北师大版四年级数学下册小数乘法综合练习题169.docx

北师大版四年级数学下册小数乘法综合练习题169.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169

一、口算。

0.9×8＝6×0.7＝0.9×1000＝0.75÷1000＝

2.67×1000＝0.04×0.8＝0.001×0.05＝0.06×0.8＝

0.3×4＝3×0.6＝0.7×1000＝9.32÷100＝

0.508×1000＝80×0.06＝0.003×5＝0.18×700＝

二、列竖式计算。

5.2×0.79.8×2.89.2×3.50.49×9.8

0.95×0.070.97×4.78.1×8.30.1×8.87

1900×0.87.3×0.681.5×3.10.25×3.45

0.96×0.69.2×9.60.48×0.895.29×0.91

一、口算。

0.6×4＝5×0.7＝0.001×100＝8.97÷100＝

7.01×1000＝5×0.07＝0.002×3＝0.14×90＝

0.7×5＝5×0.8＝0.09×10＝0.134÷1000＝

8.18×10＝0.04×0.8＝0.2×6＝0.14×3＝

二、列竖式计算。

0.23×0.035.8×5.35×0.798.9×7.92

6.2×0.80.77×0.456.6×7.53.1×7.55

19×0.056.8×0.273.6×9.60.11×7.55

0.82×0.040.39×7.10.87×0.793.85×2

一、口算。

0.7×4＝2×0.4＝0.002×10＝7.11÷10＝

0.822×1000＝0.4×0.2＝0.006×300＝0.09×0.03＝

0.2×4＝4×0.7＝0.005×100＝9.33÷10＝

81.2×100＝30×0.02＝0.8×0.06＝0.15×2＝

二、列竖式计算。

3.7×0.50.16×0.260.36×0.230.47×91.8

7.8×0.87.2×0.948×3.50.69×52.7

270×0.96.8×5.70.9×6.45.2×9.2

5.4×0.060.67×76.5×0.8281.4×1.2

一、口算。

0.9×4＝2×0.2＝0.9×100＝3.97÷100＝

53.8×10＝0.2×0.05＝0.03×0.02＝0.4×9＝

0.6×4＝6×0.3＝0.002×100＝3.91÷100＝

0.18×1000＝0.02×0.05＝0.008×700＝0.8×0.5＝

二、列竖式计算。

0.55×0.80.98×0.30.54×0.10.41×87.7

0.13×0.070.59×0.954.1×40.2×7.59

7900×0.70.29×80.7×0.450.46×4.38

0.16×0.38.4×80.42×0.7515.4×0.71

一、口算。

0.1×4＝6×0.8＝0.01×10＝87.3÷100＝

0.018×10＝0.4×0.9＝0.9×50＝1.5×0.5＝

0.9×2＝9×0.7＝0.04×100＝4.16÷10＝

0.365×1000＝50×0.09＝0.2×0.6＝0.6×0.02＝

二、列竖式计算。

0.14×0.66.5×24.7×0.730.5×2.98

0.75×0.21.1×0.93×0.34.4×1.64

120×0.086.8×0.410.54×0.622.8×83.8

0.65×0.060.88×8.30.39×56.96×0.78

一、口算。

0.9×6＝9×0.2＝0.007×1000＝0.442÷10＝

0.684×10＝70×0.9＝0.7×500＝0.01×6＝

0.7×9＝3×0.5＝0.6×100＝0.511÷100＝

80×100＝30×0.6＝0.04×20＝0.06×8＝

二、列竖式计算。

0.35×0.030.95×9.48.7×0.714.2×7.39

4.8×0.47.5×7.60.65×0.260.92×16.3

360×0.062×37.7×6.50.69×2.07

0.91×0.65.8×0.310.1×0.843.7×0.58

一、口算。

0.2×3＝4×0.3＝0.3×100＝0.255÷1000＝

5.54×10＝0.5×0.7＝0.02×0.09＝1.1×60＝

0.5×3＝9×0.2＝0.05×100＝0.021÷100＝

0.751×10＝90×0.07＝0.009×7＝0.1×800＝

二、列竖式计算。

0.84×0.20.23×0.870.64×4.85.7×1.21

0.91×0.30.76×2.60.11×7.28.5×25.9

980×0.095.4×1.30.32×0.60.77×1.09

6.1×0.040.66×0.740.83×2.16.4×0.53

一、口算。

0.2×5＝9×0.3＝0.1×10＝68.6÷10＝

54.8×1000＝60×0.2＝0.007×400＝1.6×0.9＝

0.1×3＝6×0.6＝0.003×100＝0.571÷10＝

61.7×10＝0.01×0.07＝0.004×5＝0.6×0.7＝

二、列竖式计算。

0.53×0.030.76×0.716.9×2.70.6×25.5

2.2×0.096.7×48.2×0.797.1×87.6

85×0.062.4×4.95.5×0.20.25×62.7

7.5×0.090.57×20.33×0.641.13×7.8

一、口算。

0.7×3＝7×0.4＝0.4×10＝58.7÷10＝

8.64×100＝30×0.03＝0.002×3＝0.2×50＝

0.3×3＝8×0.3＝0.2×1000＝88.7÷1000＝

0.257×100＝0.3×0.8＝0.07×0.3＝0.04×6＝

二、列竖式计算。

3.6×0.070.82×9.50.15×1.11.7×22

0.64×0.20.27×0.730.4×8.90.75×77.4

150×0.080.21×1.30.71×0.178.5×4.67

8.4×0.80.88×0.560.33×0.491.78×0.26

一、口算。

0.6×9＝3×0.7＝0.09×1000＝8.7÷1000＝

54×1000＝40×0.6＝0.7×3＝1.1×8＝

0.4×5＝7×0.2＝0.5×1000＝39÷10＝

14.9×100＝20×0.3＝0.5×900＝0.5×60＝

二、列竖式计算。

0.74×0.066×0.893.6×0.612.8×28.5

0.92×0.020.79×7.55.8×4.65.7×4.38

2.9×0.030.62×5.80.8×3.70.84×6.59

0.16×0.057.8×8.39.1×0.1383.5×0.32

一、口算。

0.3×8＝2×0.2＝0.4×100＝9.43÷1000＝

0.086×1000＝0.09×0.9＝0.05×60＝0.15×0.8＝

0.5×3＝4×0.6＝0.02×100＝0.322÷100＝

5.92×10＝0.03×0.7＝0.2×0.6＝0.06×500＝

二、列竖式计算。

0.95×0.023.2×5.99.8×0.920.59×65.1

0.58×0.36.4×7.60.48×0.640.65×16.1

230×0.033.6×0.645.7×0.65.5×35.3

5.9×0.054.1×6.60.81×0.816.92×3.1

一、口算。

0.8×5＝2×0.5＝0.08×10＝2.35÷1000＝

9.55×10＝80×0.04＝0.004×80＝1.4×8＝

0.2×6＝5×0.8＝0.5×100＝3.63÷1000＝

0.674×100＝0.1×0.02＝0.04×9＝0.4×7＝

二、列竖式计算。

9.3×0.78.2×0.423.3×1.97.3×2.44

7.6×0.90.31×0.980.4×0.786.1×21.8

44×0.046.8×0.160.94×2.74.6×7.15

8.7×0.60.91×0.513.1×2.698.7×7.6

一、口算。

0.2×4＝8×0.7＝0.005×100＝4.08÷1000＝

0.62×10＝80×0.5＝0.03×0.06＝0.05×0.02＝

0.1×3＝8×0.9＝0.3×10＝66.1÷100＝

20.5×100＝0.05×0.07＝0.3×0.07＝0.1×20＝

二、列竖式计算。

0.64×0.064.4×0.482×0.760.16×41.6

0.12×0.024.6×0.221.8×8.17.1×90.1

2.3×0.66.7×0.926.5×3.80.97×9.75

0.24×0.090.57×0.567.5×3.83.32×0.49

一、口算。

0.2×8＝2×0.9＝0.01×1000＝8.48÷10＝

31.9×10＝0.1×0.09＝0.5×3＝1.5×0.7＝

0.9×5＝8×0.7＝0.6×100＝8.61÷100＝

1.78×100＝7×0.3＝0.2×30＝0.5×2＝

二、列竖式计算。

9.9×0.50.81×0.93.8×0.445.4×69.5

0.33×0.064.3×0.248×0.930.27×59.6

540×0.080.43×0.376.6×0.660.76×52.6

8.1×0.050.14×4.80.67×0.159.21×0.99

一、口算。

0.5×4＝9×0.7＝0.4×10＝0.908÷100＝

5.29×10＝1×0.05＝0.005×900＝0.6×400＝

0.2×9＝9×0.8＝0.001×10＝7.77÷100＝

46.6×10＝8×0.6＝0.6×500＝0.7×50＝

二、列竖式计算。

7.9×0.040.62×5.34.9×7.57.9×2.67

0.68×0.69.5×0.460.12×0.214×16.8

5500×0.50.95×0.810.59×0.427.1×1.05

5.9×0.060.1×8.87.8×0.2233×0.26

一、口算。

0.5×3＝3×0.7＝0.005×1000＝32÷100＝

86.8×10＝60×0.8＝0.008×80＝1.4×300＝

0.9×9＝9×0.9＝0.09×1000＝0.851÷1000＝

0.617×100＝0.03×0.2＝0.08×300＝0.06×70＝

二、列竖式计算。

0.71×0.030.93×0.650.15×0.630.72×85.1

6.8×0.89×0.218.6×0.285.3×48.2

0.32×0.90.75×0.228.9×0.862.1×8.06

0.95×0.23.1×0.860.79×7.36.72×0.54

一、口算。

0.4×2＝2×0.7＝0.001×1000＝0.573÷10＝

0.307×1000＝40×0.05＝0.05×0.06＝0.16×300＝

0.7×6＝6×0.6＝0.2×1000＝80÷1000＝

6.1×10＝10×0.3＝0.5×0.6＝0.19×30＝

二、列竖式计算。

5.1×0.096×7.53.9×3.22.3×13.2

0.16×0.20.19×2.70.99×9.57.1×6.25

350×0.024.9×0.410.53×0.576.3×6.74

0.86×0.025×0.410.78×4.821.6×1.1

一、口算。

0.8×2＝6×0.4＝0.2×1000＝58.6÷100＝

51.2×10＝0.3×0.4＝0.005×20＝0.6×20＝

0.6×2＝6×0.6＝0.008×1000＝8.97÷10＝

5.91×1000＝4×0.5＝0.006×0.05＝2×0.09＝

二、列竖式计算。

3.7×0.080.92×0.536.8×0.540.38×2.1

0.75×0.62×1.20.46×35.2×37.7

0.69×0.057.4×0.318×0.867.5×7.25

5.3×0.060.41×0.436.5×0.9325.1×0.61

一、口算。

0.1×2＝9×0.7＝0.3×100＝0.35÷100＝

0.403×1000＝0.04×0.9＝0.5×20＝0.9×0.6＝

0.9×9＝4×0.4＝0.007×1000＝0.81÷1000＝

42.1×10＝40×0.09＝0.004×0.05＝0.5×900＝

二、列竖式计算。

0.49×0.23.5×0.310.71×8.77.2×79.2

9.9×0.080.47×0.963.3×1.34.6×35.8

2100×0.27×4.43.6×9.48.9×9.02

0.13×0.80.35×4.44×7.852.2×4.4

一、口算。

0.8×5＝8×0.2＝0.3×10＝6.41÷1000＝

0.943×10＝0.09×0.05＝0.8×7＝1.3×0.05＝

0.4×8＝6×0.4＝0.04×1000＝59.5÷100＝

0.017×10＝0.02×0.09＝0.06×5＝0.17×0.05＝

二、列竖式计算。

0.79×0.30.14×0.239.4×9.70.89×3.87

0.65×0.062×3.45×0.540.25×47.1

3700×0.020.53×8.12.5×0.811.5×9.09

3.3×0.098.3×4.62.8×4.314.2×5.2