北师大版四年级数学下册小数乘法综合练习题86.docx

北师大版四年级数学下册小数乘法综合练习题86.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86

一、口算。

0.2×2＝9×0.7＝0.6×1000＝18.7÷1000＝

0.769×10＝0.03×0.5＝0.01×0.2＝0.03×900＝

0.5×8＝3×0.2＝0.01×10＝0.106÷100＝

52.6×1000＝40×0.3＝0.03×0.02＝1.1×0.9＝

二、列竖式计算。

1.4×0.079.8×0.320.25×2.75.4×7.35

5.8×0.040.4×92.6×2.61.5×4.6

730×0.80.8×2.59.5×4.50.59×50.7

5.9×0.30.95×9.71.5×0.4586×1.9

一、口算。

0.5×8＝8×0.5＝0.007×100＝0.516÷100＝

6.76×1000＝40×0.02＝0.04×300＝0.2×50＝

0.5×6＝5×0.2＝0.001×100＝0.276÷10＝

8.24×1000＝0.04×0.8＝0.06×0.5＝0.06×30＝

二、列竖式计算。

8.4×0.025.1×5.80.37×0.440.32×59.8

0.23×0.30.44×7.47.6×0.637.4×2.35

2.9×0.030.96×0.960.35×6.38.2×3.63

0.83×0.070.35×5.27.4×0.4891.4×9.6

一、口算。

0.2×2＝7×0.8＝0.07×1000＝0.95÷100＝

0.308×100＝3×0.5＝0.06×0.02＝1×70＝

0.9×4＝6×0.6＝0.002×1000＝0.788÷100＝

8.96×1000＝20×0.4＝0.04×60＝0.6×900＝

二、列竖式计算。

0.46×0.55.2×0.736×2.72.3×44.5

0.41×0.70.53×0.274.3×0.640.61×7.84

9200×0.039.9×0.290.84×0.967.6×5.93

0.91×0.039.9×1.40.52×2.65.2×9.3

一、口算。

0.8×2＝3×0.2＝0.007×100＝34.1÷1000＝

0.058×100＝20×0.08＝0.002×0.3＝1.4×0.5＝

0.3×5＝8×0.7＝0.6×1000＝5.6÷10＝

5.29×100＝0.08×0.06＝0.04×0.5＝0.03×0.08＝

二、列竖式计算。

0.91×0.62.7×8.72.2×0.630.58×29.5

0.52×0.53.5×0.330.37×1.55.2×6.22

4400×0.46.4×0.947.8×5.50.21×8.22

0.68×0.040.37×0.930.84×6.410.2×0.94

一、口算。

0.8×3＝8×0.8＝0.05×100＝0.823÷100＝

9.89×10＝0.06×0.03＝0.7×0.3＝0.02×500＝

0.5×7＝9×0.7＝0.006×10＝93.1÷100＝

54.8×100＝20×0.04＝0.7×800＝0.14×40＝

二、列竖式计算。

0.27×0.80.11×0.80.49×5.32.9×30.2

0.17×0.54.6×0.160.33×0.630.74×48.1

4.9×0.028.7×0.840.91×50.15×6.18

0.27×0.020.68×4.74.4×0.825.19×0.95

一、口算。

0.2×7＝9×0.3＝0.7×100＝0.236÷100＝

70.2×1000＝1×0.7＝0.7×80＝0.12×60＝

0.3×9＝4×0.7＝0.004×1000＝0.643÷10＝

0.146×1000＝7×0.4＝0.06×60＝0.03×800＝

二、列竖式计算。

0.33×0.30.3×0.920.97×7.40.37×9.54

0.44×0.90.18×0.739.4×5.40.6×8.36

9.5×0.60.75×3.64.9×0.415.7×9.44

0.14×0.098.1×0.486.6×0.9467.3×0.73

一、口算。

0.3×7＝2×0.5＝0.003×10＝0.684÷10＝

19.4×10＝8×0.03＝0.07×700＝0.11×20＝

0.2×9＝6×0.5＝0.3×100＝0.131÷1000＝

5.34×1000＝0.2×0.02＝0.7×7＝0.11×600＝

二、列竖式计算。

7.4×0.030.85×0.50.52×0.490.14×13.8

0.26×0.087.2×9.14.9×6.26.6×7.79

6400×0.50.83×3.52.3×0.342.3×45.3

0.92×0.053×6.90.53×0.933.03×0.8

一、口算。

0.6×9＝7×0.8＝0.008×10＝3.55÷100＝

42.6×100＝6×0.3＝0.8×0.07＝0.19×30＝

0.2×2＝4×0.7＝0.8×1000＝40.6÷100＝

0.769×100＝40×0.4＝0.006×0.8＝0.9×2＝

二、列竖式计算。

0.79×0.095×7.20.16×0.690.27×82.5

0.52×0.40.72×0.80.35×0.610.93×2.45

9.3×0.079.5×1.98×0.190.69×4.44

9.2×0.20.97×4.14.8×0.273.34×0.82

一、口算。

0.4×2＝4×0.8＝0.05×1000＝0.137÷1000＝

5.08×10＝0.05×0.09＝0.009×700＝0.03×0.03＝

0.9×9＝5×0.4＝0.004×100＝0.626÷1000＝

9.27×10＝0.2×0.06＝0.03×90＝0.18×4＝

二、列竖式计算。

0.55×0.040.15×2.55.5×0.390.84×41.5

6.2×0.036×5.88.3×0.420.68×8.33

7.6×0.080.25×0.610.83×4.13×58.8

0.73×0.048.1×6.60.49×24.18×0.28

一、口算。

0.8×6＝2×0.6＝0.8×100＝8.3÷10＝

9.73×1000＝9×0.6＝0.009×600＝0.18×0.05＝

0.1×8＝9×0.7＝0.03×100＝0.356÷10＝

0.263×10＝8×0.09＝0.001×700＝0.01×90＝

二、列竖式计算。

7.3×0.070.87×0.681.2×7.50.56×52.2

5.5×0.50.24×6.60.19×7.97×58.4

99×0.87×90.49×0.560.63×7.89

0.24×0.092.3×61.7×0.9662.9×8.8

一、口算。

0.6×8＝2×0.3＝0.8×100＝0.425÷10＝

8.44×10＝0.09×0.05＝0.4×0.07＝1.9×0.8＝

0.1×7＝4×0.9＝0.09×100＝55.4÷1000＝

5.76×1000＝30×0.06＝0.02×0.05＝0.06×0.4＝

二、列竖式计算。

0.32×0.86.3×0.527.6×0.360.55×8.58

0.55×0.60.33×3.84.1×0.830.96×27.2

8200×0.60.91×2.37.6×0.790.29×6.66

0.86×0.28.3×70.88×8.76.31×3.2

一、口算。

0.2×6＝4×0.4＝0.007×1000＝40.1÷100＝

10.3×1000＝60×0.3＝0.2×50＝0.8×0.03＝

0.1×9＝6×0.9＝0.09×100＝6.59÷100＝

3×100＝0.9×0.2＝0.5×9＝0.03×0.02＝

二、列竖式计算。

4.1×0.76.6×0.980.31×44.8×20

1.9×0.060.51×0.950.23×1.79.3×88.1

330