北师大版四年级数学下册小数乘法综合练习题181.docx

北师大版四年级数学下册小数乘法综合练习题181.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181

一、口算。

0.3×8＝3×0.5＝0.5×10＝76.3÷10＝

50.6×1000＝0.08×0.06＝0.003×4＝0.09×40＝

0.3×7＝5×0.9＝0.04×10＝0.801÷1000＝

0.256×1000＝0.05×0.7＝0.8×0.7＝0.2×0.08＝

二、列竖式计算。

1.1×0.40.53×2.12.6×3.50.9×72.5

9.9×0.092.1×3.81.1×0.890.57×3.09

260×0.40.53×2.10.58×0.89.9×60.4

0.19×0.28×0.751.8×0.197.44×0.85

一、口算。

0.1×7＝7×0.4＝0.9×10＝0.87÷10＝

35.9×10＝0.02×0.7＝0.03×40＝1.5×0.9＝

0.9×6＝5×0.5＝0.05×10＝49÷10＝

4.9×100＝0.06×0.6＝0.2×0.09＝1.6×0.4＝

二、列竖式计算。

3.6×0.023.2×7.43.2×0.892.3×2.11

9.5×0.083.7×0.83.6×0.492.2×7.59

59×0.060.41×0.191.1×0.539.1×40.8

9.2×0.040.31×0.585.1×0.1176.8×5.9

一、口算。

0.6×7＝5×0.9＝0.1×100＝1.9÷10＝

0.21×1000＝40×0.8＝0.06×20＝0.1×200＝

0.1×5＝8×0.7＝0.5×10＝7.43÷100＝

17.1×100＝0.1×0.3＝0.8×0.02＝0.08×800＝

二、列竖式计算。

6.2×0.092.6×0.269.7×0.358.9×65.1

9.4×0.043.4×0.80.13×0.186.1×82

850×0.059.9×0.80.78×8.81.7×18.3

6.1×0.40.99×0.799.6×0.311.99×0.98

一、口算。

0.6×8＝5×0.4＝0.02×1000＝1.47÷100＝

0.393×10＝0.9×0.7＝0.09×2＝0.1×0.6＝

0.1×8＝5×0.2＝0.003×100＝98.1÷100＝

0.788×10＝0.2×0.03＝0.009×0.03＝1.4×0.09＝

二、列竖式计算。

0.25×0.60.72×5.79.4×6.60.62×1.77

0.48×0.060.72×9.49.1×0.390.17×31.3

39×0.090.59×4.60.37×2.29.4×7.43

0.98×0.080.71×5.39.4×0.545.61×2.1

一、口算。

0.5×6＝6×0.2＝0.004×10＝0.203÷1000＝

0.789×10＝20×0.2＝0.7×0.4＝2×0.09＝

0.4×9＝2×0.5＝0.008×1000＝8.29÷1000＝

18.5×1000＝0.1×0.9＝0.003×800＝1.8×3＝

二、列竖式计算。

0.93×0.060.28×2.20.6×9.98.9×7.45

4.4×0.040.44×5.10.84×8.60.25×19

16×0.63.6×3.25.8×8.20.89×90.4

4.2×0.40.46×0.310.31×1.391.9×4.6

一、口算。

0.2×5＝6×0.7＝0.05×1000＝53.9÷10＝

88.9×100＝0.07×0.7＝0.004×90＝2×3＝

0.5×8＝7×0.5＝0.04×10＝0.03÷1000＝

0.406×10＝8×0.04＝0.008×700＝0.05×0.7＝

二、列竖式计算。

8.2×0.030.61×0.540.54×3.58.6×52.7

0.76×0.90.78×2.64.3×0.240.57×74.8

0.26×0.045.9×0.625.8×1.50.97×87.5

9.8×0.70.72×0.440.96×4.72.7×0.82

一、口算。

0.7×5＝3×0.6＝0.7×1000＝24.6÷1000＝

23.4×1000＝90×0.02＝0.05×80＝1.3×8＝

0.1×8＝7×0.3＝0.3×100＝5.3÷1000＝

0.714×10＝0.8×0.4＝0.9×7＝0.07×40＝

二、列竖式计算。

0.94×0.083.6×2.34.6×0.980.54×1.57

4.6×0.20.1×6.10.49×9.30.59×68.7

49×0.038.4×4.65.1×5.65.2×52.7

0.25×0.53.2×1.40.21×0.4713.7×4.2

一、口算。

0.5×4＝2×0.4＝0.05×100＝2.35÷1000＝

2.42×100＝90×0.3＝0.6×400＝0.9×0.03＝

0.9×6＝7×0.2＝0.008×10＝2.94÷100＝

0.275×10＝60×0.7＝0.007×5＝1.1×0.3＝

二、列竖式计算。

0.62×0.80.14×6.16.2×3.84.4×22.8

9.5×0.92.4×3.95.1×3.30.17×63.2

6.1×0.027.5×0.764.1×77.9×9.07

4.2×0.46.8×0.50.7×0.287.91×0.78

一、口算。

0.3×6＝2×0.5＝0.02×10＝0.932÷100＝

0.644×100＝1×0.5＝0.05×0.07＝0.9×0.02＝

0.4×6＝8×0.6＝0.02×100＝1.55÷100＝

3.57×100＝80×0.3＝0.004×0.8＝1.7×400＝

二、列竖式计算。

2.5×0.093.8×0.461.7×1.40.26×2.76

0.82×0.070.58×0.360.99×3.48.6×4.89

59×0.050.38×7.40.94×0.487.8×77.5

1.5×0.50.95×0.550.63×2.58.99×0.57

一、口算。

0.8×3＝2×0.4＝0.8×100＝0.631÷1000＝

7.55×1000＝80×0.05＝0.8×0.09＝0.11×700＝

0.9×9＝8×0.4＝0.8×1000＝20.8÷1000＝

4.02×100＝0.7×0.07＝0.4×900＝1.8×60＝

二、列竖式计算。

0.96×0.080.51×7.40.32×0.60.51×7.02

0.77×0.065.2×6.70.18×0.350.63×17

24×0.78.4×0.836.5×10.82×56.3

1.2×0.083.6×6.60.68×0.2392×6.3

一、口算。

0.1×6＝5×0.8＝0.05×100＝0.708÷10＝

0.916×10＝9×0.06＝0.03×900＝0.1×0.7＝

0.6×6＝4×0.3＝0.002×1000＝79.7÷1000＝

0.799×100＝8×0.7＝0.8×30＝2×0.9＝

二、列竖式计算。

0.24×0.96.2×7.27.7×0.738.7×3.09

0.98×0.020.68×0.841.6×0.580.96×5.95

6600×0.90.67×5.50.38×4.79.2×81.1

9.2×0.50.19×1.79.9×0.3790.1×1.4

一、口算。

0.7×4＝8×0.5＝0.004×1000＝1.09÷1000＝

0.958×1000＝70×0.07＝0.009×0.8＝0.11×4＝

0.2×6＝9×0.9＝0.4×1000＝2.76÷10＝

0.831×100＝0.06×0.5＝0.004×30＝0.7×30＝

二、列竖式计算。

2.1×0.054.1×0.910.64×0.593×9.7

2.8×0.70.35×5.75.6×0.660.3×6.38

310×0.054.2×6.90.82×9.97