北师大版四年级数学下册小数乘法专项练习题78.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78
二、列竖式计算。
2.1×0.50.4×3.90.63×0.340.29×45.9
0.82×0.73.1×0.239.7×8.61.1×51.8
三、计算。
56×1.4＋0.060.6＋36×0.24＋0.46＋66
0.4×45＋0.4×5512.5×8.6×0.2
5.4×0.7－2.3×0.3700－6.1－43.9
一、口算。
0.3×7＝2×0.9＝0.4×10＝83.7÷1000＝
0.708×1000＝3×0.03＝0.002×70＝0.12×0.6＝
二、列竖式计算。
6.6×0.50.11×0.654.4×0.490.1×6.79
0.41×0.80.6×9.15.6×0.165.5×75.5
三、计算。
91×95＋0.084.4＋0.73×52.4＋5.8＋7.6
0.44×51＋0.44×49125×0.89×0.08
0.68×0.06＋0.28×0.023100－2.4－47.6
一、口算。
0.6×8＝2×0.7＝0.09×100＝6.7÷10＝
91.6×1000＝3×0.05＝0.1×70＝0.04×0.03＝
二、列竖式计算。
5.4×0.40.15×0.412.4×0.129.9×2.64
0.13×0.096×4.29.5×0.270.45×3.05
三、计算。
70×0.99＋0.050.25＋0.88×93.9＋0.53＋76.1
8.8×84＋8.8×1625×1.4×0.08
7.2×0.8＋4.3×0.4350－0.4－9.6
一、口算。
0.7×3＝9×0.9＝0.006×1000＝76.7÷100＝
0.364×1000＝1×0.02＝0.07×3＝0.6×0.7＝
二、列竖式计算。
0.43×0.68.3×50.13×39.9×6.77
0.55×0.74.5×0.530.74×0.512.6×7.65
三、计算。
3×0.66＋0.15.3＋52×0.20.78＋0.7＋2.22
9.9×9.3＋9.9×0.712.5×7.8×0.08
0.81×0.05＋0.1×0.047800－0.76－2.24
一、口算。
0.2×3＝7×0.6＝0.6×1000＝0.452÷1000＝
65.4×10＝0.3×0.7＝0.004×3＝0.17×0.3＝
二、列竖式计算。
3.5×0.045.3×0.231.5×5.75.2×6.61
0.98×0.080.58×9.90.89×3.17.4×81.7
三、计算。
0.42×86＋0.122.3＋0.89×75.3＋6.2＋84.7
0.45×0.29＋0.45×0.710.05×0.55×8
0.97×0.07＋0.4×0.05760－9.8－90.2
一、口算。
0.4×2＝6×0.8＝0.9×10＝1.64÷10＝
95.9×10＝0.1×0.7＝0.03×0.03＝0.6×60＝
二、列竖式计算。
8.2×0.90.23×1.41.2×7.28.6×5.55
4.9×0.052×0.227.7×0.630.95×68.2
三、计算。
99×27＋1.20.74＋9.9×94.1＋0.67＋75.9
0.63×2.3＋0.63×7.712.5×0.3×0.08
5.6×0.8－2×0.5370－2.2－47.8
一、口算。
0.2×9＝9×0.8＝0.5×1000＝0.37÷10＝
0.368×1000＝0.05×0.3＝0.7×70＝0.2×500＝
二、列竖式计算。
0.56×0.66.9×80.42×7.86.6×5.65
0.13×0.95.5×6.72.8×0.550.11×9.09
三、计算。
41×70＋0.60.33＋6.9×0.30.8＋0.98＋3.2
0.53×0.56＋0.53×0.44125×0.64×8
0.83×0.07－0.12×0.02470－0.3－2.7
一、口算。
0.5×3＝7×0.3＝0.8×100＝0.748÷10＝
0.339×1000＝10×0.03＝0.08×4＝0.7×2＝
二、列竖式计算。
0.43×0.87.3×0.791.2×7.60.26×3.91
3.1×0.70.21×6.70.15×0.960.74×81.7
三、计算。
88×0.47＋0.068.5＋1.5×0.30.26＋1.5＋3.74
0.27×77＋0.27×231.25×9.4×0.04
0.64×0.08－0.38×0.057500－0.59－4.41
一、口算。
0.2×7＝7×0.5＝0.3×100＝9.62÷10＝
0.308×100＝30×0.8＝0.003×50＝0.01×500＝
二、列竖式计算。
1.9×0.026.1×0.722.4×8.78.3×89.5
0.47×0.020.67×7.83.2×56.8×1.16
三、计算。
6.9×5＋0.60.63＋7.7×0.95.4＋3.8＋54.6
0.82×16＋0.82×84125×62×0.2
0.96×0.09－0.27×0.02150－5.6－44.4
一、口算。
0.6×4＝3×0.3＝0.8×10＝0.743÷100＝
4.24×10＝0.09×0.07＝0.003×40＝1×500＝
二、列竖式计算。
3.4×0.31.6×9.10.55×7.92.6×29.5
0.54×0.052×0.432.6×0.921.7×8.01
三、计算。
21×3＋0.10.42＋4.5×0.40.31＋0.22＋3.69
4.9×1.3＋4.9×8.70.05×7.1×0.08
9.1×0.8＋1×0.2350－5.5－64.5
一、口算。
0.5×6＝7×0.5＝0.003×1000＝9.44÷1000＝
0.733×100＝0.6×0.8＝0.06×0.6＝0.16×0.09＝
二、列竖式计算。
5.3×0.60.42×6.60.58×0.890.56×49.3
6.6×0.040.84×0.552.6×4.99.6×67.5
三、计算。
0.8×9.6＋0.54.8＋0.64×80.47＋7.5＋9.53
0.48×0.48＋0.48×0.525×16×0.04
0.78×0.07＋0.33×0.056100－0.89－0.11
一、口算。
0.5×5＝4×0.3＝0.09×100＝1.9÷100＝
8.09×1000＝10×0.9＝0.01×0.2＝0.6×20＝
二、列竖式计算。
2.8×0.037.5×0.157.1×0.240.75×35.5
6.6×0.083.8×0.273.6×0.520.37×3.98
三、计算。
72×0.21＋0.073.4＋0.94×0.80.41＋6.3＋7.59
6.6×0.65＋6.6×0.350.05×0.83×0.8
0.8×0.08＋0.11×0.03940－0.27－3.73
一、口算。
0.2×6＝9×0.4＝0.06×10＝0.575÷100＝
0.98×100＝0.2×0.09＝0.09×0.02＝0.1×0.06＝
二、列竖式计算。
0.22×0.098.7×63.2×0.388.5×67.9
0.27×0.055.1×0.240.34×1.50.7×41.1
三、计算。
1.5×16＋0.128.6＋0.37×0.30.89＋0.93＋3.11
0.34×51＋0.34×495×5.5×0.08
7×0.5＋4.4×0.2470－0.68－6.32
一、口算。
0.6×8＝9×0.4＝0.003×1000＝13.7÷10＝
0.304×10＝0.06×0.04＝0.9×0.5＝1.3×20＝
二、列竖式计算。
0.78×0.89.6×58.9×0.90.42×5.71
9.4×0.087.3×2.50.49×4.48.7×3.17
三、计算。
0.72×67＋0.59.4＋71×0.50.32＋4.6＋0.68
0.11×81＋0.11×1912.5×4.1×8
0.71×0.06＋0.18×0.059400－6.1－93.9
一、口算。
0.7×5＝4×0.6＝0.09×10＝0.74÷100＝
24.9×100＝0.5×0.08＝0.04×3＝0.12×20＝
二、列竖式计算。
4.3×0.27.7×9.86.3×3.50.7×26.9
3.4×0.070.73×6.90.45×2.62.6×82.7
三、计算。
19×62＋0.10.29＋37×0.82.1＋2.9＋7.9
8.3×0.33＋8.3×0.6712.5×1.1×0.02
0.53×0.06＋0.46×0.047600－2.6－77.4
一、口算。
0.7×4＝2×0.6＝0.003×100＝2.12÷1000＝
41.9×10＝8×0.6＝0.1×3＝1×50＝
二、列竖式计算。
3.8×0.60.87×0.225.2×0.635.3×46.1
0.39×0.052.9×6.20.91×1.78.5×13
三、计算。
69×0.88＋0.070.76＋5.8×0.31.1＋0.5＋98.9
4.7×84＋4.7×1612.5×7.8×4
0.99×0.05＋0.49×0.021500－0.36－3.64
一、口算。
0.4×2＝6×0.4＝0.9×100＝0.211÷1000＝
0.965×1000＝10×0.5＝0.2×0.04＝0.04×0.04＝
二、列竖式计算。
8.5×0.20.69×1.50.85×7.11.3×1.81
3.3×0.90.8×3.90.91×0.997.3×3.27
三、计算。
90×0.9＋1.20.2＋75×0.70.61＋6.8＋4.39
0.26×1.8＋0.26×8.20.25×7.7×0.08
6.1×0.8＋1.7×0.37200－5.9－94.1
一、口算。
0.7×5＝8×0.4＝0.06×100＝2.61÷10＝
0.912×100＝0.09×0.2＝0.03×80＝0.6×5＝
二、列竖式计算。
0.71×0.70.62×4.40.97×0.299.4×7.79
0.85×0.41×0.790.22×0.527.1×28.2
三、计算。
0.01×7.3＋1.15.6＋61×0.60.12＋0.51＋5.88
0.88×28＋0.88×720.05×0.99×0.8
0.7×0.09＋0.24×0.02120－0.51－0.49
一、口算。
0.8×8＝5×0.4＝0.09×100＝10.3÷10＝
0.239×10＝60×0.4＝0.4×200＝1.9×0.03＝
二、列竖式计算。
0.86×0.63.3×0.459.4×0.792×36.7
0.87×0.091.5×9.10.26×0.334×1.22
三、计算。
7.1×93＋1.10.95＋22×0.34.1＋4.2＋55.9
3.7×93＋3.7×7125×2.6×2
0.88×0.05－0.27×0.055400－0.15－6.85
一、口算。
0.5×2＝8×0.5＝0.3×10＝0.77÷100＝
0.746×1000＝0.01×0.5＝0.05×4＝0.06×0.4＝
二、列竖式计算。
7.3×0.040.59×9.57.5×1.10.51×4.88
8.9×0.89×2.70.93×33.5×3.76
三、计算。
0.55×0.2＋0.118.9＋0.78×0.50.49＋0.34＋3.51
0.9×4.9＋0.9×5.10.25×2.5×8
0.81×0.09－0.23×0.027200－0.32－6.68
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