北师大版四年级数学下册小数乘法综合练习题106.docx

北师大版四年级数学下册小数乘法综合练习题106.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106

一、口算。

0.9×9＝5×0.4＝0.7×1000＝0.713÷10＝

37.8×100＝10×0.6＝0.01×0.05＝0.9×0.2＝

0.5×2＝8×0.7＝0.04×100＝7.59÷100＝

75.1×10＝0.9×0.9＝0.009×0.7＝0.01×0.07＝

二、列竖式计算。

0.28×0.070.34×0.350.12×0.280.91×42.2

0.22×0.085×0.220.73×4.90.49×28.4

3800×0.032.3×7.10.42×0.750.21×1.47

7.4×0.041.5×5.11.5×2.21.21×2.6

一、口算。

0.4×7＝7×0.5＝0.8×1000＝9.98÷10＝

4.4×1000＝0.07×0.04＝0.08×700＝0.03×20＝

0.1×5＝8×0.5＝0.08×100＝8.65÷10＝

3.98×1000＝30×0.7＝0.05×3＝0.18×7＝

二、列竖式计算。

3.2×0.70.11×8.60.22×0.523.8×77.2

0.38×0.41.4×3.10.58×0.494.3×82.6

5.2×0.070.79×0.466.3×9.87×66.7

2.1×0.60.63×0.880.55×0.361.9×0.19

一、口算。

0.2×5＝2×0.2＝0.06×1000＝39.3÷1000＝

5.35×1000＝0.5×0.7＝0.005×0.6＝0.15×600＝

0.2×4＝5×0.3＝0.002×100＝0.8÷1000＝

0.829×1000＝1×0.5＝0.006×0.6＝1.9×2＝

二、列竖式计算。

0.15×0.30.31×0.350.35×8.40.45×55.2

0.37×0.080.69×0.340.12×0.420.44×17.1

580×0.070.54×0.620.3×7.36.9×51.9

9.9×0.025.7×0.550.58×3.620.4×7.7

一、口算。

0.2×7＝2×0.2＝0.004×1000＝65.2÷100＝

28.3×100＝4×0.6＝0.003×90＝0.09×0.03＝

0.2×2＝2×0.8＝0.07×10＝48.5÷100＝

97.2×100＝0.8×0.6＝0.006×400＝0.2×800＝

二、列竖式计算。

0.53×0.23.2×0.470.39×2.20.45×20.4

0.12×0.60.13×5.70.13×0.712.9×8.19

530×0.060.33×7.20.58×8.70.57×1.57

3.3×0.058.6×0.883.8×6.32.34×5.2

一、口算。

0.7×2＝9×0.9＝0.9×100＝0.845÷100＝

0.275×10＝6×0.2＝0.4×2＝0.11×0.4＝

0.3×6＝3×0.4＝0.1×10＝3.95÷10＝

0.186×10＝60×0.07＝0.5×30＝0.04×60＝

二、列竖式计算。

0.49×0.076.5×0.176.1×0.62.5×65.4

3.2×0.068.7×9.40.4×0.635.5×9.1

6.5×0.90.86×2.24.7×9.30.73×9.29

0.58×0.70.85×0.170.55×5.522.2×0.37

一、口算。

0.7×4＝3×0.3＝0.008×100＝5.68÷1000＝

0.54×1000＝0.8×0.3＝0.04×300＝1.5×90＝

0.9×8＝2×0.7＝0.8×10＝0.035÷10＝

68.4×1000＝5×0.5＝0.08×900＝1×300＝

二、列竖式计算。

4.2×0.92.4×0.40.51×8.84.7×5.6

0.77×0.80.87×3.40.23×2.50.45×5.28

6100×0.032.7×0.992.9×0.278.9×5.71

0.35×0.63.1×6.94.4×0.1512×0.49

一、口算。

0.6×7＝6×0.4＝0.2×10＝91.9÷10＝

7.63×10＝0.05×0.9＝0.5×40＝0.17×400＝

0.9×9＝7×0.4＝0.07×1000＝59.5÷1000＝

0.223×1000＝40×0.02＝0.4×2＝0.11×700＝

二、列竖式计算。

5.4×0.80.2×0.970.49×7.60.3×31.2

0.31×0.037.7×70.55×2.89×70.9

9200×0.22×0.910.37×40.34×2.06

0.11×0.038.3×88.4×2.58.23×9.2

一、口算。

0.2×6＝8×0.8＝0.006×100＝78÷10＝

23.6×10＝4×0.2＝0.4×0.09＝0.06×5＝

0.6×7＝5×0.4＝0.3×1000＝0.576÷100＝

0.835×1000＝3×0.03＝0.004×0.9＝0.18×0.06＝

二、列竖式计算。

0.53×0.84.7×0.520.9×0.820.67×4.03

0.52×0.040.49×0.230.29×0.372×81.9

0.22×0.85.9×9.88.1×0.495.5×84.7

0.43×0.50.4×9.12.2×0.11.36×0.89

一、口算。

0.2×3＝4×0.8＝0.3×100＝36.7÷10＝

0.627×10＝10×0.6＝0.06×70＝1.2×0.6＝

0.5×2＝8×0.5＝0.004×10＝0.15÷100＝

11.6×100＝20×0.5＝0.03×70＝0.04×0.2＝

二、列竖式计算。

2.9×0.40.51×0.920.72×7.48.5×38.2

0.95×0.20.5×10.1×8.92.3×8.39

9400×0.073.7×0.412.9×0.530.73×71.9

4.8×0.045.2×2.62.3×5.335.4×0.51

一、口算。

0.3×6＝7×0.6＝0.5×10＝0.82÷1000＝

0.6×4＝3×0.2＝0.3×10＝2.62÷100＝

0.3×1000＝0.9×0.2＝0.4×3＝0.18×0.8＝

二、列竖式计算。

0.66×0.060.3×0.650.72×0.20.55×87.9

0.46×0.93.4×0.480.93×0.33.9×7.81

59×0.30.21×0.819.5×8.30.79×8.59

2.2×0.43.7×0.195×6.15.04×0.56

一、口算。

0.4×5＝7×0.8＝0.2×1000＝7.43÷100＝

0.306×10＝0.3×0.7＝0.9×0.02＝0.2×0.5＝

0.7×7＝2×0.5＝0.04×100＝78.1÷1000＝

36.1×1000＝0.01×0.9＝0.004×0.6＝0.4×500＝

二、列竖式计算。

8.8×0.70.35×0.70.67×8.18×7.88

0.56×0.035.8×2.50.4×7.36.5×7.92

13×0.71.4×5.39.4×2.30.11×55.5

8.6×0.36.7×0.550.32×0.4831.5×2.7

一、口算。

0.9×6＝2×0.4＝0.007×1000＝0.143÷1000＝

15.3×100＝0.04×0.7＝0.008×300＝0.9×900＝

0.6×3＝7×0.2＝0.09×100＝96÷1000＝

38.7×100＝0.1×0.08＝0.009×0.06＝0.04×2＝

二、列竖式计算。

8.7×0.070.85×6.81×0.432.8×7.97

0.41×0.060.63×0.190.9×9.60.79×5.8

3.2×0.40.98×5.50.4×3.10.13×46.7

0.44×0.90.78×0.920