北师大版四年级数学下册小数乘法综合练习题162.docx

北师大版四年级数学下册小数乘法综合练习题162.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162

一、口算。

0.1×3＝8×0.9＝0.3×100＝4.68÷100＝

0.748×10＝0.7×0.09＝0.8×0.6＝0.17×700＝

0.5×3＝7×0.8＝0.6×10＝0.792÷100＝

0.094×1000＝0.6×0.2＝0.06×0.4＝0.14×200＝

二、列竖式计算。

0.66×0.060.8×0.760.88×2.53.3×1.6

2.3×0.30.93×5.90.16×0.530.98×4.79

9500×0.050.62×7.20.22×5.43.3×82.3

0.91×0.73.7×7.84.5×0.43.73×0.98

一、口算。

0.8×4＝5×0.3＝0.08×10＝0.363÷10＝

0.769×1000＝6×0.8＝0.08×8＝0.2×80＝

0.7×3＝2×0.7＝0.007×100＝0.53÷100＝

0.148×10＝0.3×0.08＝0.01×40＝1.4×0.07＝

二、列竖式计算。

0.27×0.080.23×9.70.12×9.30.56×36.6

0.99×0.043.1×0.770.53×0.951.2×5.77

5.2×0.053.3×6.67×0.265×7.43

0.19×0.41.8×38.6×0.134.96×1.5

一、口算。

0.3×6＝6×0.9＝0.1×1000＝0.775÷10＝

4.8×100＝2×0.8＝0.005×0.07＝0.01×900＝

0.9×8＝9×0.6＝0.5×100＝7.05÷100＝

0.576×1000＝0.2×0.07＝0.008×900＝1.7×0.2＝

二、列竖式计算。

7.1×0.85.6×4.98×6.23.6×4.2

1.7×0.041.9×4.60.5×7.24.4×1.48

4.6×0.40.22×0.668.5×7.68.8×10.7

1.4×0.47.8×0.853.3×6.542.7×1.4

一、口算。

0.4×3＝7×0.6＝0.04×1000＝9.1÷1000＝

0.564×100＝4×0.5＝0.5×0.04＝1.1×9＝

0.7×7＝8×0.7＝0.05×10＝8.99÷100＝

0.533×1000＝20×0.06＝0.006×7＝0.11×500＝

二、列竖式计算。

0.19×0.60.22×7.60.47×0.220.47×93.2

5.7×0.097.2×0.53.2×3.80.38×6.03

1.7×0.060.82×7.90.93×0.930.88×8.12

0.46×0.20.5×9.77.8×3.86.4×0.26

一、口算。

0.5×3＝2×0.8＝0.005×10＝52.9÷10＝

0.235×100＝0.4×0.07＝0.006×0.8＝0.4×0.07＝

0.1×9＝3×0.9＝0.3×100＝4.27÷10＝

31.5×100＝80×0.02＝0.003×0.06＝0.9×200＝

二、列竖式计算。

0.45×0.50.84×5.75×0.860.83×71.5

0.47×0.77.2×0.594.7×0.194.3×7.2

480×0.30.96×0.90.59×1.20.39×8.58

0.27×0.80.27×6.11.7×6.27.95×6

一、口算。

0.9×9＝2×0.4＝0.06×100＝8.5÷10＝

8.67×1000＝0.9×0.7＝0.1×4＝0.14×0.08＝

0.5×2＝8×0.6＝0.003×1000＝0.488÷100＝

8×1000＝80×0.07＝0.03×8＝0.02×0.06＝

二、列竖式计算。

0.38×0.099.9×0.140.32×4.75.7×14.1

8.9×0.45.9×8.67×9.25.1×36.7

2.2×0.61.3×4.21.1×0.181.1×16.6

6.8×0.030.21×0.880.58×7.89.49×5.9

一、口算。

0.5×3＝9×0.5＝0.004×10＝4.24÷1000＝

9.33×100＝0.02×0.02＝0.4×400＝0.1×0.6＝

0.2×8＝8×0.7＝0.001×1000＝60.4÷100＝

51.2×10＝4×0.4＝0.002×90＝0.03×60＝

二、列竖式计算。

7.1×0.20.52×0.447×0.150.47×5.92

2.4×0.080.7×3.71.2×5.56.9×2.17

2100×0.50.48×0.547.5×0.949.4×7.81

0.99×0.080.14×0.466.4×0.9438.8×0.94

一、口算。

0.4×2＝6×0.5＝0.5×1000＝1.82÷100＝

83.9×100＝0.6×0.04＝0.5×600＝0.2×2＝

0.2×3＝7×0.4＝0.03×100＝75.3÷10＝

17.2×1000＝0.06×0.05＝0.009×60＝0.02×0.03＝

二、列竖式计算。

8.4×0.053.4×6.83.9×0.720.79×2.89

0.61×0.020.11×0.730.58×2.70.54×43.5

0.32×0.70.3×0.75.8×0.360.14×8.59

9.1×0.80.88×9.24.5×7.84.49×1.3

一、口算。

0.5×7＝8×0.5＝0.006×1000＝2.4÷1000＝

7.38×100＝0.9×0.7＝0.9×200＝1.6×0.03＝

0.3×4＝8×0.7＝0.5×10＝0.015÷100＝

4.2×1000＝6×0.07＝0.1×4＝1.8×3＝

二、列竖式计算。

2.7×0.096.5×0.90.64×0.721.9×3.48

9.2×0.070.54×4.40.93×1.13.9×8.28

840×0.91.9×0.120.67×0.739.9×93.4

4.1×0.064.9×9.60.6×0.819.7×8.8

一、口算。

0.2×7＝5×0.4＝0.001×1000＝9.85÷10＝

5.04×100＝0.09×0.9＝0.01×40＝0.8×6＝

0.1×3＝8×0.4＝0.001×10＝19.4÷10＝

4.4×10＝4×0.9＝0.002×40＝1.9×20＝

二、列竖式计算。

5.7×0.026.9×4.60.25×0.320.86×80

8.9×0.80.91×7.50.13×0.430.73×20

8400×0.97×0.426.6×50.53×8.14

0.47×0.90.23×0.862.9×0.3962.8×0.82

一、口算。

0.1×4＝9×0.6＝0.1×100＝14.8÷1000＝

2.28×1000＝0.07×0.7＝0.002×0.05＝1×0.04＝

0.4×9＝9×0.5＝0.007×10＝2.85÷100＝

96.7×100＝0.9×0.04＝0.007×0.7＝0.16×500＝

二、列竖式计算。

5.3×0.060.31×0.734×2.73.5×4.03

6.8×0.90.29×0.387.8×4.60.24×13.9

89×0.090.3×0.630.57×8.20.26×4.98

9.1×0.043.5×38.6×2.468.7×0.94

一、口算。

0.2×7＝4×0.5＝0.9×1000＝0.666÷10＝

0.523×10＝8×0.07＝0.009×4＝0.18×0.7＝

0.5×9＝7×0.6＝0.001×1000＝0.452÷10＝

0.672×100＝0.08×0.3＝0.9×0.6＝0.1×600＝

二、列竖式计算。

0.86×0.050.85×0.840.65×9.10.16×8.65

2.3×0.34.6×2.80.62×0.996.4×43.4

0.55×0.080.51×0.859.5×8.53.1×4.31

8.8×0.88.7×2.23.6×1.315.9×0.31

一、口算。

0.6×7＝8×0.9＝0.6×10＝0.67÷10＝

0.486×1000＝60×0.07＝0.8×0.03＝0.1×300＝

0.9×2＝3×0.9＝0.005×10＝0.381÷10＝

0.357×1000＝0.1×0.03＝0.01×0.03＝0.19×0.07＝

二、列竖式计算。

0.68×0.70.62×9.80.92×0.550.97×9.85

6.8×0.57.7×0.560.64×2.60.62×64.3

0.47×0.70.39×80.48×2.30.44×3.45

0.66×0.40.15×1.89.1×0.77.47×0.93

一、口算。

0.3×9＝5×0.4＝0.008×10＝7.3÷100＝

88.7×1000＝7×0.09＝0.7×6＝0.12×0.8＝

0.2×2＝4×0.7＝0.005×1000＝2.9÷10＝

7.96×10＝0.04×0.02＝0.07×0.7＝1.4×8＝

二、列竖式计算。

4.3×0.029.8×0.881.8×1.96.3×12.6

5.9×0.093.3×0.655.9×9.10.43×41.6

830×0.30.36×0.470.23×3.32.5×44.4

7.1×0.052.3×0.545.4×0.5263.5×0.2

一、口算。

0.2×3＝2×0.6＝0.9×10＝0.622÷1000＝

7.95×10＝5×0.09＝0.003×0.5＝0.9×6＝

0.4×3＝9×0.6＝0.005×100＝67.9÷10＝

0.914×1000＝0.02×0.2＝0.008×0.6＝0.6×9＝

二、列竖式计算。

8.5×0.074.7×0.81.7×0.450.53×24.5

0.72×0.073.4×54.7×35.9×89.5

4500×0.40.92×0.669.1×0.854.7×43.7

0.28×0.63×0.694.6×7.352.8×0.99

一、口算。

0.5×7＝2×0.6＝0.002×10＝0.355÷100＝

3.95×100＝40×0.9＝0.008×0.5＝0.02×0.03＝

0.9×5＝5×0.3＝0.003×100＝5÷1000＝

0.62×10＝70×0.9＝0.06×300＝0.18×60＝

二、列竖式计算。

0.96×0.61.8×2.70.26×0.150.57×42.5

5.1×0.40.84×6.50.75×0.317.7×4.23

2.5×0.078.5×4.60.88×9.36×15.2

7.8×0.60.39×0.730.41×0.7543.6×1.7

一、口算。

0.9×5＝7×0.8＝0.01×1000＝0.363÷1000＝

0.61×100＝5×0.06＝0.9×0.4＝0.02×2＝

0.3×2＝4×0.7＝0.1×100＝71.6÷100＝

0.945×1000＝0.04×0.06＝0.08×0.3＝0.3×0.7＝

二、列竖式计算。

7.7×0.040.45×0.567.9×0.946.6×5.75

3.5×0.70.71×0.80.66×0.860.48×5.66

630×0.35.8×0.430.78×0.667.4×18.5

0.32×0.020.19×2.20.56×8.34.08×0.45

一、口算。

0.2×9＝4×0.2＝0.08×100＝5.7÷1000＝

31×1000＝70×0.05＝0.2×300＝1.3×200＝

0.7×9＝2×0.8＝0.7×1000＝22.2÷1000＝

6.56×100＝0.03×0.03＝0.9×800＝1.2×0.4＝

二、列竖式计算。

0.27×0.030.4×9.90.9×6.10.69×5.9

0.15×0.094.8×4.64×0.216.5×6.31

49×0.060.53×0.425×0.219.5×18.1

2.8×0.055.5×0.727.2×3.18.27×0.26

一、口算。

0.4×5＝2×0.7＝0.003×1000＝0.202÷10＝

24×1000＝0.02×0.06＝0.9×0.8＝1.4×9＝

0.6×4＝4×0.3＝0.01×10＝8.67÷100＝

98.5×1000＝0.08×0.9＝0.09×800＝0.15×0.02＝

二、列竖式计算。

0.79×0.080.79×21.9×0.61.4×9.2

0.92×0.067.6×0.30.95×6.97.9×28.9

310×0.35.1×0.650.8×7.57.6×55

7.2×0.67.1×1.80.62×8.36.22×4.8

一、口算。

0.5×6＝5×0.5＝0.001×1000＝30.2÷1000＝

6.64×100＝0.4×0.09＝0.001×0.2＝0.04×0.03＝

0.3×5＝9×0.4＝0.3×10＝7.04÷1000＝

7.71×100＝0.04×0.02＝0.7×0.04＝0.16×900＝

二、列竖式计算。

0.49×0.035.1×7.13.6×0.596.8×2.16

0.45×0.090.71×5.50.64×8.37.9×18.4

7900×0.028.4×10.18×3.10.19×92.3

0.62×0.55×60.44×7.362.4×1