北师大版四年级数学下册小数乘法综合练习题16.docx

北师大版四年级数学下册小数乘法综合练习题16.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16

一、口算。

0.6×4＝9×0.6＝0.07×10＝0.1÷10＝

48×100＝9×0.2＝0.5×800＝0.09×0.5＝

0.7×8＝7×0.5＝0.007×100＝6.26÷1000＝

4.49×100＝4×0.6＝0.004×0.09＝0.2×0.8＝

二、列竖式计算。

5.2×0.70.35×0.135.1×5.60.93×3.12

1.7×0.090.78×2.14.7×84×8.79

450×0.20.32×2.70.1×0.42.2×8.3

7.6×0.069.8×0.613.3×9.133.4×8.3

一、口算。

0.8×7＝4×0.5＝0.09×100＝0.391÷10＝

7.56×1000＝10×0.06＝0.007×8＝0.03×0.02＝

0.4×9＝6×0.5＝0.1×1000＝4.94÷10＝

5.52×1000＝0.1×0.2＝0.3×3＝1.8×0.2＝

二、列竖式计算。

0.26×0.86.7×0.160.58×6.51.2×30.5

0.34×0.080.58×0.34.9×0.964.5×84.6

8400×0.048×3.61.9×0.860.1×7.45

0.33×0.029.6×0.960.51×0.2670.5×5.4

一、口算。

0.8×8＝7×0.2＝0.9×1000＝0.418÷10＝

6.4×100＝0.5×0.4＝0.08×70＝0.04×0.08＝

0.3×4＝7×0.5＝0.001×10＝0.358÷100＝

4.4×1000＝10×0.4＝0.01×0.4＝0.15×900＝

二、列竖式计算。

0.47×0.068.6×33.6×3.41.3×7.05

6.3×0.67.9×52.8×1.77.6×56.4

2.8×0.093.2×9.30.25×0.90.61×6

2.3×0.090.73×1.40.82×0.258.09×0.42

一、口算。

0.2×8＝7×0.9＝0.3×10＝0.385÷100＝

37.7×100＝4×0.07＝0.004×0.5＝1.9×6＝

0.2×7＝8×0.4＝0.05×10＝24.4÷10＝

94.9×1000＝10×0.8＝0.04×20＝0.11×0.08＝

二、列竖式计算。

0.16×0.94.5×0.20.25×8.27.3×5.1

0.92×0.82×0.530.18×1.20.92×85.6

53×0.90.56×2.67.8×0.342.2×2.31

4.7×0.30.37×0.623.8×0.958.57×2.7

一、口算。

0.9×5＝5×0.4＝0.3×10＝45.6÷10＝

96.2×100＝0.01×0.8＝0.002×0.08＝0.12×0.07＝

0.2×8＝3×0.9＝0.5×1000＝0.103÷100＝

0.958×100＝2×0.09＝0.001×0.3＝1×80＝

二、列竖式计算。

6.4×0.042.1×0.640.76×0.270.35×8.65

2.3×0.40.72×0.648.4×16×1.32

9600×0.90.88×7.75.7×0.829.8×8.17

0.67×0.060.62×0.730.34×1.54.5×0.26

一、口算。

0.2×9＝6×0.3＝0.9×1000＝0.511÷10＝

52.9×10＝0.1×0.09＝0.07×0.6＝0.15×20＝

0.8×7＝3×0.7＝0.006×1000＝0.582÷100＝

69.1×100＝30×0.9＝0.008×200＝1.4×5＝

二、列竖式计算。

0.82×0.040.57×2.40.81×7.59.7×1.01

0.51×0.040.12×1.10.33×1.50.88×90.5

8300×0.088.5×6.50.57×0.460.11×50.7

0.23×0.030.58×0.826.7×1.67.66×8.3

一、口算。

0.2×9＝8×0.3＝0.1×1000＝30.6÷10＝

18.4×100＝0.04×0.06＝0.01×0.6＝0.1×0.05＝

0.3×9＝8×0.3＝0.4×1000＝0.186÷1000＝

0.996×100＝90×0.06＝0.9×0.8＝0.16×0.5＝

二、列竖式计算。

0.81×0.42.5×0.559.7×4.90.83×67.1

0.57×0.042.9×6.30.7×0.934.1×5.32

550×0.30.89×0.50.43×5.79.3×23.4

0.95×0.080.25×2.70.95×1.62.42×0.71

一、口算。

0.2×8＝6×0.4＝0.04×100＝7.5÷10＝

52.7×10＝0.2×0.05＝0.01×4＝0.4×60＝

0.3×2＝7×0.4＝0.4×1000＝9.87÷10＝

0.637×1000＝0.06×0.02＝0.5×60＝0.15×0.08＝

二、列竖式计算。

9.9×0.20.85×0.179.6×0.364.9×1.73

0.54×0.70.61×4.88.7×5.20.11×2.33

5100×0.082.6×5.40.63×0.259.2×36.6

0.67×0.070.19×0.316.9×0.618.49×6.8

一、口算。

0.7×6＝5×0.8＝0.04×100＝1.3÷1000＝

9.83×1000＝80×0.2＝0.1×7＝0.02×90＝

0.3×8＝6×0.5＝0.007×1000＝0.541÷1000＝

3.47×100＝0.9×0.5＝0.004×300＝0.7×800＝

二、列竖式计算。

1.3×0.090.32×9.76.5×9.46.8×38.3

0.77×0.40.89×0.815.2×7.30.99×21.2

0.39×0.50.56×0.950.14×3.70.89×64.9

0.64×0.052.9×0.785.5×0.486.39×0.11

一、口算。

0.5×7＝8×0.5＝0.01×100＝65.8÷10＝

3.8×10＝10×0.8＝0.003×5＝0.08×0.5＝

0.1×3＝7×0.6＝0.04×10＝63.7÷100＝

43.4×1000＝20×0.7＝0.001×6＝0.18×0.8＝

二、列竖式计算。

0.93×0.090.5×0.990.57×9.63.9×4.98

0.65×0.062.3×0.584×0.310.94×7.6

5.7×0.61.6×0.680.65×2.25.9×5.92

8.4×0.72.4×9.50.54×0.2135.2×8.5

一、口算。

0.1×5＝2×0.5＝0.002×10＝0.017÷1000＝

0.19×1000＝0.3×0.8＝0.05×0.8＝1.1×800＝

0.8×7＝9×0.3＝0.001×10＝0.825÷1000＝

7.7×10＝6×0.08＝0.08×0.3＝2×0.06＝

二、列竖式计算。

0.67×0.022.1×6.53.4×8.20.95×6.98

8.3×0.70.28×0.540.48×0.368.1×4.26

7.7×0.093.9×0.622.3×28.1×3.54

2.3×0.51.4×0.256.3×0.298.85×8.1

一、口算。

0.6×5＝3×0.8＝0.07×10＝1.3÷10＝

1.7×1000＝60×0.4＝0.03×0.7＝1.6×0.02＝

0.5×2＝6×0.9＝0.05×1000＝2.93÷1000＝

82.3×10＝0.5×0.7＝0.06×0.3＝1.1×0.6＝

二、列竖式计算。

9.8×0.87.5×0.70.67×95.3×8.63

4.7×0.90.87×0.144.4×0.672.9×28

330×0.049.3×0.933.8×0.479.3×15.5

0.13×0.52.3×0.770.14×0.4459.7×3.2

一、口算。

0.5×6＝5×0.7＝0.004×100＝40.7÷10＝

5.8×100＝0.05×0.08＝0.6×0.04＝0.9×70＝

0.1×4＝9×0.4＝0.2×10＝29.6÷1000＝

1.74×100＝5×0.2＝0.04×0.06＝0.5×0.02＝

二、列竖式计算。

7.4×0.50.4×0.440.61×5.90.58×6.12

0.79×0.060.22×0.544.6×3.50.37×64.6

2.1×0.28.1×0.470.13×0.830.7×5.94

6.4×0.60.57×2.41.8×9.782×4.2

一、口算。

0.7×2＝5×0.6＝0.4×10＝40.6÷10＝

6.68×100＝0.1×0.05＝0.009×500＝1.4×0.5＝

0.3×5＝6×0.9＝0.009×1000＝48.1÷10＝

94.4×1000＝6×0.09＝0.08×0.04＝1.1×900＝

二、列竖式计算。

0.51×0.52.8×3.51.7×0.610.84×14.4

0.29×0.20.32×4.19.4×2.90.66×8.25

870×0.033.7×0.573.7×7.50.86×93.7

1.3×0.060.98×0.10.21×0.533.4×9.2

一、口算。

0.5×2＝5×0.2＝0.07×100＝52.7÷1000＝

0.777×100＝0.07×0.8＝0.02×0.5＝0.6×0.2＝

0.9×4＝5×0.4＝0.04×100＝0.942÷10＝

5.89×1000＝40×0.05＝0.09×60＝0.2×0.4＝

二、列竖式计算。

0.62×0.82.9×0.440.21×8.25.8×54.2

6.6×0.50.58×0.594.2×2.31.9×25.3

6.3×0.090.86×6.71.5×0.960.68×17.9

6.2×0.077×0.579.9×1.855.7×0.55

一、口算。

0.9×5＝6×0.3＝0.05×1000＝0.454÷100＝

0.668×10＝0.9×0.6＝0.005×0.6＝0.18×0.4＝

0.5×7＝4×0.5＝0.01×10＝0.941÷100＝

83.7×100＝9×0.02＝0.03×300＝1×0.03＝

二、列竖式计算。

0.35×0.071.9×0.142.6×0.260.67×96.4

0.58×0.090.24×7.20.37×8.30.25×9.16

610×0.70.79×4.70.77×0.424.5×88.4

0.92×0.20.41×0.147.7×0.6620.5×4.8

一、口算。

0.2×3＝8×0.6＝0.008×100＝0.835÷1000＝

66.8×10＝0.8×0.6＝0.3×300＝1.5×0.6＝

0.3×9＝6×0.3＝0.009×100＝0.4÷1000＝

44.6×10＝0.2×0.4＝0.1×0.5＝0.6×2＝

二、列竖式计算。

1.9×0.79.3×0.964.6×5.89×42.4

0.99×0.020.86×0.564.8×9.96.6×94.7

0.76×0.070.22×0.259.3×8.50.33×32.4

0.72×0.067.5×0.584.3×0.681.39×9.9

一、口算。

0.8×9＝5×0.5＝0.005×100＝5.77÷10＝

0.053×10＝70×0.7＝0.4×0.5＝0.7×500＝

0.6×2＝5×0.3＝0.7×1000＝0.049÷10＝

6.79×100＝50×0.7＝0.04×50＝1.4×4＝

二、列竖式计算。

0.42×0.24.8×9.51.8×4.20.65×7.34

0.47×0.024.4×0.414×8.80.29×58.6

3300×0.036.7×2.48.8×1.90.28×58.3

0.61×0.064.6×7.94.4×0.781.87×3.2

一、口算。

0.2×9＝4×0.9＝0.09×100＝0.589÷100＝

23.7×100＝7×0.5＝0.002×0.07＝0.18×500＝

0.8×8＝9×0.7＝0.3×1000＝46.7÷10＝

65.4×100＝70×0.04＝0.1×0.06＝1.3×0.02＝

二、列竖式计算。

8.3×0.40.69×0.190.96×0.179×85.3

9.2×0.80.53×0.640.81×0.578.1×2.52

9200×0.20.79×55.5×48.3×52.9

0.26×0.098.9×10.72×0.993.1×0.74

一、口算。

0.4×5＝8×0.8＝0.01×100＝0.926÷10＝

42.2×100＝0.09×0.08＝0.08×80＝1.9×0.08＝

0.7×8＝6×0.7＝0.008×100＝0.717÷100＝

1.49×1000＝0.6×0.8＝0.009×0.03＝1.4×30＝

二、列竖式计算。

0.93×0.070.1×98×4.95.9×30.3

0.14×0.040.68×1.51.7×0.529.5×7.25

4.9×0.080.62×2.40.65×80.58×7.7

7.8×0.040.67×0.360.72×0.2244.9×5.9