北师大版四年级数学下册小数乘法综合练习题166.docx

北师大版四年级数学下册小数乘法综合练习题166.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166

一、口算。

0.3×6＝8×0.2＝0.008×10＝18.9÷10＝

0.69×100＝0.3×0.6＝0.02×9＝0.5×0.8＝

0.1×8＝8×0.5＝0.08×10＝0.591÷1000＝

0.766×1000＝0.4×0.4＝0.8×9＝1.4×20＝

二、列竖式计算。

1.9×0.090.63×0.40.38×0.960.82×2.64

0.25×0.050.6×0.541.1×3.57.7×3.72

730×0.070.62×6.23.4×0.577.1×43.4

7.2×0.70.98×5.95.6×0.544.82×4

一、口算。

0.3×8＝5×0.5＝0.4×1000＝6.3÷100＝

41.5×100＝0.1×0.9＝0.06×0.05＝1.9×40＝

0.7×5＝6×0.2＝0.06×10＝41.5÷1000＝

0.409×100＝0.6×0.7＝0.5×0.3＝0.3×50＝

二、列竖式计算。

7.5×0.093.4×4.50.3×0.383.6×55.5

0.79×0.096.6×0.448.1×0.770.25×2.74

740×0.60.65×0.229.9×0.191.9×50.7

8.9×0.044×3.10.64×7.91.75×0.38

一、口算。

0.6×3＝6×0.2＝0.7×1000＝2.35÷1000＝

0.334×10＝0.02×0.08＝0.8×0.9＝0.02×80＝

0.6×7＝8×0.2＝0.06×1000＝24.5÷100＝

2.36×10＝9×0.05＝0.003×50＝1.5×30＝

二、列竖式计算。

0.73×0.30.39×5.20.2×1.30.32×8.43

0.52×0.082.3×0.545.8×0.290.43×1.21

2.4×0.71.5×5.33.1×0.697.8×76.8

0.37×0.65.7×5.86.2×0.423.56×0.43

一、口算。

0.1×5＝9×0.4＝0.02×10＝0.36÷100＝

2.79×100＝5×0.7＝0.6×0.5＝1×0.2＝

0.9×2＝4×0.9＝0.4×1000＝5.46÷10＝

0.881×10＝7×0.04＝0.09×900＝0.11×400＝

二、列竖式计算。

6.7×0.070.46×3.10.46×2.86.8×7.39

1.2×0.37.1×3.68.1×0.964.2×2.2

140×0.21.9×8.72.3×0.790.55×91.9

0.71×0.72.7×0.580.34×4.27.58×5.8

一、口算。

0.1×9＝3×0.7＝0.007×1000＝0.265÷1000＝

6.7×1000＝50×0.5＝0.006×600＝0.4×0.5＝

0.9×2＝6×0.3＝0.03×100＝41.3÷10＝

0.133×10＝20×0.05＝0.08×0.02＝0.15×50＝

二、列竖式计算。

0.28×0.76.5×8.79.4×0.310.98×20.9

2.7×0.92.1×0.630.11×0.814.9×1.41

0.73×0.050.46×0.690.92×0.910.96×1.86

0.76×0.87.5×8.40.54×0.66.71×0.19

一、口算。

0.8×3＝2×0.6＝0.005×100＝4.26÷100＝

0.516×1000＝0.02×0.4＝0.05×0.6＝0.1×5＝

0.6×5＝9×0.9＝0.09×1000＝72.6÷100＝

72.1×1000＝0.8×0.09＝0.06×4＝1.9×2＝

二、列竖式计算。

0.84×0.27.4×3.50.69×4.14.1×40.6

7.8×0.44.3×30.81×5.80.14×6.2

38×0.30.73×0.580.83×0.526.5×34.5

0.86×0.060.38×0.43.6×246.7×0.18

一、口算。

0.3×8＝6×0.8＝0.01×100＝3.13÷100＝

0.032×100＝0.3×0.8＝0.7×0.04＝0.13×2＝

0.3×6＝9×0.6＝0.009×100＝0.421÷1000＝

5.48×100＝7×0.05＝0.01×30＝0.7×2＝

二、列竖式计算。

0.45×0.84.2×0.732.3×8.72.5×6.91

0.35×0.080.71×1.12.6×70.85×9.41

0.74×0.20.88×0.728.4×4.10.19×19.7

2.8×0.070.31×0.370.3×7.796.5×0.67

一、口算。

0.8×3＝4×0.4＝0.04×1000＝5.79÷10＝

0.055×100＝0.6×0.8＝0.04×900＝0.03×50＝

0.4×9＝8×0.4＝0.8×1000＝0.319÷100＝

8.27×100＝8×0.3＝0.05×9＝0.8×900＝

二、列竖式计算。

0.84×0.80.41×50.94×0.777.9×4.47

2.6×0.96.8×0.32.1×0.430.14×82

0.94×0.069.4×0.742.8×7.50.35×95.7

0.46×0.089×7.21.2×0.327.84×9.6

一、口算。

0.1×4＝3×0.2＝0.08×100＝3.79÷100＝

10.7×10＝8×0.8＝0.007×500＝0.13×0.8＝

0.8×8＝4×0.4＝0.5×10＝0.111÷10＝

0.934×10＝50×0.05＝0.09×5＝1.3×30＝

二、列竖式计算。

0.18×0.040.71×0.880.86×0.180.71×93.2

4.7×0.38.4×9.10.67×5.18.7×9.12

350×0.40.41×7.28.6×0.190.71×6.73

1.7×0.64×0.80.18×7.52.76×1.9

一、口算。

0.9×8＝7×0.7＝0.1×10＝33÷1000＝

2.03×1000＝0.5×0.5＝0.08×0.08＝1.2×0.07＝

0.3×2＝4×0.6＝0.1×1000＝3.34÷10＝

8.31×10＝2×0.04＝0.007×0.7＝0.9×2＝

二、列竖式计算。

0.97×0.090.86×8.99.7×3.49.4×81.1

1.8×0.070.78×5.30.13×0.50.25×68.4

0.18×0.060.89×7.68×0.62.6×62.7

3.7×0.053.9×7.80.67×0.699.53×0.5

一、口算。

0.4×3＝7×0.7＝0.9×10＝25.8÷100＝

77.6×10＝0.8×0.05＝0.05×9＝0.18×90＝

0.6×3＝3×0.3＝0.3×10＝0.659÷100＝

6.73×10＝5×0.9＝0.3×7＝0.2×0.2＝

二、列竖式计算。

3.2×0.80.32×9.33.8×0.350.48×9.03

3.6×0.55.7×1.22.5×3.90.31×4.37

86×0.050.67×0.495.6×4.78.3×6.1

0.43×0.099.3×7.90.3×0.419.54×0.86

一、口算。

0.7×4＝3×0.8＝0.01×100＝7.77÷1000＝

25.5×10＝50×0.2＝0.04×6＝0.3×0.09＝

0.4×9＝8×0.3＝0.003×100＝0.221÷10＝

0.978×100＝0.1×0.07＝0.8×0.3＝0.14×30＝

二、列竖式计算。

7.1×0.60.72×0.157.3×5.35.5×65.2

0.18×0.073×8.70.83×7.60.93×76.7

0.59×0.30.86×70.98×0.734.4×4.51

1.5×0.072×1.42.5×0.76.68×7.8

一、口算。

0.8×7＝4×0.4＝0.01×1000＝61.9÷10＝

0.676×100＝30×0.06＝0.09×70＝0.03×4＝

0.6×7＝6×0.5＝0.01×1000＝6.44÷100＝

1.34×100＝0.9×0.05＝0.1×0.6＝0.13×200＝

二、列竖式计算。

7.8×0.080.48×0.460.95×4.40.1×9.12

3.2×0.079.4×0.526.2×1.40.29×84.6

9.3×0.38.5×0.50.72×3.97.6×7.91

3.7×0.021.2×8.90.69×0.3831.7×0.33

一、口算。

0.1×7＝9×0.8＝0.05×10＝29.1÷10＝

86.2×100＝8×0.9＝0.5×0.05＝1×2＝

0.2×5＝6×0.7＝0.001×100＝0.061÷1000＝

0.403×10＝2×0.8＝0.1×3＝1×30＝

二、列竖式计算。

6.4×0.026×6.69.8×14.7×8.52

4.4×0.98.6×2.32.2×4.60.73×32

0.33×0.090.7×5.70.26×5.44.1×35.8

2.3×0.73.9×1.91.8×5.38.89×0.13

一、口算。

0.1×2＝7×0.6＝0.04×10＝8.86÷10＝

0.824×10＝4×0.02＝0.005×40＝1.5×20＝

0.6×5＝3×0.4＝0.2×100＝0.56÷10＝

35.6×100＝9×0.3＝0.006×0.4＝1.3×40＝

二、列竖式计算。

1.8×0.020.77×0.352.8×6.10.15×6.86

0.17×0.082.1×4.30.35×7.30.68×29.8

1.4×0.60.1×0.492.4×3.28.9×49.6

3.5×0.026.7×0.910.53×2.929.2×6.5

一、口算。

0.6×3＝2×0.9＝0.02×10＝0.435÷10＝

64.2×100＝30×0.4＝0.09×20＝0.15×0.7＝

0.5×9＝4×0.6＝0.8×1000＝6.61÷1000＝

1.65×1000＝8×0.08＝0.006×0.02＝0.08×9＝

二、列竖式计算。

0.84×0.038.6×0.210.96×0.378.6×86.2

0.72×0.70.88×0.275.1×7.60.52×41.7

5.8×0.030.97×1.80.14×0.190.54×3.69

8.1×0.073.3×1.90.6×9.19.43×0.87

一、口算。

0.9×7＝4×0.5＝0.3×10＝4.32÷1000＝

7.43×10＝2×0.03＝0.002×300＝0.05×700＝

0.5×9＝3×0.8＝0.09×1000＝0.344÷10＝

2.59×100＝0.08×0.02＝0.9×9＝0.1×9＝

二、列竖式计算。

1.6×0.70.13×2.80.27×0.146.4×5.36

2.5×0.060.16×1.10.95×6.12.6×2.45

920×0.39.2×0.980.83×60.49×63.7

3.7×0.040.9×1.87.8×7.677.7×0.59

一、口算。

0.7×3＝6×0.6＝0.01×10＝0.487÷10＝

0.797×100＝0.1×0.5＝0.006×7＝0.17×0.5＝

0.1×3＝5×0.7＝0.005×1000＝5.29÷1000＝

1.15×10＝30×0.5＝0.08×0.3＝0.03×0.2＝

二、列竖式计算。

1.3×0.30.8×0.320.54×0.40.18×3.43

4.4×0.040.1×4.80.12×4.49×55.1

39×0.034.1×0.417.7×1.70.94×27.5

1.1×0.60.51×58.7×0.6720.5×4.7

一、口算。

0.6×3＝2×0.5＝0.09×100＝0.521÷1000＝

0.339×100＝3×0.09＝0.3×500＝1.5×50＝

0.7×4＝8×0.4＝0.6×10＝8.65÷10＝

4.86×1000＝10×0.09＝0.4×20＝1×3＝

二、列竖式计算。

3.1×0.55.9×0.954.4×81.6×3.77

7.2×0.042.2×0.234.2×0.879.7×68.9

620×0.30.11×0.23.1×0.610.58×88

7.3×0.080.62×0.530.76×0.518.46×0.27

一、口算。

0.3×5＝3×0.6＝0.003×10＝0.885÷100＝

0.606×1000＝8×0.02＝0.006×2＝0.3×0.7＝

0.3×7＝3×0.6＝0.9×100＝86÷100＝

0.472×100＝0.07×0.05＝0.005×2＝0.16×0.09＝

二、列竖式计算。

0.63×0.48.8×3.19.1×4.20.53×51.6

2.4×0.83.6×4.30.3×5.85.5×9.65

0.84×0.87.8×87.2×6.10.63×8.32

0.58×0.31.2×0.170.18×1.557.4×0.15