北师大版四年级数学下册小数乘法综合练习题87.docx

北师大版四年级数学下册小数乘法综合练习题87.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87

一、口算。

0.8×7＝9×0.5＝0.008×1000＝0.265÷100＝

9.32×10＝0.3×0.2＝0.02×0.04＝0.09×0.02＝

0.2×2＝8×0.7＝0.05×1000＝0.313÷1000＝

0.674×1000＝0.09×0.3＝0.1×6＝0.14×0.05＝

二、列竖式计算。

0.25×0.020.66×1.82.6×3.70.12×58.6

3.3×0.090.4×3.30.29×1.81.2×74.2

5500×0.020.34×8.30.92×0.434.9×1.51

3.6×0.92.6×6.82.2×0.589.09×0.76

一、口算。

0.9×7＝7×0.8＝0.2×10＝1.55÷100＝

2.68×100＝1×0.02＝0.007×0.03＝0.17×80＝

0.6×4＝2×0.2＝0.05×10＝1.79÷100＝

9.39×10＝30×0.07＝0.06×500＝0.06×40＝

二、列竖式计算。

9.7×0.66.5×5.88.7×0.588.6×2.71

7.7×0.060.5×9.98.1×9.30.68×25.1

3.6×0.89.9×0.926.1×0.960.8×50.6

0.61×0.090.11×7.10.26×0.123.29×0.58

一、口算。

0.8×3＝3×0.7＝0.04×10＝51.3÷100＝

0.23×1000＝70×0.3＝0.03×5＝0.3×60＝

0.1×5＝2×0.3＝0.05×100＝0.319÷10＝

88.4×100＝0.03×0.06＝0.08×0.5＝0.7×0.04＝

二、列竖式计算。

2.1×0.020.7×0.620.5×0.460.75×74.3

0.52×0.040.64×0.36.9×6.79.8×51.4

0.94×0.091.5×1.20.25×1.81.1×94.7

0.48×0.044.4×0.884.7×4.381.9×5.7

一、口算。

0.4×8＝2×0.7＝0.007×100＝0.65÷10＝

25.3×1000＝80×0.04＝0.7×0.8＝0.08×0.4＝

0.5×7＝6×0.3＝0.008×100＝0.328÷1000＝

7.68×100＝0.2×0.6＝0.009×500＝1.1×0.4＝

二、列竖式计算。

3.4×0.39.9×5.90.76×1.26.1×83.1

0.53×0.30.99×0.150.86×0.690.22×31.3

43×0.90.24×6.24.3×0.49.5×1.27

0.63×0.90.12×8.50.57×4.15.82×0.68

一、口算。

0.8×4＝5×0.7＝0.06×100＝1.18÷100＝

7.79×100＝70×0.05＝0.03×0.07＝0.6×2＝

0.8×3＝3×0.4＝0.004×100＝6.95÷100＝

0.709×10＝0.04×0.2＝0.01×4＝1.9×0.02＝

二、列竖式计算。

4.1×0.040.83×3.29.3×0.258.9×3.77

0.71×0.40.11×9.40.41×3.40.26×5.2

13×0.44.6×0.370.97×5.60.33×53.4

8.2×0.61×0.25.8×0.614.05×0.48

一、口算。

0.7×6＝9×0.7＝0.01×10＝0.625÷1000＝

83.7×100＝0.7×0.08＝0.004×30＝0.2×800＝

0.2×3＝8×0.6＝0.5×1000＝7.2÷10＝

2.31×1000＝0.1×0.9＝0.6×0.9＝0.9×8＝

二、列竖式计算。

3.2×0.80.64×0.431.5×9.48×1.6

1.4×0.078.3×4.30.24×70.79×1.12

230×0.097.9×7.90.46×5.60.68×22

8.5×0.080.8×7.80.58×0.175.1×0.74

一、口算。

0.6×4＝4×0.3＝0.002×1000＝78.9÷100＝

8.93×100＝0.5×0.6＝0.009×0.9＝0.08×600＝

0.5×8＝8×0.4＝0.007×1000＝69.1÷10＝

0.143×1000＝9×0.04＝0.2×0.8＝0.16×0.7＝

二、列竖式计算。

0.83×0.077.4×5.71.6×3.90.55×1.65

0.35×0.042.2×0.846.8×0.140.91×79.7

0.39×0.80.74×0.959.9×5.40.77×4.22

4.8×0.33.4×4.20.19×7.919.3×0.91

一、口算。

0.5×4＝2×0.7＝0.06×1000＝0.59÷10＝

0.137×10＝0.1×0.7＝0.5×6＝0.16×600＝

0.8×4＝7×0.8＝0.09×10＝1.35÷1000＝

0.769×1000＝0.07×0.6＝0.8×600＝0.12×0.05＝

二、列竖式计算。

6.7×0.65.2×24.3×1.60.9×44

0.59×0.068.7×0.675×8.40.46×2.49

620×0.96×1.70.69×0.570.64×43.2

0.45×0.27.6×0.173.2×4.193.4×0.35

一、口算。

0.5×5＝5×0.9＝0.003×10＝6.12÷100＝

25.3×1000＝0.03×0.8＝0.04×70＝0.17×0.05＝

0.6×5＝4×0.3＝0.001×100＝0.374÷100＝

77.8×10＝0.07×0.4＝0.009×5＝0.12×0.06＝

二、列竖式计算。

7.6×0.20.72×7.10.56×0.318.7×16.9

0.47×0.60.59×0.380.57×6.10.56×5.27

2.7×0.070.15×6.84.4×0.810.67×4.09

0.43×0.50.92×0.50.6×0.8823.5×0.23

一、口算。

0.4×3＝6×0.9＝0.06×10＝6.57÷1000＝

3.04×10＝6×0.05＝0.7×8＝0.13×3＝

0.8×6＝5×0.8＝0.8×100＝25.9÷10＝

75.1×100＝0.03×0.5＝0.7×200＝1.3×0.07＝

二、列竖式计算。

0.35×0.050.79×0.937.5×2.90.99×2.72

0.67×0.60.14×9.80.5×0.646.6×1.68

4300×0.054.9×8.77.2×0.160.64×66.6

8.4×0.91.7×1.61.3×0.241.23×7.6

一、口算。

0.2×8＝8×0.9＝0.7×100＝0.86÷1000＝

87.8×100＝40×0.05＝0.001×0.04＝0.1×0.6＝

0.8×9＝3×0.9＝0.4×100＝0.13÷100＝

5.86×100＝6×0.05＝0.6×70＝1.3×0.7＝

二、列竖式计算。

0.77×0.028.9×0.124.5×0.530.78×7.51

0.21×0.086×9.68.4×0.650.6×1.12

17×0.79.9×0.390.26×1.50.2×94.3

4.2×0.080.73×4.41.3×0.539.09×0.31

一、口算。

0.2×5＝5×0.6＝0.9×1000＝6.37÷10＝

0.487×100＝0.01×0.9＝0.008×0.02＝0.3×6＝

0.2×6＝6×0.5＝0.007×10＝0.06÷1000＝

0.79×10＝1×0.3＝0.08×0.2＝0.06×300＝

二、列竖式计算。

0.63×0.098.3×0.870.7×0.255.3×1.67

0.33×0.56.4×6.30.78×0.397×7.53

9.1×0.88.5×10.91×4.80.62×99

0.44×0.021.1×0.870.53×0.6468.7×6.7

一、口算。

0.7×3＝9×0.6＝0.05×100＝3.07÷1000＝

47.9×1000＝2×0.02＝0.6×800＝0.03×300＝

0.5×2＝7×0.6＝0.006×100＝56.2÷100＝

0.51×1000＝0.03×0.05＝0.8×0.04＝1.3×0.02＝

二、列竖式计算。

1.9×0.80.62×3.20.77×0.870.28×80.4

0.23×0.30.36×4.70.42×6.76.8×14.4

3400×0.052.2×0.899.9×0.922.5×3.43

0.96×0.044.8×0.821.4×1.752.2×0.95

一、口算。

0.7×6＝4×0.6＝0.05×100＝0.404÷10＝

0.894×10＝0.04×0.7＝0.04×30＝0.18×9＝

0.4×3＝9×0.9＝0.4×1000＝0.584÷1000＝

44.6×10＝40×0.04＝0.5×80＝1.2×0.5＝

二、列竖式计算。

0.25×0.030.8×5.62.9×0.379.9×8.14

0.26×0.035.9×0.980.55×0.915.1×39.3

8.9×0.20.22×0.197.3×1.10.44×3.74

5.2×0.33.3×0.820.48×88.63×0.28

一、口算。

0.4×4＝6×0.9＝0.004×1000＝8.97÷100＝

8.72×10＝50×0.2＝0.3×80＝0.08×9＝

0.9×5＝9×0.2＝0.008×100＝64.5÷100＝

41.4×10＝20×0.2＝0.5×90＝0.13×9＝

二、列竖式计算。

7.1×0.70.86×9.30.88×0.860.16×7.12

0.31×0.076.4×0.270.59×0.860.2×16.6

5.6×0.33×4.42.3×6.55.3×8.43

0.49×0.021.5×0.826.5×1.422.2×0.18

一、口算。

0.7×6＝8×0.8＝0.4×10＝98.1÷1000＝

82.8×100＝0.06×0.03＝0.2×90＝0.18×4＝

0.8×5＝8×0.7＝0.004×1000＝66÷1000＝

8.53×100＝0.5×0.8＝0.03×0.03＝1.1×0.8＝

二、列竖式计算。

0.62×0.082.2×0.234.4×0.491.4×12.7

5.7×0.070.56×1.13.2×1.30.33×9.83

4200×0.030.98×0.227.6×9.20.12×35.9

2.2×0.28.6×4.50.72×0.371.26×5.4

一、口算。

0.1×8＝7×0.2＝0.05×100＝0.114÷100＝

0.408×10＝0.8×0.02＝0.6×20＝0.6×0.9＝

0.5×9＝5×0.8＝0.9×1000＝0.508÷100＝

0.425×100＝1×0.04＝0.06×4＝1×0.6＝

二、列竖式计算。

1.5×0.60.65×28.1×0.413.7×9.41

2.9×0.064×5.83.2×0.420.51×3.56

65×0.094.9×0.160.66×0.271×1.59

8.5×0.95.8×0.490.6×0.618.06×6.4

一、口算。

0.1×9＝5×0.2＝0.4×1000＝90.2÷100＝

0.997×10＝0.7×0.6＝0.003×200＝1.8×80＝

0.6×9＝3×0.6＝0.03×100＝4.81÷10＝

9.65×100＝0.9×0.6＝0.09×7＝0.7×0.3＝

二、列竖式计算。

3.4×0.070.45×2.50.81×0.476.9×36.7

0.29×0.30.92×0.840.36×2.10.38×40.6

990×0.20.78×0.130.79×7.58.8×52.1

0.86×0.070.42×0.540.34×9.445.8×4.6

一、口算。

0.8×7＝9×0.8＝0.006×10＝0.578÷100＝

0.309×10＝40×0.09＝0.7×0.08＝0.02×0.8＝

0.5×3＝2×0.6＝0.1×100＝5.39÷1000＝

51.5×100＝8×0.5＝0.004×900＝0.05×0.02＝

二、列竖式计算。

0.92×0.89.5×0.143.9×4.20.16×9.53

0.73×0.60.56×0.680.9×0.323.4×27.3

770×0.090.13×5.64.2×0.80.6×58.1

0.86×0.096.9×0.450.82×6.763.6×0.18

一、口算。

0.5×2＝5×0.2＝0.08×100＝0.8÷1000＝

6.7×100＝40×0.07＝0.008×80＝0.07×0.5＝

0.8×6＝9×0.8＝0.08×1000＝8.1÷10＝

67.1×100＝1×0.08＝0.3×500＝0.9×6＝

二、列竖式计算。

1.1×0.074.3×0.710.2×0.584.2×11.3

1.9×0.030.53×3.50.38×9.85×2.98

1400×0.53.7×0.613.1×4.35.8×6.25

0.46×0.030.94×0.213.8×8.65.96×0.57