北师大版四年级数学下册小数乘法综合练习题61.docx

北师大版四年级数学下册小数乘法综合练习题61.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61

一、口算。

0.6×9＝7×0.7＝0.01×100＝4.06÷100＝

0.194×100＝7×0.5＝0.02×900＝0.6×200＝

0.3×9＝8×0.2＝0.05×1000＝40.6÷100＝

0.062×100＝0.05×0.5＝0.002×70＝0.12×800＝

二、列竖式计算。

0.94×0.41.2×0.173.4×0.464.3×68.6

9.5×0.020.4×5.95.9×0.510.26×3.27

31×0.070.81×8.61.3×7.10.57×85.4

0.38×0.040.55×0.414.1×1.755.7×1.4

一、口算。

0.3×7＝8×0.7＝0.5×10＝0.947÷1000＝

4.66×10＝0.08×0.9＝0.02×6＝0.9×0.6＝

0.9×2＝3×0.4＝0.6×100＝75.8÷100＝

9.17×100＝0.2×0.8＝0.07×700＝0.3×0.6＝

二、列竖式计算。

0.26×0.040.45×0.267.7×0.50.92×71.6

0.76×0.22.1×0.180.15×0.470.48×7.11

940×0.097.9×0.470.32×0.350.81×2.72

0.28×0.030.68×0.310.54×0.6694×0.95

一、口算。

0.2×3＝7×0.5＝0.7×1000＝84.5÷100＝

97.4×10＝0.09×0.02＝0.05×0.5＝0.2×0.2＝

0.9×4＝3×0.8＝0.006×1000＝0.059÷100＝

0.674×100＝10×0.09＝0.1×0.6＝0.09×0.07＝

二、列竖式计算。

0.81×0.70.95×0.892.5×4.50.69×25.8

0.91×0.035.3×0.770.35×9.20.99×9.69

2.7×0.040.34×4.69.5×4.30.45×6.31

0.44×0.73.8×5.40.68×0.11.95×0.93

一、口算。

0.9×5＝6×0.5＝0.1×10＝8.37÷100＝

5.37×100＝0.9×0.04＝0.08×80＝0.14×7＝

0.1×2＝7×0.4＝0.09×1000＝0.061÷100＝

1.07×1000＝0.1×0.02＝0.03×60＝0.7×0.06＝

二、列竖式计算。

3.1×0.053.5×0.590.67×9.50.36×8.91

0.81×0.40.18×8.20.54×8.10.57×88.6

960×0.30.98×0.750.97×0.894.5×1.23

9.9×0.30.11×0.310.26×0.41.73×2

一、口算。

0.8×6＝4×0.4＝0.006×100＝7.88÷10＝

3.57×100＝0.5×0.03＝0.5×80＝0.2×6＝

0.6×5＝8×0.4＝0.005×10＝64.8÷1000＝

0.29×1000＝9×0.09＝0.03×0.8＝1.7×0.03＝

二、列竖式计算。

7.2×0.30.49×0.48.7×2.20.91×7.36

6.1×0.88.3×5.30.56×8.22×2.46

82×0.30.32×7.60.56×60.16×4.37

2.4×0.090.64×7.19.2×6.93.16×0.38

一、口算。

0.6×7＝6×0.2＝0.3×100＝80.7÷100＝

0.46×10＝10×0.07＝0.001×4＝0.04×0.09＝

0.1×6＝8×0.3＝0.3×100＝39.2÷100＝

8.29×1000＝60×0.07＝0.004×300＝0.07×7＝

二、列竖式计算。

5.2×0.069×2.19.1×3.72.4×54.9

3.8×0.081.8×0.860.97×9.10.27×53.8

240×0.87.9×0.220.58×0.430.74×8.51

0.84×0.40.41×0.40.26×0.613.12×0.12

一、口算。

0.8×7＝3×0.7＝0.01×1000＝4.94÷1000＝

0.084×1000＝0.07×0.9＝0.7×20＝1.2×0.7＝

0.7×5＝8×0.6＝0.009×100＝64.8÷10＝

0.52×1000＝60×0.6＝0.8×9＝0.13×20＝

二、列竖式计算。

3.8×0.070.18×0.373.8×0.422.8×7.16

0.55×0.060.85×0.391.7×2.60.82×4.49

460×0.044.9×10.8×80.32×57.2

0.26×0.058.3×5.59.9×1.53.88×2

一、口算。

0.6×7＝5×0.5＝0.05×1000＝3.72÷100＝

0.817×10＝6×0.7＝0.9×400＝0.02×0.8＝

0.2×5＝3×0.7＝0.002×100＝64.7÷100＝

7.54×10＝0.08×0.09＝0.9×0.02＝1.7×800＝

二、列竖式计算。

8.3×0.070.31×30.17×4.30.2×16.6

0.82×0.060.35×90.43×0.80.54×43.6

0.57×0.093.1×70.69×2.27.3×7.22

0.11×0.60.55×5.28.6×4.881.6×5.2

一、口算。

0.4×3＝4×0.6＝0.8×1000＝18.9÷1000＝

0.691×1000＝0.9×0.6＝0.006×0.08＝1.4×8＝

0.3×3＝2×0.6＝0.02×10＝2.8÷1000＝

0.092×100＝6×0.07＝0.002×5＝0.04×8＝

二、列竖式计算。

0.36×0.031.3×0.353.1×0.570.84×2.24

0.66×0.32.1×0.50.31×1.36.9×8.94

880×0.90.95×0.769×1.98.4×8.14

7.7×0.069.1×90.41×9.610.9×6.8

一、口算。

0.8×3＝9×0.4＝0.8×1000＝0.913÷10＝

0.781×100＝0.8×0.4＝0.6×80＝1.7×8＝

0.2×3＝5×0.4＝0.002×10＝0.825÷100＝

8.4×1000＝0.7×0.04＝0.006×0.05＝0.05×90＝

二、列竖式计算。

0.11×0.040.16×0.570.96×70.28×78

6.6×0.93×4.70.41×0.352.9×16.2

0.65×0.39.8×5.30.72×0.30.96×30.6

0.23×0.27×7.10.74×165×5.6

一、口算。

0.1×8＝6×0.7＝0.006×10＝0.663÷1000＝

5.56×1000＝8×0.05＝0.001×0.06＝1.5×70＝

0.6×2＝6×0.9＝0.01×10＝0.144÷10＝

7.46×1000＝80×0.3＝0.007×0.7＝0.4×0.5＝

二、列竖式计算。

0.69×0.049.7×0.784.7×0.290.51×4.79

0.39×0.055.9×0.467.4×2.21.6×7.71

1500×0.050.54×0.829.5×1.70.66×1.92

0.38×0.050.67×3.20.85×2.22.3×4.5

一、口算。

0.5×3＝6×0.5＝0.006×10＝73.5÷1000＝

0.542×1000＝60×0.09＝0.007×800＝0.8×0.04＝

0.4×3＝4×0.7＝0.002×10＝14.9÷100＝

8.14×10＝70×0.6＝0.03×0.03＝1.9×70＝

二、列竖式计算。

0.18×0.46.4×7.20.28×0.120.31×17

0.69×0.060.19×6.20.81×0.858.4×6.41

810×0.080.46×0.120.81×7.70.74×15.7

0.58×0.040.49×0.130.97×0.2726.9×0.81

一、口算。

0.9×2＝4×0.9＝0.02×100＝0.386÷1000＝

8.27×10＝0.4×0.4＝0.002×0.06＝0.02×0.9＝

0.3×8＝2×0.6＝0.05×10＝7.28÷100＝

30.1×100＝20×0.06＝0.02×40＝0.9×9＝

二、列竖式计算。

0.94×0.80.11×0.140.23×0.830.22×7.61

8.7×0.70.65×0.57.5×0.890.89×59.5

8.4×0.030.31×3.84.4×0.770.8×7.77

1.9×0.20.46×5.73.1×9.575×0.56

一、口算。

0.6×8＝6×0.7＝0.03×10＝3.47÷10＝

0.411×10＝70×0.05＝0.001×30＝0.17×6＝

0.8×4＝5×0.3＝0.7×1000＝7.39÷100＝

0.931×100＝8×0.09＝0.2×6＝0.5×40＝

二、列竖式计算。

0.12×0.066.2×6.32.9×4.63.9×48.4

0.78×0.020.14×0.641.4×0.837.8×6.08

36×0.030.69×0.245.5×3.32.1×59.2

0.34×0.099.2×4.10.32×3.91.72×0.91

一、口算。

0.8×8＝6×0.2＝0.04×100＝0.731÷10＝

0.169×1000＝20×0.4＝0.3×700＝1.4×40＝

0.2×7＝2×0.7＝0.008×100＝7.4÷1000＝

1.4×10＝0.5×0.7＝0.002×50＝0.8×2＝

二、列竖式计算。

8.5×0.070.65×0.59×0.820.57×23.7

0.79×0.070.16×90.84×9.10.71×35.1

9.4×0.90.71×2.81.2×0.811.3×9.02

0.68×0.76.7×0.375.6×6.595.8×3

一、口算。

0.4×3＝5×0.8＝0.3×10＝4.01÷1000＝

59.5×100＝70×0.06＝0.9×0.9＝0.7×0.06＝

0.3×5＝7×0.8＝0.2×1000＝54.4÷10＝

80.3×1000＝5×0.2＝0.005×80＝0.2×0.4＝

二、列竖式计算。

9.2×0.070.64×50.27×0.691.2×4.33

7.4×0.043.9×7.60.42×5.50.62×2.09

7.1×0.80.88×7.74.1×0.179×5.22

0.57×0.86.7×0.979.3×9.373.4×0.59

一、口算。

0.5×3＝7×0.3＝0.08×1000＝61.7÷100＝

0.409×1000＝1×0.05＝0.002×20＝0.18×0.7＝

0.8×7＝3×0.9＝0.7×1000＝3.09÷100＝

5.49×100＝0.7×0.7＝0.003×30＝1.5×90＝

二、列竖式计算。

6.9×0.020.54×5.33.5×3.90.36×3.27

0.14×0.60.67×0.470.52×0.839.6×3.27

3400×0.040.81×0.96.9×0.360.7×9.04

3.5×0.040.95×0.973.8×0.882.31×2.3

一、口算。

0.6×2＝4×0.3＝0.06×10＝0.106÷10＝

0.577×100＝10×0.07＝0.005×0.03＝0.11×5＝

0.7×2＝7×0.9＝0.07×100＝1.51÷100＝

7.43×1000＝2×0.09＝0.2×20＝0.13×2＝

二、列竖式计算。

3.6×0.080.35×0.490.79×5.20.32×6.84

2.4×0.098.4×9.10.35×0.893.7×65.9

1.9×0.048.2×6.70.32×0.829.4×39.5

0.27×0.085.9×0.330.73×0.7393.8×0.83

一、口算。

0.6×7＝5×0.8＝0.03×100＝44÷1000＝

0.252×100＝0.3×0.8＝0.2×3＝0.6×0.5＝

0.7×3＝5×0.4＝0.1×100＝7.92÷1000＝

8.35×10＝0.09×0.08＝0.001×60＝0.7×900＝

二、列竖式计算。

2.5×0.45.9×9.90.88×0.69.4×6.09

8.4×0.80.18×0.529.9×0.320.54×1.5

7.7×0.054.3×1.41.8×4.45.8×6.96

6.9×0.062.7×1.75.5×5.85.63×0.96

一、口算。

0.5×6＝2×0.2＝0.004×100＝0.89÷100＝

5.75×10＝20×0.08＝0.1×0.2＝0.18×4＝

0.6×3＝3×0.6＝0.009×1000＝98÷100＝

7.28×10＝0.01×0.02＝0.008×0.8＝0.11×0.03＝

二、列竖式计算。

6.4×0.050.81×0.10.94×0.860.18×5.16

1.8×0.20.65×9.80.67×9.97×70.6

9.3×0.99.1×3.51.6×0.440.46×41.7

1.3×0.28.2×5.56.8×0.963.22×8.5