北师大版四年级数学下册小数乘法专项练习题41.docx

北师大版四年级数学下册小数乘法专项练习题41.docx

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北师大版四年级数学下册小数乘法专项练习题41

4.8×0.034×8.18.7×30.13×2.06

三、计算。

0.89×7.6＋0.060.39＋31×0.50.98＋0.56＋6.02

6.5×0.97＋6.5×0.035×67×0.2

8.2×0.9＋4.2×0.36300－0.42－1.58

一、口算。

0.1×7＝6×0.5＝0.008×1000＝57.2÷10＝

2.13×1000＝0.2×0.05＝0.8×0.5＝1.5×0.03＝

二、列竖式计算。

0.61×0.40.26×0.140.91×46.6×3.19

0.91×0.040.99×0.960.57×0.660.87×8.46

三、计算。

0.78×52＋0.072.4＋42×90.96＋5.2＋2.04

0.43×9＋0.43×10.25×87×0.08

5.6×0.5＋1.7×0.28300－1.8－88.2

一、口算。

0.4×2＝2×0.6＝0.2×100＝95.2÷10＝

34.6×1000＝0.07×0.04＝0.01×0.03＝1.2×0.8＝

二、列竖式计算。

0.94×0.050.85×0.153.7×6.80.67×72.1

0.51×0.42.7×0.388.8×0.390.43×6.71

三、计算。

71×0.42＋0.113.4＋0.47×90.23＋0.43＋3.77

0.45×14＋0.45×860.25×7.1×0.02

7.7×0.7＋4.8×0.41300－1.4－38.6

一、口算。

0.4×4＝8×0.2＝0.005×100＝3.44÷100＝

3.95×1000＝0.05×0.7＝0.09×0.2＝1.4×80＝

二、列竖式计算。

0.59×0.040.62×7.29.5×1.15.4×7.88

0.94×0.90.61×6.40.58×0.450.43×9.53

三、计算。

23×0.71＋10.51＋0.36×0.55.8＋0.22＋14.2

3×23＋3×770.5×0.54×0.02

8×0.6＋4.1×0.58800－5.6－34.4

一、口算。

0.9×9＝2×0.5＝0.9×1000＝40.1÷100＝

0.719×100＝0.04×0.07＝0.003×0.03＝2×0.05＝

二、列竖式计算。

3.3×0.060.69×9.29.6×0.843.8×6.78

0.47×0.098.2×2.93.4×0.490.22×37.3

三、计算。

57×6.5＋0.65.4＋1.3×0.43.3＋2.4＋86.7

1.3×34＋1.3×6625×7×0.04

9×0.6＋3.3×0.26500－4.3－15.7

一、口算。

0.9×6＝8×0.7＝0.001×100＝0.767÷100＝

5.85×1000＝8×0.8＝0.05×20＝1.7×0.5＝

二、列竖式计算。

1.7×0.020.97×0.815.1×0.380.98×9.9

0.18×0.60.46×9.86.4×2.13.4×67.1

三、计算。

2.4×0.07＋0.94＋31×41.1＋8.1＋38.9

6.2×0.69＋6.2×0.315×22×0.8

9.4×0.6－4.5×0.43200－9.3－70.7

一、口算。

0.7×9＝8×0.4＝0.001×10＝0.963÷100＝

4.19×1000＝6×0.02＝0.008×800＝0.2×9＝

二、列竖式计算。

5.8×0.40.7×0.840.12×0.220.53×57.1

0.92×0.037.4×8.20.21×0.519.2×9.07

三、计算。

0.73×0.73＋0.74.3＋54×0.56＋5＋4

0.29×0.42＋0.29×0.581.25×20×0.8

0.69×0.06＋0.49×0.02360－0.37－5.63

一、口算。

0.3×8＝7×0.9＝0.09×100＝0.961÷100＝

0.681×10＝0.06×0.8＝0.05×200＝0.06×6＝

二、列竖式计算。

9.9×0.080.84×0.344.2×7.26.5×6.89

9.8×0.040.96×3.40.79×0.29.6×47.5

三、计算。

9.5×7.6＋0.58＋8.5×76.5＋0.41＋33.5

0.69×0.73＋0.69×0.275×0.03×0.02

0.91×0.06＋0.31×0.03640－6.7－23.3

一、口算。

0.1×3＝5×0.9＝0.03×1000＝50.4÷100＝

6.79×100＝7×0.7＝0.08×0.05＝1.4×0.4＝

二、列竖式计算。

7.9×0.037.6×6.34.8×2.59.5×30.2

6.5×0.95.1×6.80.11×0.330.65×6.56

三、计算。

7.5×0.89＋0.110.65＋9×39.7＋0.65＋50.3

5.4×33＋5.4×670.5×0.52×8

0.78×0.09－0.18×0.05350－0.8－8.2

一、口算。

0.4×8＝3×0.7＝0.09×1000＝45÷100＝

0.956×100＝7×0.06＝0.2×70＝0.4×900＝

二、列竖式计算。

0.63×0.061.2×0.41×0.717.7×9.61

7.5×0.079.4×8.80.96×0.530.94×2.29

三、计算。

1.1×0.73＋18＋3.9×75＋0.37＋25

0.25×6.2＋0.25×3.8125×1.8×0.04

8.7×0.8－3.7×0.39200－0.56－8.44

一、口算。

0.2×5＝7×0.5＝0.003×1000＝6.6÷10＝

0.224×100＝0.09×0.2＝0.06×6＝0.11×0.3＝

二、列竖式计算。

0.44×0.25.9×0.211.3×5.83.5×97.1

0.44×0.080.16×4.90.44×3.93.9×6.01

三、计算。

13×3＋1.20.16＋21×0.75.2＋9.3＋4.8

4.7×0.19＋4.7×0.8112.5×4.4×8

8.3×0.9－3.8×0.3580－0.25－6.75

一、口算。

0.3×8＝8×0.2＝0.2×10＝0.842÷1000＝

9.06×1000＝9×0.9＝0.06×0.6＝0.02×40＝

二、列竖式计算。

6.3×0.70.7×0.673.1×6.72.3×90.1

0.54×0.81.8×80.79×1.90.66×7.1

三、计算。

7.2×7.1＋0.53.9＋9.5×0.40.61＋0.51＋2.39

0.73×7.5＋0.73×2.5125×58×0.02

6.7×0.5＋4.3×0.4250－0.3－2.7

一、口算。

0.6×6＝8×0.2＝0.009×10＝0.973÷1000＝

2.3×1000＝0.7×0.9＝0.008×0.4＝0.4×0.06＝

二、列竖式计算。

0.16×0.44×0.470.44×0.570.53×88.4

7.7×0.54.5×0.719.5×66.1×3.9

三、计算。

9.2×28＋0.062.9＋6×40.73＋4.7＋5.27

4.7×0.37＋4.7×0.635×0.62×0.02

7.8×0.7－3×0.5760－8.1－51.9

一、口算。

0.1×4＝9×0.8＝0.005×1000＝32.6÷100＝

0.498×10＝10×0.9＝0.005×0.6＝0.1×0.8＝

二、列竖式计算。

8.4×0.023.5×0.266×1.53.4×34.6

0.64×0.62.2×0.774.3×1.98.2×8.22

三、计算。

6.7×8.5＋0.050.29＋83×0.79.4＋1.2＋50.6

9.8×0.79＋9.8×0.210.05×0.33×0.04

0.77×0.05＋0.26×0.044300－0.54－9.46

一、口算。

0.4×3＝3×0.8＝0.001×100＝0.28÷1000＝

6.84×1000＝2×0.5＝0.05×70＝2×600＝

二、列竖式计算。

5.8×0.55.2×5.72.7×0.33.4×8.9

8.8×0.80.72×7.60.85×0.898.7×38.8

三、计算。

0.22×58＋0.110.5＋9.3×60.22＋0.15＋4.78

5.5×59＋5.5×410.25×0.95×0.2

7.9×0.8＋4.9×0.59000－5－75

一、口算。

0.2×7＝4×0.9＝0.009×10＝5.45÷1000＝

0.814×100＝10×0.07＝0.006×70＝0.08×3＝

二、列竖式计算。

0.14×0.20.12×6.91.1×3.50.99×46

2.9×0.56×0.630.83×0.959.6×1.15

三、计算。

9.9×0.85＋0.52＋39×30.14＋0.73＋7.86

0.78×7.6＋0.78×2.40.05×5.6×0.08

0.57×0.07－0.41×0.05720－3.5－46.5

一、口算。

0.9×7＝3×0.8＝0.7×100＝0.133÷1000＝

96.1×10＝4×0.07＝0.009×0.7＝1.6×70＝

二、列竖式计算。

3.6×0.040.64×0.590.53×0.790.26×89.6

0.51×0.095.8×3.20.19×0.213.5×83

三、计算。

64×55＋0.90.59＋0.17×60.48＋4.2＋3.52

3.2×20＋3.2×802.5×0.49×0.4

0.85×0.07＋0.2×0.03910－0.91－1.09

一、口算。

0.6×3＝5×0.4＝0.004×1000＝3.81÷100＝

8.61×100＝10×0.4＝0.03×0.7＝0.6×30＝

二、列竖式计算。

1.5×0.60.98×60.8×0.644.9×87.5

0.63×0.44.9×3.50.95×20.72×2.45

三、计算。

6.5×3.2＋1.10.43＋37×43.1＋0.76＋56.9

0.23×0.89＋0.23×0.110.25×7.5×0.4

7.2×0.8－1.4×0.5640－3.8－86.2

一、口算。

0.7×7＝6×0.7＝0.004×1000＝0.752÷100＝

1.02×1000＝80×0.6＝0.05×200＝0.09×80＝

二、列竖式计算。

0.78×0.90.21×0.40.68×0.448.3×4.82

6.1×0.50.48×0.120.72×4.51.8×7.75

三、计算。

0.94×36＋0.10.3＋25×76.8＋0.66＋53.2

7.1×3.3＋7.1×6.70.05×0.71×8

0.83×0.05－0.14×0.05540－6.9－13.1

一、口算。

0.8×7＝9×0.8＝0.04×1000＝5.42÷1000＝

54.6×1000＝9×0.6＝0.003×0.2＝1.2×50＝

二、列竖式计算。

0.26×0.70.97×6.50.31×0.167×9.65

0.16×0.25.8×90.69×0.915.4×33.4

三、计算。

0.63×0.24＋0.113.2＋4.1×30.16＋1.8＋8.84

0.81×52＋0.81×480.05×0.51×0.04

0.98×0.08－0.2×0.02670－4.7－45.3