北师大版四年级数学下册小数乘法专项练习题125.docx
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北师大版四年级数学下册小数乘法专项练习题125
一、口算。
0.4×3＝8×0.5＝0.1×100＝15.4÷1000＝
82.6×10＝0.02×0.7＝0.008×500＝0.01×6＝
二、列竖式计算。
0.53×0.72×0.310.19×2.64.6×93.5
0.94×0.60.35×8.99.9×0.797.7×3.91
三、计算。
92×0.58＋1.26.6＋9.4×70.39＋0.99＋6.61
5.7×78＋5.7×225×0.53×0.2
9.6×0.6＋2.7×0.2780－9.5－50.5
一、口算。
0.6×5＝9×0.6＝0.003×1000＝6.7÷1000＝
78×10＝0.06×0.02＝0.02×6＝0.2×70＝
二、列竖式计算。
0.86×0.025.6×0.370.12×0.928.1×4.94
0.24×0.30.91×9.26.5×0.560.92×89.9
三、计算。
2×0.78＋0.090.62＋37×0.63.8＋7.6＋26.2
0.79×0.83＋0.79×0.175×38×0.8
0.78×0.06＋0.42×0.03520－0.66－5.34
一、口算。
0.8×8＝9×0.2＝0.008×10＝66.9÷1000＝
16.9×10＝50×0.8＝0.004×7＝1×40＝
二、列竖式计算。
0.31×0.60.13×0.596×9.65.6×7.49
3.5×0.53.7×0.670.35×0.658.1×25.8
三、计算。
2×9.8＋0.80.76＋3.4×0.48.4＋8.2＋71.6
2×0.15＋2×0.850.25×6.1×0.4
0.97×0.06－0.26×0.053800－7－43
一、口算。
0.7×6＝5×0.3＝0.007×1000＝2.14÷10＝
0.949×10＝20×0.06＝0.007×0.04＝0.3×80＝
二、列竖式计算。
4.7×0.50.76×0.850.22×3.49.5×8.75
7.9×0.99.8×6.46.9×0.520.82×69.6
三、计算。
39×0.65＋0.60.49＋23×59.8＋1.4＋60.2
9.3×52＋9.3×480.25×8.3×0.04
0.68×0.05－0.44×0.03160－0.57－0.43
一、口算。
0.1×7＝7×0.9＝0.009×10＝0.815÷10＝
6×10＝0.6×0.03＝0.2×400＝0.03×9＝
二、列竖式计算。
0.81×0.050.81×0.424.7×4.20.21×5.48
0.98×0.60.93×40.92×2.60.52×73.8
三、计算。
1.9×43＋1.10.81＋0.49×0.60.9＋9.8＋9.1
5.7×1.5＋5.7×8.50.05×0.04×0.2
0.57×0.08＋0.47×0.022900－0.52－7.48
一、口算。
0.8×4＝7×0.2＝0.002×10＝6.57÷10＝
53.9×10＝90×0.07＝0.002×600＝0.9×300＝
二、列竖式计算。
0.37×0.50.27×9.20.92×0.863.5×59.6
7.2×0.068.8×2.60.8×40.34×15.4
三、计算。
4.6×0.64＋0.050.71＋0.36×53.4＋0.33＋26.6
2.2×79＋2.2×210.05×76×0.2
5.2×0.5－1.8×0.29100－5.5－54.5
一、口算。
0.5×7＝4×0.8＝0.3×100＝6.5÷100＝
62.2×10＝0.5×0.5＝0.3×20＝0.08×2＝
二、列竖式计算。
2.1×0.90.55×0.416.7×0.560.73×77
7.3×0.33.1×0.551.7×8.83.3×51
三、计算。
0.52×0.88＋0.90.27＋8.8×52.4＋0.62＋37.6
0.11×0.57＋0.11×0.432.5×42×2
5.3×0.5－1.6×0.22900－3.7－26.3
一、口算。
0.4×5＝7×0.8＝0.8×10＝37.3÷10＝
7.53×100＝0.4×0.08＝0.004×7＝0.03×50＝
二、列竖式计算。
0.67×0.23.8×0.490.32×7.81.1×5.99
9.9×0.83.8×8.10.75×0.117.6×2.32
三、计算。
0.23×0.66＋10.26＋0.81×0.96.6＋0.6＋3.4
0.57×9.8＋0.57×0.25×0.01×0.2
0.6×0.07－0.42×0.03830－0.36－4.64
一、口算。
0.7×2＝4×0.8＝0.005×10＝0.347÷1000＝
2.24×10＝0.03×0.05＝0.07×800＝0.19×400＝
二、列竖式计算。
0.21×0.069.1×5.10.36×0.313.2×7.6
0.66×0.28.1×2.30.7×6.21×41.1
三、计算。
49×0.13＋0.090.23＋8.1×0.39.3＋0.5＋50.7
0.48×0.57＋0.48×0.4325×0.22×0.8
0.99×0.06－0.12×0.04580－0.75－3.25
一、口算。
0.3×4＝9×0.5＝0.008×10＝4.59÷1000＝
5.68×10＝1×0.6＝0.1×800＝0.3×0.6＝
二、列竖式计算。
0.31×0.075.9×1.60.13×50.41×91.3
6.2×0.060.42×0.390.29×4.40.92×76.6
三、计算。
81×76＋0.050.61＋30×0.32.4＋8.3＋37.6
0.67×0.88＋0.67×0.120.25×0.98×0.2
0.86×0.09＋0.23×0.02730－0.89－4.11
一、口算。
0.7×8＝6×0.6＝0.05×1000＝4.81÷1000＝
0.626×100＝0.3×0.6＝0.9×0.2＝1.9×50＝
二、列竖式计算。
0.64×0.70.13×8.30.14×2.62.9×7.43
2.8×0.070.5×8.59.1×0.12×43
三、计算。
7×32＋0.095＋0.76×98.7＋9.5＋61.3
9.2×7＋9.2×30.25×9.6×2
0.99×0.08－0.46×0.053100－4.8－95.2
一、口算。
0.6×6＝3×0.6＝0.001×10＝48.1÷1000＝
34×10＝0.4×0.5＝0.5×0.2＝0.8×80＝
二、列竖式计算。
0.33×0.95.1×0.480.37×4.80.35×67.9
0.24×0.51.4×0.620.46×6.70.28×7
三、计算。
83×92＋0.85.2＋47×68.3＋3.8＋71.7
9.7×0.82＋9.7×0.182.5×1×2
5.5×0.9＋3.9×0.3400－0.54－1.46
一、口算。
0.8×9＝3×0.6＝0.01×10＝0.511÷100＝
0.29×100＝30×0.7＝0.08×0.02＝0.15×700＝
二、列竖式计算。
0.47×0.054.7×0.220.95×6.90.64×31.9
0.63×0.030.44×3.60.77×0.277.6×57.4
三、计算。
4×58＋0.115.1＋25×0.64.2＋0.26＋35.8
3.5×7.5＋3.5×2.525×0.1×0.02
8.5×0.5＋2.6×0.35400－0.17－4.83
一、口算。
0.8×7＝3×0.8＝0.07×1000＝0.903÷100＝
0.885×1000＝0.05×0.09＝0.07×0.04＝1.9×0.07＝
二、列竖式计算。
0.92×0.075.5×0.851.9×0.910.16×94
1.1×0.050.88×8.30.89×9.60.29×81.4
三、计算。
0.81×71＋10.5＋62×60.73＋8.7＋3.27
0.45×83＋0.45×171.25×1.8×2
8.6×0.5－4.7×0.2720－9.4－10.6
一、口算。
0.3×7＝4×0.4＝0.4×10＝35.2÷100＝
84.7×100＝0.07×0.4＝0.006×400＝0.19×0.7＝
二、列竖式计算。
0.95×0.083.3×0.41.5×10.79×14.8
0.32×0.30.55×1.91.5×5.69.8×4.77
三、计算。
5.1×11＋0.110.56＋82×35.5＋2.5＋74.5
0.7×0.52＋0.7×0.482.5×7.3×0.04
7.8×0.6－1.7×0.5210－7.9－12.1
一、口算。
0.6×2＝3×0.2＝0.2×10＝2.38÷100＝
0.184×10＝2×0.2＝0.09×0.07＝2×0.4＝
二、列竖式计算。
3.9×0.073×4.12.5×0.17.7×51.8
3.4×0.75.7×3.44.2×3.97.6×58.3
三、计算。
13×8.5＋0.054.5＋53×0.44＋0.54＋16
0.85×8.1＋0.85×1.90.5×29×2
0.65×0.05－0.11×0.023300－5.4－84.6
一、口算。
0.5×2＝3×0.5＝0.009×10＝5.83÷1000＝
0.491×10＝40×0.07＝0.02×600＝0.5×0.08＝
二、列竖式计算。
6.6×0.045.1×0.922.8×0.380.19×55.2
1.2×0.030.44×3.79×0.780.73×6.55
三、计算。
0.7×0.07＋1.20.52＋7.7×0.90.15＋0.86＋4.85
0.77×0.17＋0.77×0.8312.5×0.25×0.08
7.6×0.9＋4×0.32000－0.77－4.23
一、口算。
0.1×5＝4×0.8＝0.001×1000＝5.3÷1000＝
0.993×10＝0.09×0.05＝0.1×0.8＝0.08×400＝
二、列竖式计算。
6.9×0.60.74×0.416.9×1.40.73×31.4
3.3×0.91.8×4.16.9×32.5×94.6
三、计算。
5×1.4＋0.089.3＋0.67×54.6＋0.48＋35.4
2.4×0.22＋2.4×0.780.05×6.9×0.08
0.6×0.08＋0.11×0.03460－3.9－36.1
一、口算。
0.9×5＝4×0.9＝0.04×10＝0.873÷1000＝
0.991×1000＝0.01×0.05＝0.009×0.08＝1.6×0.9＝
二、列竖式计算。
9.2×0.40.53×1.76.5×3.30.98×17.1
0.36×0.020.24×0.111.2×0.170.54×70.9
三、计算。
20×69＋0.89.7＋1.4×0.48.2＋0.6＋61.8
0.45×59＋0.45×412.5×0.55×0.2
5.7×0.7＋1.2×0.52300－7－63
一、口算。
0.4×9＝6×0.8＝0.4×10＝9.09÷1000＝
1.08×10＝0.01×0.5＝0.008×500＝0.6×5＝
二、列竖式计算。
6.6×0.083×4.10.18×0.973.4×30.2
0.44×0.045.5×6.78.8×9.13.1×6.31
三、计算。
0.17×0.38＋0.70.43＋4.4×20.3＋0.12＋2.7
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