北师大版四年级数学下册小数乘法综合练习题171.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171
一、口算。
0.1×8＝3×0.3＝0.9×10＝2.4÷1000＝
0.243×1000＝0.04×0.4＝0.07×0.7＝0.13×0.8＝
0.8×6＝9×0.4＝0.06×10＝73.9÷100＝
0.927×10＝40×0.06＝0.07×0.04＝0.09×8＝
二、列竖式计算。
0.49×0.090.99×0.115.1×0.67.8×8.18
0.51×0.071.7×0.980.86×0.170.36×57.3
1.2×0.090.37×0.114.9×7.65.6×6.51
3.1×0.72.1×4.46.7×0.238.22×0.85
一、口算。
0.4×6＝3×0.4＝0.003×1000＝5.76÷100＝
0.133×10＝0.1×0.07＝0.07×70＝1.3×30＝
0.7×2＝7×0.2＝0.08×100＝0.989÷10＝
4.8×10＝2×0.09＝0.05×400＝0.02×0.05＝
二、列竖式计算。
2.5×0.070.45×43.3×0.190.74×56
0.12×0.67.6×1.77.1×0.180.68×65
6200×0.090.6×0.728.4×0.574.7×17
0.97×0.070.45×0.199.3×9.65.92×2.1
一、口算。
0.2×5＝7×0.9＝0.06×100＝0.943÷100＝
0.82×10＝0.8×0.06＝0.01×7＝0.06×70＝
0.2×9＝7×0.6＝0.6×100＝2.8÷1000＝
83.7×100＝40×0.07＝0.3×800＝0.2×3＝
二、列竖式计算。
6.4×0.60.88×0.70.26×0.877.8×7.47
1.6×0.065×0.470.53×0.620.25×44.5
0.86×0.87.3×0.951.3×5.94.5×65.7
0.82×0.068.5×0.874.3×0.2797.6×5.4
0.1×2＝5×0.6＝0.5×1000＝4.35÷100＝
0.272×1000＝9×0.02＝0.007×0.08＝1.2×80＝
0.8×9＝2×0.4＝0.04×1000＝0.573÷10＝
9.63×1000＝3×0.4＝0.008×0.06＝1.4×0.06＝
二、列竖式计算。
0.64×0.044×0.760.19×5.20.41×14.5
0.41×0.55.9×3.97.7×0.250.21×9.67
46×0.21.7×6.70.36×40.59×4.95
3.8×0.072.6×9.30.89×4.532×9.4
一、口算。
0.5×3＝4×0.5＝0.1×1000＝60.9÷1000＝
8.5×1000＝8×0.09＝0.007×20＝0.04×700＝
0.8×4＝2×0.7＝0.08×100＝0.008÷100＝
1.9×10＝3×0.08＝0.01×0.03＝0.9×0.8＝
二、列竖式计算。
0.55×0.80.79×0.834.3×0.560.72×3.66
0.37×0.080.82×0.340.31×0.537.4×18.6
31×0.30.88×1.50.11×0.980.78×73.6
1.5×0.043.3×97.5×1.68.18×0.71
一、口算。
0.9×4＝2×0.6＝0.8×1000＝40.7÷10＝
9.68×100＝0.03×0.06＝0.001×5＝0.02×2＝
0.3×8＝5×0.3＝0.04×1000＝0.748÷10＝
77.6×1000＝0.3×0.8＝0.8×500＝0.16×6＝
二、列竖式计算。
3.3×0.87.2×0.161.4×5.80.38×7.66
0.82×0.052.6×4.80.34×0.635.4×25.3
1100×0.050.44×0.650.93×4.30.19×5.51
0.17×0.76.7×7.70.15×0.6833.3×0.9
一、口算。
0.4×3＝6×0.9＝0.5×100＝0.705÷1000＝
56.4×1000＝70×0.03＝0.1×0.03＝0.14×70＝
0.5×9＝3×0.2＝0.05×1000＝4.96÷10＝
0.391×10＝0.06×0.07＝0.007×8＝0.04×40＝
二、列竖式计算。
0.18×0.90.93×8.15.9×8.80.78×94
3.2×0.20.43×0.70.79×4.54.5×1.32
0.16×0.40.24×64.9×0.570.86×86.5
0.75×0.84.9×0.290.4×0.541.34×3.1
一、口算。
0.9×8＝9×0.8＝0.08×10＝5.33÷1000＝
88.4×10＝0.5×0.4＝0.009×0.04＝0.01×800＝
0.5×3＝6×0.7＝0.5×1000＝9.24÷100＝
80.6×1000＝0.8×0.3＝0.05×4＝0.2×7＝
二、列竖式计算。
0.26×0.090.63×0.423.1×5.26.2×67.6
0.73×0.050.66×0.813.6×0.368.7×40.2
1300×0.053.3×16.5×0.340.63×6.25
0.17×0.080.3×9.30.3×0.698.12×8.2
一、口算。
0.8×7＝6×0.4＝0.05×1000＝1.56÷10＝
56.1×10＝0.6×0.07＝0.1×0.2＝0.09×50＝
0.1×5＝5×0.6＝0.06×10＝48.3÷1000＝
9.96×10＝50×0.09＝0.6×60＝0.18×90＝
二、列竖式计算。
2.9×0.60.4×4.70.7×3.74.3×4.37
0.57×0.036.9×9.80.49×10.39×6.69
0.87×0.90.65×0.770.37×6.80.99×4.1
2.1×0.073.9×1.50.33×7.99.19×1.6
一、口算。
一、口算。
0.5×6＝9×0.2＝0.07×10＝0.566÷1000＝
4.88×1000＝40×0.8＝0.007×8＝0.19×0.8＝
0.2×4＝8×0.6＝0.2×1000＝0.799÷1000＝
9.06×10＝30×0.03＝0.5×7＝0.8×0.07＝
二、列竖式计算。
0.41×0.091.6×0.20.64×7.54.2×8.44
1.9×0.49.6×0.920.41×8.46.8×85.9
6.8×0.044.3×0.470.48×0.95.9×5.32
0.79×0.31.9×0.261×0.820.4×3.6
一、口算。
0.7×6＝9×0.7＝0.07×100＝81.8÷10＝
6×100＝0.07×0.02＝0.004×0.08＝1.6×20＝
0.3×4＝7×0.7＝0.04×10＝96.7÷1000＝
87.8×10＝90×0.07＝0.7×0.06＝0.05×300＝
二、列竖式计算。
0.49×0.21.8×0.730.98×90.7×6.12
0.89×0.80.93×0.330.18×0.361.6×41.5
94×0.51.7×4.30.81×3.50.94×87.8
2.9×0.29.7×0.565.7×0.7876×0.6
一、口算。
0.4×8＝6×0.5＝0.007×100＝0.144÷10＝
33.9×1000＝70×0.09＝0.06×7＝0.9×400＝
0.7×9＝7×0.2＝0.01×1000＝54.6÷10＝
0.508×100＝20×0.6＝0.06×0.06＝1.2×70＝
二、列竖式计算。
6.8×0.25.5×0.678.2×0.563.3×66.1
4.2×0.050.39×0.650.7×4.10.49×5.65
5500×0.034×0.575.6×0.122.1×8.55
0.33×0.50.9×0.330.61×0.121.39×0.91
一、口算。
0.3×6＝8×0.7＝0.9×1000＝6.53÷1000＝
15.9×10＝60×0.3＝0.01×60＝1.9×0.05＝
0.4×3＝8×0.7＝0.03×10＝0.198÷1000＝
7.23×1000＝20×0.04＝0.001×0.4＝1.1×90＝
二、列竖式计算。
5.5×0.050.61×2.50.13×0.845.3×46.1
0.98×0.020.25×0.81.3×0.780.41×18.3
8600×0.070.49×1.82.3×0.670.47×1.52
0.92×0.48.7×0.882.9×8.736.6×6.8
一、口算。
0.9×9＝6×0.9＝0.06×100＝0.81÷100＝
0.668×100＝0.02×0.06＝0.007×0.7＝2×500＝
0.5×6＝2×0.8＝0.009×10＝0.096÷10＝
3.9×1000＝60×0.04＝0.04×0.03＝0.5×0.2＝
二、列竖式计算。
0.95×0.066×0.10.57×0.330.98×97
6.8×0.097.4×0.550.7×0.616.8×4.11
730×0.060.72×0.577.9×32.1×2.65
0.66×0.69×0.465.7×5.18.57×5.8
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