北师大版四年级数学下册小数乘法综合练习题37.docx

北师大版四年级数学下册小数乘法综合练习题37.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37

一、口算。

0.4×3＝4×0.3＝0.03×10＝1.71÷10＝

0.757×1000＝0.08×0.7＝0.001×40＝0.1×9＝

0.3×7＝4×0.8＝0.08×100＝65.4÷10＝

1×100＝0.9×0.8＝0.08×20＝1.2×0.05＝

二、列竖式计算。

4.4×0.026.4×0.777.7×4.80.84×9.55

0.35×0.92.4×50.27×0.194.5×60.9

72×0.90.11×5.80.72×0.890.97×5.15

0.79×0.88.1×0.197.2×0.258.4×1.2

一、口算。

0.6×5＝3×0.5＝0.09×1000＝3.98÷1000＝

6.12×10＝0.8×0.6＝0.001×0.4＝0.15×0.08＝

0.9×3＝5×0.3＝0.009×10＝86.3÷100＝

0.292×100＝0.05×0.08＝0.04×20＝0.06×0.5＝

二、列竖式计算。

6.5×0.41.5×6.10.55×3.90.97×1.51

0.96×0.20.57×1.44.9×0.670.51×93.2

690×0.049.2×0.830.71×1.60.65×9.01

6.3×0.080.61×0.419.8×8.932.9×0.81

一、口算。

0.5×9＝7×0.2＝0.5×1000＝88.9÷100＝

29.6×100＝0.4×0.02＝0.07×200＝0.15×0.6＝

0.2×7＝5×0.5＝0.01×100＝56.3÷1000＝

0.058×100＝50×0.4＝0.8×900＝0.1×0.8＝

二、列竖式计算。

0.65×0.50.75×0.80.58×0.160.88×9.71

7.1×0.42.9×58.6×1.90.18×98.9

6.8×0.090.27×0.680.38×0.550.68×5.88

5.8×0.40.97×0.880.48×9.613×0.71

一、口算。

0.7×9＝8×0.2＝0.006×100＝93÷10＝

87.7×100＝0.3×0.08＝0.08×20＝1.4×0.08＝

0.6×2＝3×0.8＝0.06×100＝0.11÷100＝

0.647×1000＝3×0.6＝0.08×0.04＝0.18×9＝

二、列竖式计算。

3.2×0.083.4×9.37.6×9.60.32×3.45

6.4×0.91.6×4.46.2×3.30.87×26.9

2.9×0.41.4×0.344.4×5.10.14×3.11

5.5×0.46.8×1.86.1×3.883.1×0.39

一、口算。

0.6×5＝5×0.2＝0.2×1000＝0.202÷10＝

22.3×10＝0.02×0.05＝0.3×40＝0.17×0.5＝

0.6×2＝8×0.5＝0.5×10＝0.636÷100＝

31.2×100＝10×0.5＝0.8×80＝0.1×90＝

二、列竖式计算。

1.5×0.080.77×0.150.8×8.20.49×50.7

1.3×0.70.21×6.90.1×1.50.56×34.6

57×0.056.3×0.484.7×12.3×24.4

0.21×0.70.47×9.20.81×6.439.2×5.6

一、口算。

0.4×2＝2×0.2＝0.02×100＝0.142÷1000＝

0.56×100＝80×0.03＝0.9×0.02＝0.6×0.7＝

0.9×4＝2×0.2＝0.8×1000＝0.288÷1000＝

0.941×10＝60×0.08＝0.003×6＝0.3×90＝

二、列竖式计算。

9.3×0.40.6×0.333.7×0.192.2×9.07

1.8×0.030.36×60.25×7.93.6×5.32

530×0.32.9×0.780.59×7.40.45×3.23

7.1×0.023.9×0.220.64×6.982.7×5.8

一、口算。

0.1×8＝4×0.6＝0.2×1000＝9.39÷1000＝

6.21×1000＝0.09×0.3＝0.06×3＝0.3×0.4＝

0.3×5＝8×0.2＝0.02×100＝8.06÷100＝

0.262×10＝80×0.05＝0.08×800＝0.1×0.02＝

二、列竖式计算。

5.4×0.030.26×2.20.56×9.87.6×90.5

0.26×0.090.28×3.40.34×9.89.2×1.43

4.7×0.073.3×7.70.44×2.90.25×56.1

7.1×0.061.2×10.93×496.9×9.9

一、口算。

0.8×6＝5×0.3＝0.02×10＝97.6÷10＝

6.66×1000＝0.5×0.07＝0.001×700＝0.07×0.6＝

0.1×2＝2×0.7＝0.1×100＝13.7÷10＝

2.47×10＝60×0.09＝0.004×90＝0.11×3＝

二、列竖式计算。

0.83×0.92.4×5.39.2×7.83×9.07

9.7×0.040.37×0.27.6×0.310.17×3.56

460×0.70.36×0.910.56×9.70.78×4.94

0.37×0.054×0.49.4×0.136.26×0.47

一、口算。

0.7×6＝7×0.6＝0.5×10＝2.05÷1000＝

0.979×10＝0.6×0.03＝0.05×300＝0.5×0.09＝

0.2×7＝7×0.2＝0.006×1000＝1.73÷1000＝

0.98×100＝0.6×0.9＝0.05×200＝0.03×0.4＝

二、列竖式计算。

2.8×0.96.8×0.92.5×10.6×7.91

6.5×0.79.1×1.60.16×0.360.58×55.2

1300×0.30.31×0.516.2×3.70.27×34.8

0.82×0.022.3×7.10.28×3.481.1×7.2

一、口算。

0.7×6＝3×0.3＝0.3×1000＝76.9÷100＝

2.63×1000＝0.03×0.07＝0.2×7＝0.9×0.8＝

0.8×8＝7×0.5＝0.3×100＝0.296÷1000＝

0.913×1000＝0.06×0.5＝0.01×500＝0.01×0.7＝

二、列竖式计算。

0.65×0.43.9×0.159.9×0.912.4×4.65

0.25×0.021.6×0.890.74×6.77.6×32.8

1900×0.040.99×7.22.3×2.19.5×52.7

0.77×0.95.7×1.60.43×7.323.9×4.1

一、口算。

0.4×4＝9×0.8＝0.2×10＝95.1÷100＝

18.7×100＝5×0.9＝0.002×60＝0.01×0.05＝

0.7×4＝2×0.4＝0.07×100＝46.6÷1000＝

20.8×100＝10×0.08＝0.01×700＝0.15×0.03＝

二、列竖式计算。

0.44×0.40.45×4.77.1×3.18.8×1.06

0.97×0.91.4×25.6×2.90.5×4.58

1200×0.060.45×0.786.3×0.680.81×45.7

6.7×0.63.2×4.40.11×4.729×0.45

一、口算。

0.5×9＝8×0.4＝0.04×10＝5.33÷100＝

8.11×1000＝70×0.08＝0.02×40＝0.14×800＝

0.6×5＝9×0.3＝0.2×100＝8.3÷1000＝

1.72×100＝7×0.05＝0.4×70＝0.01×5＝

二、列竖式计算。

0.36×0.060.44×0.551.1×9.63.7×85.3

0.17×0.040.37×0.470.81×3.30.12×76.5

1.3×0.065.8×1.69.7×0.459.8×2.69

9.6×0.086.1×0.930.82×0.238.64×5.5

一、口算。

0.9×6＝5×0.2＝0.004×10＝6.54÷1000＝

31.5×100＝10×0.2＝0.003×80＝0.1×0.4＝

0.1×2＝6×0.7＝0.004×100＝53.2÷100＝

43.1×1000＝2×0.08＝0.2×400＝0.02×0.02＝

二、列竖式计算。

0.47×0.040.17×0.889.7×9.70.34×4.07

8.3×0.024.5×0.20.56×0.830.32×2.72

84×0.70.16×0.510.42×1.90.31×2.69

4.1×0.030.9×0.515.3×8.897.2×4.5

一、口算。

0.5×9＝5×0.5＝0.05×100＝0.874÷100＝

15.7×100＝60×0.08＝0.007×80＝0.5×800＝

0.4×5＝5×0.5＝0.4×10＝8.03÷1000＝

10.4×100＝0.4×0.05＝0.4×70＝0.6×40＝

二、列竖式计算。

3.2×0.70.65×0.633.2×1.75.4×73.5

9.6×0.93.2×7.74.6×0.621.9×83.8

86×0.066.5×0.250.36×4.30.94×6.17

0.68×0.082.3×6.15.3×4.58.58×4

一、口算。

0.7×3＝3×0.2＝0.004×1000＝0.686÷10＝

0.28×1000＝0.07×0.05＝0.07×0.2＝0.15×80＝

0.2×3＝3×0.7＝0.3×100＝9.84÷100＝

4.29×1000＝0.03×0.9＝0.3×0.07＝1.7×0.6＝

二、列竖式计算。

0.85×0.26.5×0.290.61×0.683.9×7.48

0.21×0.98.1×4.60.24×4.94.4×78.9

0.43×0.070.83×0.480.55×0.146.4×76.7

7.3×0.50.36×0.97.6×0.2938.7×8.4

一、口算。

0.9×8＝3×0.6＝0.4×100＝41.1÷1000＝

0.434×10＝0.2×0.5＝0.07×0.6＝1.2×0.3＝

0.2×8＝9×0.2＝0.009×1000＝71÷10＝

97×100＝80×0.05＝0.5×0.3＝1.9×0.08＝

二、列竖式计算。

3.3×0.60.98×0.160.15×0.670.53×2.44

5.8×0.099×3.91×30.19×47.7

71×0.087.4×0.460.8×0.845.6×52.3

0.56×0.059.7×0.832.9×2.158.6×5.6

一、口算。

0.7×7＝5×0.4＝0.009×10＝9.09÷100＝

7.4×10＝40×0.06＝0.006×2＝0.12×6＝

0.4×7＝4×0.8＝0.03×100＝0.464÷100＝

8.5×10＝0.5×0.02＝0.05×700＝0.7×0.2＝

二、列竖式计算。

0.44×0.40.46×0.164.3×3.80.79×46.9

5.4×0.46.4×0.478.2×0.710.2×57.8

74×0.90.21×0.780.1×6.76.5×19.4

0.58×0.30.74×5.40.88×0.7340.9×2.3

一、口算。

0.2×2＝2×0.5＝0.1×100＝8.3÷100＝

4.53×10＝5×0.3＝0.002×80＝1×90＝

0.4×9＝7×0.7＝0.007×1000＝0.82÷10＝

0.989×100＝0.7×0.6＝0.04×0.7＝0.09×300＝

二、列竖式计算。

3.8×0.050.82×0.340.41×0.298.2×82.3

4.5×0.28.8×0.783.5×2.57.2×32

67×0.080.36×0.490.1×0.562.6×5.17

0.16×0.067.3×50.41×4.788.4×0.82

一、口算。

0.9×7＝3×0.6＝0.009×10＝6.38÷100＝

0.127×10＝0.9×0.09＝0.5×80＝0.19×80＝

0.7×3＝3×0.3＝0.7×1000＝41÷100＝

7.58×10＝60×0.09＝0.6×600＝0.9×60＝

二、列竖式计算。

7.6×0.034.2×50.2×0.157.9×1.29

0.39×0.37.8×0.171.8×3.40.51×7.31

340×0.60.28×0.480.26×9.19.5×5.1

7.7×0.80.63×8.22.6×0.3969.6×3.9

一、口算。

0.2×6＝2×0.4＝0.3×1000＝48.2÷100＝

8.07×1000＝0.5×0.04＝0.9×40＝0.7×9＝

0.5×9＝8×0.5＝0.09×1000＝5.43÷1000＝

1.43×1000＝5×0.09＝0.009×800＝0.17×400＝

二、列竖式计算。

0.45×0.020.46×6.74.1×0.290.53×9.51

2.6×0.063.5×0.60.26×0.331.3×6.47

9300×0.049.5×4.60.87×0.440.43×25.5

9.7×0.069.1×6.56.6×0.855.79×0.76