北师大版四年级数学下册小数乘法综合练习题47.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47.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47
一、口算。
0.4×6=7×0.7=0.1×100=31÷1000=
0.796×10=90×0.6=0.8×3=0.5×0.04=
0.8×5=8×0.6=0.004×1000=0.499÷10=
9.59×10=3×0.03=0.08×200=0.1×0.9=
二、列竖式计算。
4.6×0.60.77×5.30.97×4.30.95×6.88
4.6×0.053×21.7×0.164.9×3.48
6900×0.066.8×0.60.34×0.213×16.7
0.56×0.087.4×1.16.3×0.494.33×2.4
一、口算。
0.2×2=4×0.3=0.7×1000=0.11÷100=
54×1000=0.08×0.07=0.004×4=0.1×9=
0.3×4=6×0.4=0.06×100=6.86÷10=
9.28×100=0.4×0.02=0.5×0.05=0.11×0.04=
二、列竖式计算。
7.2×0.70.6×0.60.17×0.470.1×8.23
4.1×0.90.64×7.20.58×7.30.68×12
4.8×0.063.4×0.850.75×0.430.82×7.51
9.2×0.40.87×6.35.9×0.6843.7×8.8
一、口算。
0.7×7=5×0.8=0.07×1000=0.56÷1000=
93.1×1000=0.8×0.4=0.004×60=1.9×0.8=
0.1×7=3×0.7=0.006×10=7.26÷1000=
0.525×10=0.02×0.7=0.3×0.7=1.5×0.8=
二、列竖式计算。
0.55×0.050.22×0.277.3×7.46.9×5.1
0.18×0.24.5×0.140.8×0.560.71×8.43
4800×0.60.85×0.874.9×0.380.5×3.15
0.46×0.060.31×0.123.9×2.425.9×0.67
一、口算。
0.1×9=4×0.6=0.03×10=5.45÷100=
72.9×10=0.08×0.08=0.06×800=0.5×0.2=
0.8×7=8×0.7=0.2×1000=6.25÷1000=
0.875×100=0.5×0.5=0.009×70=0.14×0.3=
二、列竖式计算。
0.22×0.080.5×0.232.2×0.820.56×4.65
5.9×0.74.5×1.43.3×9.98.5×52
2.4×0.80.59×7.80.76×4.30.4×1.72
3.9×0.030.32×0.410.16×0.9915.1×0.32
一、口算。
0.9×9=6×0.8=0.2×1000=7.28÷10=
11.3×10=0.02×0.03=0.05×9=0.04×0.08=
0.8×6=3×0.3=0.06×1000=5.53÷100=
0.093×10=0.06×0.4=0.8×400=0.13×0.7=
二、列竖式计算。
8.6×0.030.21×0.20.13×2.68.7×42.1
7.7×0.083.4×6.20.55×0.630.42×88.1
0.47×0.090.21×7.75.4×9.85.7×38.6
0.13×0.86.8×5.58.2×9.35.08×4.7
一、口算。
0.7×6=6×0.8=0.2×10=3.9÷100=
27.3×100=5×0.07=0.004×300=0.03×400=
0.8×9=7×0.8=0.04×10=4.5÷1000=
85.7×10=50×0.5=0.7×900=0.9×7=
二、列竖式计算。
0.86×0.020.73×3.28×6.78.8×5.21
0.49×0.027.7×0.488.9×6.50.33×4.79
86×0.040.73×30.54×7.90.91×8.78
6.9×0.050.87×0.190.63×0.556.56×2.1
一、口算。
0.1×7=2×0.7=0.006×1000=3.9÷10=
0.25×100=8×0.08=0.03×5=1.7×20=
0.7×6=7×0.5=0.004×1000=26÷1000=
1.8×100=0.05×0.06=0.2×50=1.9×0.06=
二、列竖式计算。
1.8×0.51×3.46.5×7.59.6×5
6.1×0.60.68×0.370.61×2.42.3×94
5.7×0.96.8×9.92.4×3.20.39×82.4
0.39×0.30.75×1.85.9×0.472.62×2.3
一、口算。
0.1×8=5×0.5=0.8×10=0.078÷1000=
0.738×1000=30×0.6=0.1×70=0.16×9=
0.5×9=6×0.7=0.004×10=0.455÷1000=
76.9×1000=0.01×0.5=0.04×60=0.2×700=
二、列竖式计算。
2.9×0.060.21×9.50.93×0.337.5×7.11
6.9×0.43.5×0.840.67×8.80.73×2.72
9.6×0.67.1×0.90.66×0.830.84×22.9
9.3×0.60.41×7.59×2.17.55×3.9
一、口算。
0.2×9=5×0.9=0.03×10=2.94÷10=
9.17×10=90×0.7=0.02×500=1×0.2=
0.5×5=5×0.9=0.02×100=6.97÷100=
0.181×100=0.3×0.7=0.03×7=1.1×200=
二、列竖式计算。
0.71×0.030.25×4.88.5×0.970.25×6.18
0.42×0.040.7×2.29.7×0.632.6×64.9
0.91×0.068.6×0.711.3×5.30.89×9.76
0.13×0.47.9×60.36×0.5198×1.2
一、口算。
0.1×4=4×0.9=0.05×1000=3.5÷10=
85.8×100=7×0.5=0.09×0.05=1.7×800=
0.6×5=2×0.4=0.7×1000=0.523÷10=
0.779×100=0.07×0.6=0.09×500=0.19×0.04=
二、列竖式计算。
3.6×0.020.64×9.96.2×9.16.2×8.82
1.3×0.23.3×20.24×0.911.1×55.6
64×0.40.95×83.7×7.17.7×5.87
0.99×0.099.3×2.50.98×0.5667.8×3.2
一、口算。
0.7×6=3×0.2=0.06×10=0.135÷100=
0.555×10=6×0.9=0.5×0.07=0.03×0.6=
0.9×3=9×0.4=0.7×1000=0.415÷10=
6.53×10=0.08×0.3=0.8×0.02=0.4×900=
二、列竖式计算。
3.1×0.69.1×0.914.8×0.790.1×19.3
0.81×0.60.17×0.32.5×0.311.6×5.75
920×0.80.55×90.64×0.70.21×4.93
9.6×0.90.51×0.540.69×6.583.8×4.8
一、口算。
0.9×5=8×0.7=0.9×1000=3.72÷10=
6.82×1000=5×0.3=0.01×0.8=1.5×3=
0.1×2=2×0.2=0.006×100=54.9÷10=
83.3×1000=0.01×0.05=0.2×0.4=0.09×300=
二、列竖式计算。
0.45×0.40.8×64×7.59.8×78.8
0.72×0.029.2×0.130.53×8.17.1×90.2
6600×0.020.7×6.20.83×0.754.2×7.61
0.78×0.99.2×7.70.28×0.3179.7×0.17
一、口算。
0.6×3=3×0.8=0.5×1000=0.802÷100=
3.94×1000=0.5×0.06=0.02×0.08=0.3×0.6=
0.7×7=4×0.7=0.04×100=50.9÷1000=
0.13×100=40×0.03=0.04×70=0.2×2=
二、列竖式计算。
7.7×0.68.7×4.70.43×7.26.3×92.6
9.4×0.050.7×0.520.82×0.140.23×50.4
750×0.30.15×3.70.27×6.30.43×52.7
7.8×0.028.1×4.19.2×4.517.6×0.57
一、口算。
0.9×4=4×0.7=0.6×100=0.08÷10=
0.655×10=30×0.04=0.002×50=0.5×200=
0.2×7=7×0.2=0.4×10=0.728÷10=
0.119×1000=9×0.07=0.04×5=0.2×400=
二、列竖式计算。
4.7×0.80.83×7.18.9×20.42×3.49
6.7×0.022.1×0.568.9×0.170.21×33.4
340×0.024.6×9.70.77×10.71×67.1
0.77×0.037.4×6.69×7.36.87×0.15
一、口算。
0.8×9=7×0.4=0.4×10=3.92÷10=
2.18×100=0.05×0.09=0.001×6=1.8×0.07=
0.8×8=8×0.4=0.002×100=6.26÷100=
16.2×100=0.06×0.08=0.07×4=0.19×300=
二、列竖式计算。
0.19×0.80.38×0.391.4×0.190.98×1.41
9.8×0.40.66×0.924.1×0.345.6×63.5
510×0.040.46×8.48.3×0.881.5×5.75
0.81×0.20.76×1.50.13×0.2783.3×1.1
一、口算。
0.8×2=9×0.9=0.8×1000=40.5÷10=
0.182×10=10×0.4=0.03×400=0.5×600=
0.2×2=6×0.8=0.004×100=0.143÷10=
0.913×10=0.02×0.07=0.6×9=0.15×80=
二、列竖式计算。
0.71×0.040.54×0.10.22×0.410.11×95.1
3.8×0.045.4×0.330.85×0.949.5×3.37
96×0.045.8×0.120.6×0.770.67×9.82
0.44×0.74.7×2.90.64×0.724.38×0.97
一、口算。
0.4×7=4×0.6=0.005×10=0.594÷1000=
1.27×1000=0.5×0.8=0.1×7=0.7×20=
0.6×4=2×0.8=0.08×100=3.71÷1000=
45.1×100=0.08×0.2=0.01×0.05=0.1×0.03=
二、列竖式计算。
3.1×0.38×0.550.15×1.79.1×8.34
0.65×0.032.9×0.633×0.771.4×73
270×0.092.6×5.80.95×7.32.1×3.12
7.1×0.90.39×0.298.9×1.559.5×1.1
一、口算。
0.3×8=6×0.2=0.7×10=0.151÷100=
0.915×1000=3×0.8=0.07×0.08=1.1×8=
0.5×6=7×0.6=0.7×10=0.4÷100=
3.55×10=60×0.06=0.2×0.2=0.05×0.6=
二、列竖式计算。
0.61×0.064.3×4.10.64×9.51.7×14.2
7.1×0.43.5×0.555.9×0.190.7×9.82
0.13×0.080.56×0.30.66×8.69.5×80.5
0.13×0.044.6×3.30.93×0.155.89×0.73
一、口算。
0.6×9=5×0.5=0.5×10=0.422÷1000=
0.352×1000=4×0.08=0.009×400=0.9×0.8=
0.1×2=5×0.5=0.009×100=0.746÷1000=
94.3×10=0.06×0.03=0.9×0.8=0.9×8=
二、列竖式计算。
0.13×0.050.64×0.350.58×8.10.87×4.78
0.26×0.055.4×0.520.5×0.770.32×52
9700×0.77.4×0.52.7×3.34.6×31.8
7.2×0.084.2×8.70.81×1.37.59×5.9
一、口算。
0.9×2=6×0.5=0.9×1000=0.094÷1000=
4.67×1000=0.5×0.05=0.8×0.6=0.16×0.9=
0.8×7=8×0.5=0.005×100=7.22÷100=
0.995×10=6×0.04=0.001×0.5=0.13×80=
二、列竖式计算。
7.6×0.040.29×0.253.6×47.2×9.73
0.24×0.99.9×7.14.5×7.46.3×4.85
370×0.50.31×1.50.57×0.610.57×3.02
8.4×0.030.89×0.790.3×4.34.48×0.63
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