北师大版四年级数学下册小数乘法综合练习题165.docx

北师大版四年级数学下册小数乘法综合练习题165.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165

一、口算。

0.7×6＝4×0.6＝0.02×1000＝28.5÷10＝

8.72×1000＝0.3×0.08＝0.9×9＝0.07×6＝

0.9×8＝9×0.8＝0.05×10＝27.3÷10＝

52.3×10＝9×0.5＝0.8×0.04＝0.7×400＝

二、列竖式计算。

8.2×0.90.23×9.50.18×0.89.6×26.6

3.9×0.095×0.450.49×3.60.39×6.41

0.84×0.90.48×3.50.77×2.40.35×7.44

0.46×0.85.1×9.37×0.753.16×0.58

一、口算。

0.2×4＝8×0.7＝0.5×1000＝0.067÷10＝

6.64×1000＝4×0.7＝0.007×60＝0.17×30＝

0.9×6＝9×0.5＝0.003×100＝5.7÷1000＝

2.62×100＝0.8×0.8＝0.009×0.8＝0.4×600＝

二、列竖式计算。

0.41×0.040.59×40.54×0.860.24×42.3

5.9×0.029.1×0.170.19×7.88.4×68.6

530×0.54.3×3.41.4×0.639.9×42.1

5.3×0.092.4×0.462.9×0.7571.6×0.21

一、口算。

0.2×4＝4×0.4＝0.03×100＝0.688÷1000＝

9.13×1000＝0.3×0.5＝0.008×0.04＝0.05×0.07＝

0.8×4＝3×0.8＝0.004×10＝0.345÷1000＝

93.5×100＝0.03×0.5＝0.6×0.4＝0.1×3＝

二、列竖式计算。

8.2×0.030.17×5.90.36×4.70.84×5.14

2.7×0.70.16×0.134.3×4.61.7×33.7

88×0.86.3×1.98×0.380.87×86.6

1.4×0.056.4×6.84.4×5.958.9×2.4

一、口算。

0.6×9＝6×0.3＝0.003×1000＝1.2÷1000＝

2.8×100＝0.3×0.04＝0.07×800＝1.5×0.02＝

0.2×5＝5×0.6＝0.06×100＝16.4÷1000＝

45.6×10＝0.06×0.03＝0.008×80＝1.5×800＝

二、列竖式计算。

0.75×0.70.24×2.17.8×0.730.35×27.3

4.9×0.040.35×5.10.88×0.274.9×9.61

24×0.072.7×0.29.9×0.50.84×3.33

0.67×0.27.8×5.40.15×0.42.45×0.43

一、口算。

0.4×7＝7×0.6＝0.07×10＝2.96÷10＝

9.08×1000＝4×0.03＝0.009×80＝0.5×400＝

0.3×9＝9×0.3＝0.6×10＝83.9÷10＝

3.49×1000＝0.2×0.7＝0.006×900＝0.19×0.05＝

二、列竖式计算。

8.2×0.050.59×5.48.8×6.40.28×41.2

0.94×0.033.8×5.15.9×7.83.8×23.1

0.58×0.030.7×0.482.6×0.628.2×9.25

0.75×0.78.8×3.20.72×5.43.7×1.3

一、口算。

0.8×4＝3×0.7＝0.2×100＝18.9÷1000＝

1.33×10＝20×0.2＝0.001×0.5＝1.1×0.6＝

0.6×3＝8×0.2＝0.8×1000＝0.367÷1000＝

0.524×10＝90×0.09＝0.003×0.7＝0.07×70＝

二、列竖式计算。

2.5×0.78.8×8.32.9×6.10.98×45.2

0.99×0.30.23×4.21.2×1.90.46×96.1

3.7×0.052×0.430.79×0.290.28×8.6

0.35×0.060.12×0.92.2×3.28.77×0.35

一、口算。

0.5×8＝9×0.3＝0.004×1000＝24.7÷10＝

36.7×10＝0.4×0.06＝0.4×0.03＝0.14×0.08＝

0.9×4＝8×0.6＝0.001×100＝0.56÷1000＝

0.783×10＝0.03×0.9＝0.4×70＝1.7×50＝

二、列竖式计算。

2.4×0.93.6×0.170.62×5.40.91×52

3.4×0.40.65×0.880.34×0.532.9×2.26

49×0.043.1×8.40.48×0.260.21×4.45

5.8×0.30.74×0.130.18×0.7526.6×8.1

一、口算。

0.7×6＝6×0.6＝0.009×1000＝39.4÷1000＝

6.43×100＝0.06×0.4＝0.2×0.03＝0.01×700＝

0.2×2＝7×0.8＝0.004×1000＝3.66÷100＝

6.7×1000＝8×0.9＝0.9×0.02＝0.03×0.8＝

二、列竖式计算。

0.55×0.71.4×0.765.5×0.677.2×35.2

0.78×0.42.2×0.38.1×80.23×9.27

0.18×0.067.3×1.90.78×0.341.8×95.8

2.2×0.030.3×0.630.43×0.9747.2×5.7

一、口算。

0.7×9＝7×0.8＝0.03×1000＝70.5÷100＝

76.1×1000＝0.7×0.05＝0.08×0.4＝0.02×5＝

0.4×3＝6×0.6＝0.003×10＝6.59÷1000＝

0.962×100＝0.1×0.09＝0.2×90＝0.12×7＝

二、列竖式计算。

8.7×0.040.38×0.336.9×0.449.5×65.7

0.99×0.099.9×0.944.3×34.5×33.7

220×0.055.6×0.629.1×0.820.15×88.2

3.2×0.060.65×0.236.7×0.5678.4×0.5

一、口算。

0.8×9＝9×0.2＝0.04×100＝1.25÷1000＝

0.693×10＝8×0.9＝0.04×3＝0.01×0.05＝

0.3×9＝5×0.2＝0.07×100＝0.537÷1000＝

0.838×10＝40×0.03＝0.003×3＝1.4×0.2＝

二、列竖式计算。

4.7×0.086.5×0.110.72×2.93.3×2.99

0.61×0.092×0.723.5×7.60.46×1.4

2.7×0.32.4×0.497.9×0.810.72×5.09

0.97×0.80.53×0.378.3×0.663.66×9.9

一、口算。

0.8×2＝9×0.6＝0.3×10＝2.74÷1000＝

26.5×1000＝0.4×0.3＝0.4×0.07＝1×0.2＝

0.5×8＝9×0.3＝0.07×1000＝0.241÷1000＝

0.168×10＝0.9×0.08＝0.08×60＝0.18×7＝

二、列竖式计算。

0.27×0.50.54×0.660.25×2.50.14×59.3

0.43×0.045.5×7.68.9×0.758.9×29.9

0.77×0.087.1×0.740.53×7.21.8×3.16

0.28×0.048×0.494×0.1398.5×0.49

一、口算。

0.7×6＝3×0.9＝0.005×100＝3.13÷100＝

7.75×1000＝4×0.02＝0.07×500＝1.6×90＝

0.9×9＝8×0.6＝0.005×100＝0.91÷1000＝

7.91×100＝0.01×0.7＝0.009×700＝0.08×40＝

二、列竖式计算。

0.49×0.95.6×0.561.8×0.56.7×8.86

6.6×0.70.3×3.93.8×0.810.85×4

0.22×0.38.6×4.40.34×0.980.95×2.74

0.11×0.65.8×0.561.5×7.262.7×0.19

一、口算。

0.5×9＝5×0.8＝0.07×1000＝4.04÷100＝

4.19×100＝6×0.06＝0.5×800＝0.08×0.02＝

0.3×6＝3×0.7＝0.009×1000＝93÷1000＝

12.2×1000＝0.04×0.08＝0.08×0.09＝0.11×0.7＝

二、列竖式计算。

2.2×0.094.1×0.83.1×9.91.4×89.2

0.58×0.50.99×0.450.75×30.75×9.16

760×0.075.5×0.540.93×7.21.3×96

4.8×0.024.6×0.733.4×9.226.2×7.5

一、口算。

0.6×4＝2×0.4＝0.4×1000＝9.51÷100＝

23.4×10＝10×0.5＝0.6×600＝0.07×4＝

0.3×3＝9×0.8＝0.006×100＝5.22÷10＝

97.9×10＝10×0.9＝0.004×0.06＝0.1×0.03＝

二、列竖式计算。

0.28×0.043.7×0.546.1×6.30.34×3.41

4.4×0.20.2×0.10.32×0.484.1×4.89

0.64×0.050.96×7.30.4×6.10.87×76.6

1.9×0.99.4×6.97.5×368.5×1.4

一、口算。

0.2×4＝7×0.7＝0.005×100＝82.6÷1000＝

5.47×100＝7×0.02＝0.7×0.8＝1.4×70＝

0.6×4＝5×0.6＝0.09×1000＝0.961÷1000＝

9.41×1000＝80×0.7＝0.05×30＝0.1×90＝

二、列竖式计算。

0.41×0.039.6×0.860.66×3.60.25×78.7

2.3×0.50.21×9.90.66×4.29.4×1.31

99×0.80.57×10.71×1.10.26×7.74

0.59×0.050.11×2.40.39×172.8×0.77

一、口算。

0.3×8＝2×0.6＝0.009×100＝89.3÷10＝

5.8×100＝8×0.9＝0.004×90＝0.9×70＝

0.3×6＝6×0.5＝0.003×1000＝0.053÷10＝

0.2×100＝30×0.8＝0.005×20＝1.5×50＝

二、列竖式计算。

0.26×0.20.78×7.74.1×4.40.2×9.87

0.95×0.50.83×0.81.8×0.190.35×77.1

8400×0.50.23×1.94.4×0.840.97×25.4

7.8×0.080.14×0.245.4×4.333.7×6.4

一、口算。

0.9×7＝8×0.6＝0.003×10＝22.4÷1000＝

5.5×100＝80×0.7＝0.001×400＝0.03×50＝

0.5×4＝7×0.6＝0.05×10＝0.699÷1000＝

5.8×1000＝7×0.09＝0.09×3＝1.8×5＝

二、列竖式计算。

0.23×0.041.9×6.20.3×0.724.3×71.1

4.1×0.98.2×5.14.3×5.17.8×1.52

65×0.60.13×0.440.9×0.940.11×10.1

0.26×0.20.9×9.15.3×8.97.26×0.27

一、口算。

0.7×9＝2×0.3＝0.7×10＝92.6÷1000＝

9×10＝0.8×0.08＝0.009×0.4＝0.05×70＝

0.9×8＝5×0.4＝0.008×1000＝9.85÷10＝

0.68×1000＝0.6×0.7＝0.05×5＝1.5×6＝

二、列竖式计算。

4.5×0.51.3×4.43.4×4.43.7×8.49

6.2×0.40.59×0.135.4×3.93.8×6.23

220×0.077.3×0.380.22×0.149.5×4.96

0.94×0.90.59×0.710.7×0.484.25×3.7

一、口算。

0.7×2＝6×0.8＝0.008×10＝5.54÷10＝

2.84×10＝50×0.4＝0.03×0.3＝0.09×0.08＝

0.4×6＝4×0.4＝0.8×100＝53.3÷100＝

1.66×10＝60×0.5＝0.005×80＝0.13×8＝

二、列竖式计算。

0.95×0.031.2×0.380.59×0.860.82×6.28

0.26×0.95.5×0.65.2×0.694.4×67.7

49×0.069.9×0.340.76×0.581.7×4.51

0.84×0.80.64×7.40.56×0.1117.7×6.8

一、口算。

0.4×8＝4×0.2＝0.004×1000＝0.013÷1000＝

8.77×1000＝80×0.02＝0.7×400＝0.8×50＝

0.7×8＝8×0.5＝0.4×1000＝0.81÷10＝

7.28×10＝10×0.6＝0.003×50＝0.06×800＝

二、列竖式计算。

7.9×0.98.8×0.321.8×5.60.57×96.9

0.26×0.26.1×0.660.39×3.60.9×9.16

79×0.040.92×0.617.1×5.10.32×6.91

6.9×0.68.1×0.997.6×2.134.7×0.39