、列竖式计算。

1.9×0.30.4×96×7.72.6×2.68

0.96×0.30.85×0.250.84×0.920.37×1.9

8.6×0.040.14×0.568.8×0.660.76×3.59

0.42×0.057.9×2.80.46×0.8737.7×0.65

一、口算。

0.5×5＝4×0.3＝0.009×100＝98.5÷100＝

0.092×1000＝1×0.08＝0.003×9＝0.3×0.9＝

0.1×4＝9×0.6＝0.04×1000＝81.9÷1000＝

3.02×100＝0.05×0.05＝0.007×0.06＝1×40＝

二、列竖式计算。

0.87×0.55×0.20.48×6.10.96×3.7

0.41×0.030.93×0.210.28×8.60.96×36.1

7200×0.061.2×0.283.3×1.90.64×4.27

0.64×0.50.49×1.87.9×0.5571.1×6.5

一、口算。

0.7×4＝7×0.2＝0.7×1000＝39.9÷100＝

8.84×10＝40×0.7＝0.002×70＝1.6×0.09＝

0.5×3＝2×0.6＝0.9×100＝3.3÷100＝

72.7×100＝0.4×0.3＝0.004×8＝1.5×200＝

二、列竖式计算。

8.1×0.080.64×9.50.67×8.40.25×7.31

0.37×0.45×3.79.8×60.4×86

56×0.031.8×7.51.2×8.80.64×3.22

0.82×0.48.2×0.252.6×0.29.74×0.71

一、口算。

0.5×6＝7×0.6＝0.01×10＝0.97÷100＝

5.15×1000＝20×0.7＝0.2×300＝2×60＝

0.6×6＝3×0.3＝0.05×100＝34.2÷1000＝

0.029×100＝0.2×0.4＝0.01×500＝0.02×600＝

二、列竖式计算。

8.7×0.86.2×8.50.45×0.210.57×82.4

4.9×0.090.8×6.96.1×0.390.57×7.77

3100×0.48.4×5.70.38×0.50.81×79.5

4.1×0.037×0.10.32×0.121.42×1.9

一、口算。

0.7×3＝5×0.5＝0.06×100＝22.1÷10＝

98×100＝0.2×0.9＝0.4×80＝0.8×0.09＝

0.7×7＝2×0.5＝0.4×1000＝0.403÷10＝

0.52×1000＝40×0.2＝0.007×0.4＝0.09×50＝

二、列竖式计算。

3.5×0.025.3×0.570.2×0.650.1×33.6

0.29×0.73.4×0.44.6×0.650.45×2.75

7.3×0.20.2×0.267.9×0.80.53×18.7

6.4×0.95.1×1.30.16×0.9339.5×0.93

一、口算。

0.5×3＝5×0.3＝0.009×100＝0.137÷100＝

4.37×100＝0.2×0.03＝0.008×0.09＝1.6×0.09＝

0.6×3＝7×0.3＝0.01×100＝0.236÷10＝

93.9×100＝0.08×0.04＝0.2×0.2＝0.05×6＝

二、列竖式计算。

0.65×0.61.9×0.830.71×0.470.16×78.6

2.4×0.050.74×4.60.67×0.939.5×5.15

490×0.050.94×8.39×0.730.61×72.5

8.7×0.090.83×0.97.4×81.68×2.7

一、口算。

0.7×3＝9×0.4＝0.07×100＝4.55÷10＝

5.6×10＝2×0.5＝0.009×700＝0.06×0.05＝

0.2×5＝3×0.2＝0.003×1000＝4.9÷10＝

49.1×1000＝0.6×0.4＝0.05×2＝0.04×30＝

二、列竖式计算。

7.8×0.070.15×0.871.8×82×96.5

3.4×0.020.88×1.17.2×1.70.48×56.5

28×0.060.49×0.827.4×0.750.26×6.53

2.5×0.51.7×0.30.19×9.22.94×5.4

一、口算。

0.7×2＝9×0.5＝0.03×100＝3.9÷100＝

0.225×1000＝80×0.08＝0.009×0.5＝0.05×0.2＝

0.9×5＝7×0.3＝0.009×10＝27.8÷100＝

0.506×100＝90×0.04＝0.01×2＝0.5×0.03＝

二、列竖式计算。

6.4×0.50.72×5.80.97×0.344.1×5.99

0.11×0.73.2×8.30.94×0.590.35×8.49

0.46×0.030.19×0.425.7×0.377×4.88

2.7×0.71.1×1.35.5×86.32×5.4

一、口算。

0.2×4＝3×0.5＝0.009×1000＝74.6÷10＝

5.51×10＝0.05×0.04＝0.06×90＝0.1×0.7＝

0.1×4＝4×0.9＝0.09×100＝0.601÷10＝

94.1×100＝0.1×0.05＝0.6×70＝0.02×600＝

二、列竖式计算。

5.2×0.060.95×8.30.8×0.450.54×5.62

1.8×0.098.3×0.550.47×0.30.72×41.1

910×0.030.25×6.16.3×0.379.9×33.3

0.43×0.79.7×0.870.34×0.517.87×0.79

一、口算。

0.3×7＝4×0.6＝0.5×1000＝37.7÷10＝

5.29×1000＝10×0.02＝0.008×2＝0.07×0.2＝

0.7×2＝2×0.3＝0.007×10＝0.586÷10＝

0.331×10＝0.7×0.7＝0.009×70＝0.7×0.06＝

二、列竖式计算。

0.42×0.090.86×0.996.2×0.350.36×4.56

0.26×0.050.2×2.42.6×0.429.8×2.07

280×0.30.69×1.40.79×0.499.1×48.3

2.6×0.40.18×3.34.6×6.228.5×0.56