北师大版四年级数学下册小数乘法综合练习题3.docx

北师大版四年级数学下册小数乘法综合练习题3.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3

一、口算。

0.5×2＝5×0.9＝0.9×10＝0.462÷1000＝

72.1×10＝10×0.04＝0.002×0.03＝0.19×7＝

0.3×2＝6×0.3＝0.05×1000＝72.2÷100＝

20×1000＝0.02×0.09＝0.09×70＝0.08×900＝

二、列竖式计算。

8.6×0.30.53×4.50.56×6.91×56.9

0.33×0.29.9×6.40.58×0.720.46×2.26

91×0.87.2×0.682.3×1.80.72×12.6

0.66×0.024.6×0.73×571.4×0.99

一、口算。

0.8×9＝9×0.5＝0.8×10＝59.1÷10＝

22.4×100＝1×0.08＝0.005×0.08＝1.4×20＝

0.3×4＝9×0.6＝0.004×1000＝8.39÷1000＝

1.26×1000＝0.9×0.06＝0.002×0.09＝1.3×9＝

二、列竖式计算。

9.7×0.40.17×0.164×0.335.3×3.28

0.58×0.42.9×0.460.14×0.574.8×4.19

9.7×0.059×9.17.3×3.96.7×55.9

8.1×0.20.19×0.660.69×0.947×4.1

一、口算。

0.5×3＝5×0.3＝0.007×100＝13.6÷10＝

68.1×1000＝0.5×0.9＝0.003×0.04＝0.9×4＝

0.7×3＝9×0.9＝0.2×10＝3.59÷1000＝

0.7×100＝0.07×0.8＝0.003×70＝0.4×0.4＝

二、列竖式计算。

0.13×0.074.7×0.670.41×0.850.32×95.5

5.9×0.71.9×80.34×0.210.3×19.3

85×0.073.4×8.20.89×0.990.25×3.63

6.4×0.094.9×0.772.5×0.486.24×6.7

一、口算。

0.6×2＝4×0.6＝0.001×100＝4.5÷100＝

0.228×1000＝0.06×0.09＝0.06×8＝1.3×0.4＝

0.8×7＝8×0.5＝0.2×100＝3.13÷1000＝

23.9×100＝0.7×0.06＝0.007×9＝0.11×9＝

二、列竖式计算。

0.44×0.048.1×0.77.4×0.451.5×4.51

9.6×0.50.79×0.880.43×5.90.76×2.5

2600×0.90.64×6.20.88×0.160.84×81.6

0.27×0.50.8×3.60.72×0.1362.5×0.19

一、口算。

0.5×5＝6×0.9＝0.001×100＝74.9÷1000＝

0.978×1000＝0.1×0.05＝0.4×90＝1.2×6＝

0.1×7＝7×0.4＝0.02×10＝0.33÷10＝

0.699×100＝4×0.9＝0.09×600＝0.17×20＝

二、列竖式计算。

0.51×0.60.44×0.390.48×0.820.57×9.69

4.7×0.80.95×0.430.53×6.57.8×8.24

61×0.023.1×5.80.44×0.468.8×1.81

0.16×0.077.4×6.70.96×0.8351.8×0.67

一、口算。

0.1×3＝8×0.8＝0.8×100＝11.7÷10＝

0.44×10＝1×0.04＝0.2×0.4＝0.02×0.06＝

0.8×5＝3×0.5＝0.08×10＝0.311÷1000＝

0.742×1000＝4×0.08＝0.07×0.7＝0.13×0.9＝

二、列竖式计算。

7.2×0.030.73×0.40.3×5.97.2×48.9

1.4×0.093.6×7.54.4×0.360.65×4.61

0.64×0.60.31×0.560.21×3.87×8.82

0.63×0.50.65×0.215.9×42.86×0.16

一、口算。

0.6×7＝8×0.6＝0.006×1000＝0.893÷10＝

6.69×1000＝2×0.08＝0.09×0.07＝2×0.6＝

0.1×9＝9×0.4＝0.002×1000＝0.047÷10＝

98.5×1000＝20×0.9＝0.01×30＝0.01×0.09＝

二、列竖式计算。

1.2×0.39.2×0.455.8×0.60.2×2.47

0.96×0.40.79×0.936.1×4.63.4×8.13

130×0.040.77×0.630.41×0.110.71×41.1

5.3×0.070.61×0.780.61×0.835.58×4

一、口算。

0.7×4＝2×0.4＝0.9×1000＝2.92÷1000＝

23.3×100＝0.8×0.06＝0.007×400＝0.07×7＝

0.3×3＝8×0.3＝0.006×1000＝3.99÷100＝

0.908×100＝0.6×0.03＝0.07×0.7＝2×0.06＝

二、列竖式计算。

7.8×0.20.8×80.56×0.731.1×25.2

4.8×0.27.1×5.51.7×0.76.1×19.4

8.8×0.040.31×5.10.25×72.2×55.9

0.11×0.030.78×0.648.4×8.82.62×8.9

一、口算。

0.9×9＝4×0.7＝0.6×10＝75.8÷10＝

7.91×100＝0.04×0.03＝0.2×0.4＝0.16×6＝

0.1×3＝9×0.6＝0.2×1000＝43.3÷1000＝

2.7×100＝7×0.3＝0.006×0.9＝0.14×0.9＝

二、列竖式计算。

7.5×0.84.3×0.948.1×0.67.5×79.7

0.13×0.030.31×7.11.2×0.880.82×3.11

0.57×0.51.5×2.80.63×0.881.4×3.03

8.3×0.032×0.50.21×5.784.9×3.4

一、口算。

0.2×8＝4×0.6＝0.8×10＝1.13÷1000＝

91.3×1000＝0.08×0.9＝0.05×90＝0.13×3＝

0.7×6＝3×0.8＝0.2×100＝99.2÷1000＝

0.194×10＝40×0.09＝0.9×8＝1.5×400＝

二、列竖式计算。

2.1×0.070.19×0.251.8×0.660.35×7.18

6.2×0.067.8×0.590.49×0.830.65×5.93

140×0.75.6×0.868.3×59×7.13

0.13×0.60.21×5.30.19×0.1488.7×0.29

一、口算。

0.7×2＝3×0.4＝0.6×10＝6.89÷100＝

0.947×100＝0.9×0.6＝0.004×0.04＝1.6×200＝

0.3×5＝9×0.2＝0.01×10＝0.442÷10＝

0.351×10＝0.06×0.08＝0.001×0.07＝1.7×60＝

二、列竖式计算。

0.19×0.90.73×3.61.5×7.80.85×4.2

4.7×0.43.9×3.30.31×0.515.7×41.4

140×0.086.6×7.22.1×8.25.1×35

0.89×0.30.32×2.30.16×0.8768.2×8.9

一、口算。

0.2×5＝6×0.5＝0.09×1000＝32.1÷1000＝

59.3×1000＝2×0.8＝0.1×0.05＝0.12×200＝

0.3×5＝6×0.9＝0.08×1000＝0.199÷10＝

0.666×100＝0.02×0.08＝0.006×50＝0.1×0.05＝

二、列竖式计算。

0.11×0.68.2×6.79.6×0.341.8×5.46

6.8×0.074.5×4.61.4×1.95×8.4

34×0.70.49×6.12×0.6