北师大版四年级数学下册第三单元小数乘法专项练习题53.docx

北师大版四年级数学下册第三单元小数乘法专项练习题53.docx

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北师大版四年级数学下册第三单元小数乘法专项练习题53

一、口算。

0.3×9＝5×0.2＝0.006×100＝9.06÷100＝

94.4×1000＝80×0.05＝0.003×400＝0.18×60＝

0.7×8＝6×0.6＝0.03×10＝5.07÷100＝

75.4×1000＝20×0.08＝0.008×200＝0.01×0.9＝

二、列竖式计算。

0.24×0.082.8×6.63.7×7.40.53×5.84

8.8×0.066.9×0.60.44×0.710.66×2.16

47×0.070.18×0.453.1×6.33.4×9.66

9.6×0.30.85×8.70.37×0.5876.7×8.3

一、口算。

0.5×3＝4×0.3＝0.01×1000＝0.858÷100＝

11.3×100＝0.6×0.2＝0.7×70＝0.9×0.03＝

0.9×8＝9×0.9＝0.08×100＝21.6÷100＝

0.91×10＝0.04×0.06＝0.008×0.04＝0.1×600＝

二、列竖式计算。

2.9×0.51.5×0.575.2×0.580.52×12.4

0.63×0.080.96×4.50.13×0.99.9×10.3

2500×0.057.3×0.330.64×0.760.59×17.9

8.2×0.060.55×2.50.51×6.63.84×0.42

一、口算。

0.3×6＝6×0.5＝0.6×10＝2.6÷10＝

5.48×100＝0.1×0.8＝0.06×40＝0.19×60＝

0.1×6＝9×0.9＝0.01×100＝61.9÷100＝

23.5×100＝50×0.9＝0.004×0.7＝0.13×300＝

二、列竖式计算。

0.85×0.078.2×0.983.5×0.560.16×6.67

5.8×0.030.73×2.60.88×6.80.3×61.7

73×0.80.46×0.750.29×0.144.5×72.5

8.9×0.80.72×2.61.3×0.695.76×0.24

一、口算。

0.3×6＝7×0.8＝0.2×10＝5.73÷1000＝

41×100＝20×0.9＝0.8×0.08＝1.6×90＝

0.9×5＝3×0.6＝0.007×1000＝6.7÷1000＝

85.1×1000＝0.5×0.09＝0.09×0.8＝2×0.6＝

二、列竖式计算。

5.3×0.51.1×0.150.52×0.726.2×55.5

6.5×0.099.7×3.64×0.749.4×76.2

32×0.070.22×2.72.5×0.520.77×2.12

0.24×0.020.98×5.59.1×5.996.9×7.1

一、口算。

0.8×5＝5×0.7＝0.7×10＝0.841÷1000＝

63.6×1000＝80×0.4＝0.006×0.06＝0.17×40＝

0.1×5＝8×0.9＝0.003×100＝1.31÷1000＝

29.2×10＝70×0.4＝0.4×800＝0.08×300＝

二、列竖式计算。

0.32×0.086.2×0.110.16×2.55.3×6.74

0.82×0.20.83×3.73.4×6.58×5.49

82×0.052.1×5.53.5×7.90.51×96.8

0.19×0.60.5×0.940.16×0.6370.6×0.59

一、口算。

0.5×4＝5×0.5＝0.05×1000＝0.744÷100＝

97.9×1000＝20×0.02＝0.8×0.07＝0.1×50＝

0.2×4＝8×0.3＝0.004×10＝78.9÷1000＝

82.1×1000＝0.5×0.06＝0.004×0.04＝0.8×9＝

二、列竖式计算。

0.56×0.040.74×3.25.9×4.60.21×2.73

0.41×0.025×0.410.27×0.499.6×5.74

860×0.52.3×0.735.8×9.54.8×1.83

8.1×0.50.28×1.24.6×0.7691.6×0.64

一、口算。

0.6×3＝4×0.4＝0.7×100＝6.54÷100＝

12.7×10＝40×0.7＝0.6×2＝0.17×80＝

0.5×7＝7×0.6＝0.2×1000＝7.6÷100＝

29.7×1000＝0.5×0.2＝0.07×900＝0.12×4＝

二、列竖式计算。

2.6×0.030.23×0.20.76×7.27.5×67.7

6.1×0.080.91×0.785.8×0.534.8×8.36

62×0.57.2×5.30.39×0.680.19×44

0.81×0.40.93×60.63×0.4375.2×0.91

一、口算。

0.1×3＝3×0.4＝0.02×1000＝0.785÷10＝

0.956×10＝5×0.2＝0.008×0.7＝0.6×7＝

0.4×7＝6×0.5＝0.009×100＝0.51÷10＝

0.415×100＝0.5×0.9＝0.2×90＝0.19×0.8＝

二、列竖式计算。

0.54×0.061.3×8.40.33×2.32×59.4

1.4×0.079.4×6.90.71×0.430.38×6.43

710×0.070.64×9.70.66×0.748.9×5.53

3.2×0.040.75×0.790.65×6.968.6×7.1

一、口算。

0.9×5＝7×0.5＝0.001×100＝50.6÷100＝

5.33×1000＝0.03×0.6＝0.08×0.2＝0.03×6＝

0.3×7＝7×0.8＝0.003×10＝51.9÷100＝

78×100＝0.4×0.6＝0.8×0.05＝0.2×20＝

二、列竖式计算。

0.88×0.20.79×0.40.49×9.40.51×90.3

7.2×0.071.2×3.92.6×8.79.3×9.51

180×0.030.68×2.80.2×0.338×23.6

8.6×0.054.1×0.839.1×7.99.31×0.24

一、口算。

0.5×2＝8×0.4＝0.3×10＝34.7÷1000＝

0.814×10＝0.08×0.6＝0.3×50＝0.09×0.9＝

0.4×6＝9×0.9＝0.05×10＝8.1÷1000＝

0.672×1000＝0.09×0.07＝0.01×0.05＝0.09×900＝

二、列竖式计算。

0.23×0.40.92×0.179.9×0.190.43×51.4

3.7×0.35.6×0.235×0.818.2×65.1

490×0.030.88×9.10.1×0.480.6×4.87

0.27×0.095.9×6.10.48×173.3×7.2

一、口算。

0.1×5＝3×0.2＝0.009×1000＝0.954÷100＝

75.6×100＝40×0.4＝0.008×0.05＝1×300＝

0.6×7＝8×0.5＝0.009×100＝0.022÷100＝

0.091×10＝0.7×0.08＝0.04×60＝0.4×0.4＝

二、列竖式计算。

9.4×0.80.35×0.928.2×0.511.3×6.33

9.6×0.70.62×80.73×6.10.78×59

4900×0.050.8×0.211.7×0.556.5×33.1

9.2×0.87.7×0.35.5×6.47.59×0.14

一、口算。

0.6×3＝3×0.4＝0.04×10＝44.3÷10＝

75.6×10＝0.04×0.03＝0.01×50＝0.08×0.03＝

0.2×4＝5×0.3＝0.001×10＝6.4÷1000＝

1.83×10＝0.05×0.04＝0.5×40＝1.9×8＝

二、列竖式计算。

0.16×0.91.4×0.652.8×7.41.9×6.78

0.92×0.055.5×9.15.9×2.71.6×60.5