北师大版四年级数学下册小数乘法综合练习题103.docx

北师大版四年级数学下册小数乘法综合练习题103.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103

一、口算。

0.7×7＝3×0.9＝0.009×100＝35.4÷1000＝

20×1000＝0.07×0.7＝0.008×7＝0.06×70＝

0.6×3＝5×0.9＝0.8×100＝80.3÷10＝

6.68×1000＝0.6×0.2＝0.006×0.9＝0.1×7＝

二、列竖式计算。

0.67×0.040.83×8.70.93×67.3×14.2

9.6×0.070.47×3.90.81×0.642.1×61.9

620×0.76.8×5.60.64×0.856.2×2.83

0.15×0.80.2×0.783.1×0.823.29×9.3

一、口算。

0.9×2＝5×0.7＝0.04×10＝46.4÷10＝

83.1×100＝0.04×0.04＝0.4×0.3＝0.02×0.08＝

0.9×8＝8×0.4＝0.02×100＝83.5÷1000＝

0.552×1000＝0.9×0.06＝0.007×0.8＝0.9×6＝

二、列竖式计算。

6.6×0.40.5×4.20.9×0.726.7×7.05

4.3×0.80.42×0.997.6×4.28.6×33.9

160×0.030.25×20.78×30.65×7.88

9.5×0.058.5×0.972.3×5.95.38×0.13

一、口算。

0.7×4＝2×0.9＝0.06×100＝19.1÷100＝

6.83×10＝0.4×0.2＝0.01×300＝1.8×50＝

0.3×4＝2×0.4＝0.007×10＝0.241÷10＝

7.88×1000＝8×0.3＝0.008×0.04＝0.02×0.08＝

二、列竖式计算。

0.66×0.20.55×0.694.1×0.316.2×6.68

0.61×0.034.1×0.549×5.30.22×5.57

5.8×0.24.9×8.35.4×0.60.82×39.4

0.38×0.072.4×0.320.46×1.53.54×5.1

一、口算。

0.5×9＝6×0.8＝0.3×10＝8.88÷10＝

5.42×10＝40×0.06＝0.003×0.04＝1×2＝

0.5×6＝8×0.3＝0.004×100＝0.06÷10＝

0.881×100＝0.3×0.09＝0.7×800＝0.16×0.02＝

二、列竖式计算。

2.4×0.30.41×0.360.67×8.78.5×59.9

9.4×0.025.9×3.30.46×9.15.8×3.89

350×0.020.16×93×7.87.9×33.7

9.9×0.60.91×6.10.91×0.8817.7×0.14

一、口算。

0.1×5＝3×0.5＝0.09×100＝6.78÷100＝

2.32×100＝0.8×0.9＝0.2×0.5＝0.2×0.08＝

0.1×8＝9×0.9＝0.8×1000＝5.37÷100＝

7.02×100＝0.7×0.5＝0.06×30＝0.07×0.2＝

二、列竖式计算。

0.73×0.089.4×0.354.2×1.95.8×81.5

0.74×0.065.6×7.68.3×0.169.2×52.5

48×0.70.26×0.510.87×0.180.57×4.33

0.25×0.052×0.529.4×0.8659.9×0.37

一、口算。

0.7×4＝9×0.9＝0.2×10＝3.26÷1000＝

1.35×100＝1×0.4＝0.008×0.08＝0.17×4＝

0.8×4＝7×0.9＝0.04×1000＝94.7÷10＝

61.9×1000＝10×0.07＝0.04×20＝0.01×0.09＝

二、列竖式计算。

3.9×0.070.5×0.770.79×2.28.1×34.6

0.78×0.40.3×0.480.35×90.47×26.3

36×0.055.5×8.18.8×0.630.93×64.3

7.6×0.020.15×0.330.43×0.3580.3×0.64

一、口算。

0.7×5＝9×0.6＝0.005×10＝0.579÷10＝

76.8×1000＝90×0.6＝0.04×3＝1.2×0.02＝

0.1×6＝5×0.3＝0.2×100＝0.18÷1000＝

9.26×100＝0.09×0.5＝0.08×0.7＝0.03×0.9＝

二、列竖式计算。

6.1×0.60.32×0.993.7×5.30.73×9.3

0.37×0.080.72×4.64.9×2.41.2×52.6

2.6×0.21.9×2.77.9×2.60.64×83.1

3.9×0.050.44×54.9×0.843.7×0.74

一、口算。

0.9×6＝3×0.5＝0.3×10＝39.5÷100＝

4.21×1000＝0.09×0.3＝0.008×90＝0.06×70＝

0.8×6＝4×0.9＝0.004×100＝0.559÷100＝

0.244×100＝20×0.02＝0.06×0.08＝1.9×5＝

二、列竖式计算。

5.8×0.82.2×8.76.1×3.31×3.11

4.4×0.020.93×0.434.8×1.90.78×63.2

9200×0.060.39×0.538.6×0.390.85×6.07

4.9×0.020.98×0.170.22×5.862.2×1.3

一、口算。

0.7×4＝9×0.2＝0.5×1000＝0.933÷10＝

10.5×1000＝9×0.07＝0.2×600＝0.5×300＝

0.1×7＝3×0.5＝0.08×1000＝0.392÷100＝

0.895×10＝50×0.09＝0.7×0.02＝1.6×700＝

二、列竖式计算。

0.61×0.40.44×0.140.86×9.20.92×2.51

0.87×0.024.7×0.630.97×5.70.85×3.13

5.4×0.80.33×8.32.9×0.670.82×8.51

0.78×0.098.2×0.646.5×0.671.17×0.67

一、口算。

0.2×9＝6×0.5＝0.002×10＝3.07÷100＝

74.8×10＝0.8×0.09＝0.8×700＝0.17×80＝

0.8×6＝3×0.3＝0.01×10＝0.634÷100＝

33.7×10＝0.2×0.04＝0.03×0.9＝1.2×600＝

二、列竖式计算。

0.25×0.80.57×0.150.14×0.60.5×74.3

0.89×0.30.37×4.81.9×9.78.1×8.38

150×0.69.3×5.72.2×8.30.1×75.1

7.5×0.30.97×0.560.24×0.381.5×0.81

一、口算。

0.3×6＝7×0.5＝0.07×10＝0.628÷10＝

0.949×100＝0.03×0.05＝0.4×40＝0.12×50＝

0.2×2＝7×0.8＝0.7×10＝0.917÷1000＝

0.617×1000＝0.4×0.6＝0.7×0.07＝0.5×0.5＝

二、列竖式计算。

0.83×0.070.7×7.50.84×5.76.1×6.95

7.5×0.88.4×9.53.6×0.880.53×89.6

0.39×0.20.52×5.20.69×4.90.66×9.69

8.5×0.066.6×6.30.6×0.533.06×0.97

一、口算。

0.6×6＝6×0.3＝0.8×100＝97.2÷100＝

0.302×10＝70×0.5＝0.3×0.3＝0.13×600＝

0.6×8＝9×0.5＝0.005×1000＝89.8÷1000＝

4.72×10＝4×0.9＝0.009×0.05＝0.03×0.02＝

二、列竖式计算。

0.79×0.089.9×0.290.73×0.486.4×13.8

0.94×0.020.8×2.35.4×1.50.65×97.5

620×0.5