北师大版四年级数学下册小数乘法综合练习题51.docx

北师大版四年级数学下册小数乘法综合练习题51.docx

《北师大版四年级数学下册小数乘法综合练习题51.docx》由会员分享，可在线阅读，更多相关《北师大版四年级数学下册小数乘法综合练习题51.docx（10页珍藏版）》请在冰豆网上搜索。

北师大版四年级数学下册小数乘法综合练习题51

一、口算。

0.7×4＝6×0.8＝0.007×100＝0.457÷1000＝

0.044×1000＝6×0.2＝0.03×60＝1.1×90＝

0.8×3＝8×0.5＝0.7×1000＝0.443÷1000＝

0.897×100＝3×0.05＝0.6×200＝1×0.9＝

二、列竖式计算。

4.3×0.080.5×0.730.49×1.89×2.37

0.84×0.040.19×7.75.2×0.540.85×4.49

86×0.083.3×3.60.22×1.62.8×82.8

0.31×0.44.1×0.830.2×0.351.29×7.5

一、口算。

0.3×7＝6×0.6＝0.05×10＝18.6÷1000＝

11.3×100＝0.05×0.8＝0.002×0.04＝0.13×0.2＝

0.3×6＝8×0.9＝0.003×10＝4.78÷100＝

1.29×100＝40×0.06＝0.9×200＝0.08×70＝

二、列竖式计算。

0.18×0.56×3.75×5.20.13×86

9.7×0.040.67×0.535.1×6.94.9×5.16

3800×0.75.5×9.63.7×0.790.64×7.89

4.5×0.043.1×70.17×0.6676.8×9.8

一、口算。

0.3×8＝6×0.9＝0.6×100＝90.6÷1000＝

1.33×1000＝2×0.05＝0.9×300＝1.8×9＝

0.3×7＝8×0.6＝0.03×10＝39.5÷10＝

0.64×100＝5×0.6＝0.03×0.06＝1.1×0.04＝

二、列竖式计算。

4.6×0.063×6.57.3×7.20.23×1.52

3.1×0.044.5×7.40.77×0.360.84×90.9

840×0.69.2×0.888.1×2.11.3×3.38

0.18×0.024.6×2.50.31×9.138.5×8.8

一、口算。

0.5×4＝3×0.8＝0.7×1000＝4÷100＝

0.948×100＝0.4×0.06＝0.08×4＝0.11×0.5＝

0.4×9＝5×0.8＝0.7×100＝6.35÷10＝

48.3×1000＝0.05×0.8＝0.3×7＝1.2×8＝

二、列竖式计算。

0.39×0.80.39×0.928×0.459.2×5.81

0.41×0.66.3×0.940.78×0.745.1×54.5

4300×0.070.52×5.53.5×1.50.88×30.1

4.5×0.060.37×5.47.4×0.858.12×0.91

一、口算。

0.8×9＝7×0.2＝0.2×10＝46.6÷10＝

7.1×10＝0.09×0.5＝0.8×0.02＝0.11×0.3＝

0.4×6＝3×0.7＝0.5×10＝0.078÷10＝

12.4×100＝0.7×0.6＝0.09×60＝0.5×0.3＝

二、列竖式计算。

6.2×0.060.29×0.590.22×0.450.48×6.92

6.5×0.90.42×4.82.5×8.26.4×27.1

0.58×0.060.58×0.40.91×1.59.9×3.16

0.72×0.088.4×0.670.14×8.978.5×0.96

一、口算。

0.8×7＝4×0.2＝0.005×10＝0.648÷10＝

0.886×10＝8×0.05＝0.8×900＝0.15×90＝

0.7×9＝8×0.8＝0.07×100＝0.59÷1000＝

37.3×10＝0.1×0.08＝0.09×0.3＝1.5×0.02＝

二、列竖式计算。

3.9×0.60.89×0.442×1.60.51×65.3

0.19×0.20.92×8.50.52×0.680.38×78.7

9.9×0.060.7×0.765.6×1.21.4×6.93

0.44×0.60.13×0.485.2×0.149.56×5.1

一、口算。

0.5×7＝4×0.4＝0.09×1000＝48.6÷100＝

0.57×10＝10×0.8＝0.6×300＝0.03×5＝

0.7×5＝8×0.5＝0.006×10＝0.107÷10＝

45.8×1000＝2×0.5＝0.002×0.04＝0.5×800＝

二、列竖式计算。

0.66×0.80.72×1.51.1×98.6×49.9

0.83×0.070.24×0.68.3×1.60.44×45.6

370×0.60.5×0.196.1×8.40.47×38.3

2.5×0.040.45×0.650.58×3.58.5×1.9

一、口算。

0.6×9＝3×0.3＝0.09×1000＝7.29÷1000＝

7.99×100＝80×0.05＝0.006×20＝1.7×40＝

0.2×9＝2×0.8＝0.01×1000＝0.223÷100＝

0.576×10＝0.04×0.09＝0.07×900＝1.1×0.9＝

二、列竖式计算。

6.8×0.036.8×0.380.1×0.210.81×9.87

0.14×0.035.6×0.640.57×9.81×76.1

0.77×0.36.4×6.70.39×0.222.3×40.7

0.85×0.50.99×2.33.4×6.487.8×0.78

一、口算。

0.4×2＝5×0.9＝0.06×10＝5.71÷10＝

0.542×100＝10×0.4＝0.9×400＝1.4×0.8＝

0.2×9＝9×0.5＝0.05×1000＝5.7÷10＝

37.9×1000＝0.09×0.03＝0.06×0.05＝0.6×70＝

二、列竖式计算。

0.86×0.084.6×0.416.3×0.919.8×2.05

0.67×0.70.85×0.744.3×1.80.62×78.3

19×0.50.28×1.80.75×0.810.6×62.8

3.8×0.040.42×0.130.97×0.766.41×3

一、口算。

0.2×9＝6×0.5＝0.4×100＝6.6÷1000＝

0.837×1000＝20×0.08＝0.6×50＝0.02×0.05＝

0.3×2＝9×0.2＝0.2×100＝0.582÷10＝

1.53×100＝40×0.02＝0.005×0.2＝0.7×0.5＝

二、列竖式计算。

5.6×0.029.4×0.313.4×0.490.47×29.6

6.9×0.066.3×0.430.42×0.810.76×94.8

0.31×0.38.8×4.30.24×0.518.4×55.5

0.34×0.055.6×6.42.1×6.475×4.8

一、口算。

0.9×6＝6×0.8＝0.5×1000＝0.074÷1000＝

93.9×10＝0.6×0.6＝0.3×800＝1.6×0.04＝

0.9×4＝2×0.3＝0.8×1000＝0.415÷100＝

48.5×1000＝0.4×0.7＝0.03×80＝0.2×0.09＝

二、列竖式计算。

4.7×0.086.1×0.11×7.31.1×1.79

0.44×0.70.96×3.97.3×0.420.11×39.9

9.5×0.20.29×8.40.84×0.755.7×5.34

0.74×0.050.7×35.6×0.2947.2×0.98

一、口算。

0.5×5＝2×0.6＝0.005×1000＝4.38÷10＝

0.388×100＝1×0.03＝0.1×0.08＝1.7×0.2＝

0.8×6＝2×0.5＝0.006×1000＝5.42÷100＝

0.396×10＝0.5×0.03＝0.05×0.7＝0.5×0.4＝

二、列竖式计算。

0.62×0.043.7×9.60.51×4.52.5×46.8

0.47×0.050.99×7.96.9×9.41.3×68.7

1.2×0.70.3×5.31.5×4.49.1×73.4

0.26×0.069.6×5.20.1×0.376.51×6.4

一、口算。

0.7×6＝6×0.8＝0.1×1000＝0.764÷1000＝

86.8×100＝8×0.7＝0.9×300＝0.04×0.03＝

0.9×2＝5×0.9＝0.006×10＝80.2÷100＝

3.84×1000＝7×0.04＝0.009×0.08＝0.04×500＝

二、列竖式计算。

8.4×0.20.21×3.80.99×3.24.5×9.17

0.97×0.67.4×7.40.12×2.20.23×43.1

3900×0.050.33×9.20.88×0.240.76×8.23

0.14×0.60.25×3.13.9×0.343.24×0.87

一、口算。

0.9×2＝2×0.2＝0.003×1000＝24.6÷10＝

5.68×1000＝1×0.06＝0.4×0.7＝0.1×80＝

0.7×9＝6×0.6＝0.009×1000＝0.959÷1000＝

6.36×1000＝0.2×0.8＝0.09×5＝1×3＝

二、列竖式计算。

2.8×0.080.15×7.80.21×6.90.87×39.8

6.9×0.086×0.630.3×9.50.94×55.6

5.4×0.098.3×1.28.8×0.757.3×44.3

4.6×0.045.6×0.640.67×0.958.86×0.2

一、口算。

0.2×5＝9×0.4＝0.9×10＝65.1÷10＝

1.8×10＝8×0.07＝0.7×0.6＝1.8×0.04＝

0.4×3＝7×0.4＝0.006×10＝97.2÷1000＝

9.04×10＝8×0.8＝0.004×8＝0.04×200＝

二、列竖式计算。

0.96×0.80.49×0.398.5×3.84.2×7.55

5.3×0.060.98×9.98.6×9.81.2×31.1

0.34×0.70.94×2.60.44×6.80.67×55.9

2.5×0.050.89×1.30.1×0.4218.8×0.17

一、口算。

0.5×9＝7×0.2＝0.002×10＝18.1÷10＝

5.76×1000＝9×0.03＝0.6×20＝0.3×70＝

0.4×2＝6×0.7＝0.3×1000＝78.7÷10＝

0.125×10＝0.9×0.9＝0.09×30＝0.05×0.08＝

二、列竖式计算。

0.99×0.090.76×0.146.1×2.45.9×8.37

3.7×0.85.2×7.18.5×0.450.48×31.8

82×0.98.7×11×83.7×5.13

0.83×0.89.5×7.40.84×0.776.65×5.4

一、口算。

0.1×3＝4×0.8＝0.01×1000＝73.8÷100＝

7.52×1000＝0.03×0.9＝0.8×0.2＝1.2×0.8＝

0.4×6＝8×0.5＝0.04×100＝62.2÷10＝

2.63×10＝8×0.3＝0.05×50＝0.16×0.07＝

二、列竖式计算。

5.3×0.52×9.81×0.670.11×54.8

7.6×0.094.6×0.989.8×0.390.11×69.6

4500×0.97.8×0.590.39×0.112.3×29.7

3.4×0.90.15×8.92.7×0.975.29×1.6

一、口算。

0.8×6＝2×0.8＝0.9×10＝3.02÷1000＝

1.33×1000＝80×0.3＝0.007×8＝0.02×0.06＝

0.6×7＝5×0.5＝0.9×10＝31÷100＝

0.894×10＝70×0.5＝0.04×5＝0.18×0.05＝

二、列竖式计算。

8.8×0.98.2×0.250.81×9.24.2×29.8

4.5×0.082.7×2.49.5×2.40.47×43.9

5.1×0.022.9×8.13.1×4.38.5×3.51

0.18×0.60.5×0.644×2.37.25×1.9

一、口算。

0.8×8＝5×0.7＝0.06×10＝9.69÷10＝

93.2×100＝6×0.05＝0.002×0.4＝0.8×600＝

0.6×2＝4×0.6＝0.1×10＝1.52÷100＝

0.262×1000＝0.6×0.05＝0.03×900＝1.6×0.2＝

二、列竖式计算。

5.7×0.50.72×9.90.4×8.50.36×1.52

0.11×0.39.3×0.570.17×6.70.63×6.59

0.83×0.070.38×6.17.9×8.23.2×56.1

3.9×0.020.11×0.650.98×7.935.5×0.21

一、口算。

0.4×5＝6×0.9＝0.1×10＝0.697÷10＝

3.8×1000＝0.2×0.08＝0.1×8＝2×6＝

0.8×3＝4×0.4＝0.004×100＝44.2÷1000＝

5.24×1000＝1×0.6＝0.3×20＝0.12×9＝

二、列竖式计算。

9.2×0.67.5×8.20.38×6.20.13×5.24

0.84×0.026.5×9.80.9×0.110.49×8.34

840×0.90.45×0.88.9×6.41.9×9.43

0.93×0.080.6×0.590.1×143.9×7.2