北师大版四年级数学下册小数乘法综合练习题6.docx

北师大版四年级数学下册小数乘法综合练习题6.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6

一、口算。

0.8×4＝4×0.6＝0.01×1000＝0.118÷1000＝

23.5×100＝9×0.2＝0.1×70＝0.05×0.3＝

0.7×8＝2×0.6＝0.05×10＝1.2÷1000＝

0.376×10＝0.09×0.2＝0.008×90＝1.6×0.07＝

二、列竖式计算。

0.94×0.90.85×0.680.5×0.340.73×21.1

0.49×0.28.4×0.311.4×0.190.21×76.5

160×0.052.9×0.30.16×9.20.4×3.56

0.66×0.80.43×3.80.34×1.65.19×0.27

一、口算。

0.5×4＝3×0.8＝0.2×100＝88.1÷100＝

73.8×10＝0.05×0.3＝0.003×300＝0.2×0.5＝

0.3×8＝6×0.5＝0.02×100＝5.08÷1000＝

0.82×10＝90×0.3＝0.04×400＝0.1×0.5＝

二、列竖式计算。

0.66×0.60.65×8.20.65×0.713×18.4

0.64×0.040.75×0.737.5×0.979.4×18.1

4200×0.079.7×0.138.8×0.698.1×5.28

0.76×0.046.2×2.50.72×0.166.07×0.58

一、口算。

0.3×5＝6×0.3＝0.006×100＝2.59÷10＝

9.13×1000＝10×0.06＝0.07×400＝0.19×2＝

0.7×7＝6×0.9＝0.09×10＝0.31÷1000＝

0.258×10＝0.9×0.08＝0.004×0.3＝0.1×500＝

二、列竖式计算。

7.8×0.41.5×0.620.85×5.80.96×39.4

0.35×0.24.9×6.80.93×6.92.2×10.7

0.42×0.030.71×0.490.27×0.867.2×7.91

5.9×0.042.7×0.37.1×6.157.1×8.5

一、口算。

0.1×7＝2×0.6＝0.7×100＝0.76÷100＝

0.488×10＝6×0.04＝0.07×0.05＝0.08×7＝

0.2×7＝4×0.6＝0.005×10＝95.3÷10＝

78.7×1000＝90×0.05＝0.2×30＝1.8×0.5＝

二、列竖式计算。

0.62×0.50.73×0.730.56×10.46×40.2

0.17×0.042.1×0.830.7×0.240.25×27.7

5800×0.088×3.70.37×0.770.71×36.8

0.39×0.31.4×3.40.48×95.04×0.61

一、口算。

0.5×8＝4×0.9＝0.009×10＝0.362÷100＝

5.02×100＝0.9×0.03＝0.06×0.6＝0.16×0.7＝

0.6×5＝7×0.6＝0.5×10＝42.5÷1000＝

40.6×100＝0.09×0.04＝0.04×20＝0.2×0.3＝

二、列竖式计算。

0.13×0.90.1×4.60.66×0.416.6×84.7

0.77×0.067.3×0.386.6×0.190.91×33.6

52×0.46.5×0.980.69×6.88.9×78.5

0.12×0.020.76×0.827.1×0.585.41×1.4

一、口算。

0.4×9＝8×0.5＝0.02×100＝2.34÷10＝

9.2×100＝8×0.06＝0.2×20＝0.06×9＝

0.2×8＝7×0.8＝0.01×1000＝1.1÷1000＝

31.7×10＝0.9×0.02＝0.2×0.2＝1.6×0.3＝

二、列竖式计算。

0.71×0.83.1×40.87×0.142.2×7.54

0.16×0.30.71×0.931.5×6.47.9×3.61

630×0.090.27×3.61.1×8.69.5×88.2

0.98×0.040.27×0.864.1×0.73.1×4.8

一、口算。

0.1×9＝6×0.8＝0.006×100＝5.66÷100＝

0.342×10＝2×0.8＝0.009×5＝1.6×0.8＝

0.4×4＝5×0.7＝0.001×10＝6.91÷10＝

9.4×10＝9×0.04＝0.05×8＝0.1×4＝

二、列竖式计算。

0.46×0.60.45×3.80.12×0.359.7×11.9

0.96×0.092.8×9.90.43×6.40.92×35.6

0.27×0.021.3×70.72×0.710.19×7.33

0.13×0.42.1×0.780.5×0.1373×1.5

一、口算。

0.4×7＝3×0.7＝0.007×1000＝8.22÷100＝

11.7×100＝70×0.06＝0.04×800＝0.1×9＝

0.9×7＝4×0.7＝0.08×1000＝26.1÷1000＝

87.1×100＝2×0.7＝0.9×50＝0.17×0.3＝

二、列竖式计算。

4.9×0.60.85×0.950.23×0.398.5×68

0.61×0.90.24×0.330.18×0.280.27×9.44

91×0.070.86×0.479×4.14×59.2

8.6×0.067.5×5.89.8×4.91.45×3.3

一、口算。

0.5×2＝4×0.5＝0.01×100＝14.4÷10＝

4.25×1000＝0.9×0.7＝0.01×700＝0.04×8＝

0.5×4＝9×0.3＝0.03×1000＝0.702÷1000＝

1.41×10＝0.07×0.8＝0.007×60＝0.16×0.09＝

二、列竖式计算。

0.12×0.020.26×0.30.93×0.890.98×90.5

0.86×0.80.89×4.58.8×9.70.4×5.68

670×0.056.3×0.995.9×2.57.2×7.19

0.46×0.040.57×8.97.6×0.153.42×5.4

一、口算。

0.7×3＝9×0.4＝0.007×1000＝4.5÷1000＝

0.782×100＝0.08×0.08＝0.008×7＝0.18×4＝

0.7×4＝4×0.3＝0.09×10＝76÷10＝

23.3×1000＝40×0.02＝0.9×5＝1.2×500＝

二、列竖式计算。

0.62×0.80.71×4.39.6×0.698.1×20.5

4.4×0.90.17×4.60.14×0.537.6×11

450×0.080.65×1.60.76×4.30.17×1.68

9.6×0.066×4.47.9×0.2463.4×6.1

一、口算。

0.9×2＝9×0.7＝0.3×10＝0.107÷1000＝

93.2×100＝0.3×0.9＝0.2×8＝2×0.09＝

0.5×4＝5×0.5＝0.3×1000＝0.273÷1000＝

2.19×10＝0.05×0.04＝0.002×0.9＝0.13×30＝

二、列竖式计算。

0.89×0.90.79×5.19.9×0.975.2×75.3

0.77×0.090.11×1.71.1×0.390.55×88.8

0.83×0.60.81×5.77.7×0.940.64×47.5

0.46×0.040.34×24.3×7.695.4×0.7

一、口算。

0.3×6＝5×0.9＝0.01×10＝0.487÷100＝

42.4×1000＝0.05×0.02＝0.5×0.05＝0.9×4＝

0.9×5＝3×0.9＝0.8×100＝7.61÷10＝

2.2×10＝0.05×0.4＝0.08×0.07＝0.13×20＝

二、列竖式计算。

0.79×0.088×0.450.57×6.10.97×72.3

6.3×0.40.82×0.210.44×0.688.4×95.1

4.2×0.029.2×0.831.7×4.70.41×78

0.39×0.040.76×0.926.5×1.647.5×5.5

一、口算。

0.2×8＝7×0.8＝0.03×10＝3.88÷10＝

8.21×100＝0.9×0.6＝0.009×0.06＝0.12×70＝

0.3×5＝2×0.6＝0.03×1000＝48.3÷10＝

9.12×1000＝0.4×0.8＝0.7×0.4＝0.14×8＝

二、列竖式计算。

6.1×0.78.9×8.21.6×1.62.4×3.23

8.5×0.60.4×6.31.7×0.54.8×29.9

4.9×0.52.6×0.440.92×2.64.1×9.89

4.7×0.080.55×52×7.348.4×0.22

一、口算。

0.5×4＝3×0.2＝0.007×10＝53.1÷100＝

35.2×10＝0.04×0.06＝0.02×0.08＝0.18×0.03＝

0.1×8＝7×0.4＝0.8×100＝55.2÷100＝

0.948×10＝0.06×0.04＝0.001×20＝0.08×0.9＝

二、列竖式计算。

9.2×0.080.44×1.10.81×3.54.6×2.96

5.9×0.93.5×0.420.3×50.89×8.12

420×0.78.2×2.70.81×0.386.6×72.4

0.69×0.60.26×9.30.58×7.830.5×0.9

一、口算。

0.8×4＝8×0.6＝0.7×100＝56.9÷100＝

0.424×1000＝0.02×0.8＝0.7×2＝0.09×4＝

0.5×5＝3×0.8＝0.8×100＝61.1÷1000＝

3.51×10＝0.03×0.3＝0.3×0.07＝0.3×0.2＝

二、列竖式计算。

5.9×0.40.68×2.70.93×1.11.8×38.5

0.38×0.042.3×7.49×0.120.29×13.9

4.6×0.070.11×3.28.3×53.5×45

0.19×0.052×8.20.84×0.688.48×3

一、口算。

0.5×7＝5×0.8＝0.1×10＝0.806÷10＝

0.028×10＝90×0.06＝0.05×7＝0.16×70＝

0.4×5＝3×0.5＝0.001×1000＝2.38÷100＝

1.23×10＝0.9×0.04＝0.04×0.6＝1.8×300＝

二、列竖式计算。

6.8×0.89.3×6.22.3×5.66.6×1.93

0.33×0.40.64×0.30.69×0.135.9×9.53

0.34×0.50.97×1.36.7×3.22.5×5.32

6.9×0.030.19×8.70.78×5.83.48×1.7

一、口算。

0.1×6＝4×0.3＝0.02×1000＝69÷10＝

8.8×10＝7×0.3＝0.002×0.3＝1.1×2＝

0.3×8＝4×0.2＝0.9×10＝0.117÷10＝

0.22×100＝0.3×0.2＝0.005×3＝0.07×30＝

二、列竖式计算。

0.78×0.030.78×7.80.97×0.110.31×3.85

4.9×0.34.7×2.60.98×0.634.1×47.6

2.7×0.60.16×0.180.87×0.660.95×70.4

6.2×0.40.87×0.832.9×0.5210.3×8.8

一、口算。

0.8×6＝6×0.4＝0.003×100＝87.4÷10＝

61.7×10＝0.1×0.5＝0.8×0.05＝0.03×0.08＝

0.8×7＝8×0.4＝0.2×100＝0.7÷1000＝

11.2×10＝0.08×0.3＝0.07×0.05＝0.6×0.5＝

二、列竖式计算。

8.7×0.40.28×0.588.3×0.440.15×5.48

9.2×0.091.2×8.14.8×0.714.5×8.09

680×0.30.56×8.63.5×9.40.43×2.28

4.1×0.30.47×9.95.1×9.851×8.4

一、口算。

0.2×9＝8×0.6＝0.03×10＝70.4÷1000＝

2.56×100＝7×0.6＝0.9×70＝1.4×0.05＝

0.4×4＝6×0.9＝0.8×100＝3.09÷1000＝

0.276×10＝0.5×0.03＝0.02×5＝0.15×0.8＝

二、列竖式计算。

0.94×0.030.3×0.925.7×0.987.1×47.2

0.76×0.65.6×0.680.24×5.32.5×7.08

4.8×0.50.55×5.53.1×58×32.2

1.7×0.070.39×7.26.2×2.89.52×0.43

一、口算。

0.9×7＝8×0.4＝0.002×1000＝0.205÷1000＝

5.08×1000＝0.6×0.03＝0.1×0.06＝0.2×600＝

0.5×3＝6×0.9＝0.2×10＝0.679÷10＝

0.105×10＝4×0.3＝0.006×3＝0.04×0.8＝

二、列竖式计算。

0.13×0.60.9×0.650.91×0.786.4×49.5

8.6×0.44.1×0.761.9×3.22.6×28.6

0.62×0.24.4×0.567.9×0.495.8×5.79

0.43×0.88.5×5.92.4×0.771.37×0.94