北师大版四年级数学下册小数乘法综合练习题170.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170.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170
一、口算。
0.8×3=4×0.8=0.8×10=0.479÷100=
56.8×1000=0.3×0.02=0.5×3=0.08×0.08=
0.8×2=9×0.8=0.1×100=5.8÷100=
0.658×10=70×0.2=0.003×6=0.18×70=
二、列竖式计算。
1.3×0.070.21×0.247.5×6.80.99×6.5
0.16×0.86.7×0.770.47×5.80.75×4.18
4900×0.081.6×9.36×0.571.5×18.8
0.11×0.51.3×0.660.59×0.258.19×4.4
一、口算。
0.5×5=5×0.2=0.02×1000=0.93÷10=
0.822×1000=0.6×0.06=0.5×0.03=0.16×0.8=
0.7×8=3×0.7=0.008×100=3.85÷100=
5.73×10=0.8×0.8=0.9×8=0.08×400=
二、列竖式计算。
7.9×0.80.13×0.390.12×0.540.57×8.32
7.5×0.72.8×9.20.25×0.550.62×47.6
56×0.067×4.40.92×3.78×3.68
0.36×0.50.43×0.943×0.2988.9×4.7
一、口算。
0.7×3=3×0.5=0.8×1000=81÷100=
7.31×100=0.03×0.5=0.03×40=0.11×300=
0.2×9=4×0.3=0.009×10=25÷100=
0.87×100=0.08×0.06=0.001×3=1.6×40=
二、列竖式计算。
3.4×0.074.4×3.77.8×0.362.2×78.2
0.38×0.50.8×40.78×3.75.8×1.35
0.65×0.69.8×0.220.44×0.787×5.33
2.2×0.40.64×0.150.34×0.749.57×0.91
一、口算。
0.9×2=5×0.7=0.007×100=2.87÷10=
83.1×100=9×0.07=0.01×40=0.07×300=
0.9×3=3×0.6=0.9×100=2.5÷1000=
6.8×1000=1×0.8=0.004×20=1.9×9=
二、列竖式计算。
1.4×0.42.6×5.10.72×7.65×69.1
0.31×0.50.15×0.995.2×0.380.23×5.79
8.8×0.055.2×2.65.7×8.80.72×89
0.87×0.58.3×0.570.62×0.8251×3.7
一、口算。
0.5×9=9×0.2=0.7×1000=1.59÷1000=
0.599×10=7×0.02=0.02×0.05=0.4×0.9=
0.8×5=4×0.9=0.2×100=24.5÷1000=
31.7×10=0.05×0.03=0.2×8=0.3×60=
二、列竖式计算。
0.81×0.050.58×0.558.6×0.387.8×35.6
0.58×0.071.1×70.33×0.560.3×6.15
33×0.086.1×0.540.98×3.60.84×3.98
1.3×0.040.63×9.50.72×0.151.96×8.2
一、口算。
0.6×9=3×0.9=0.8×1000=15.3÷10=
15.4×100=20×0.02=0.1×0.8=1.4×30=
0.1×9=5×0.8=0.005×10=9.24÷100=
5.98×100=0.3×0.4=0.003×0.09=0.02×2=
二、列竖式计算。
5.1×0.050.15×5.86.8×0.972×34
5.4×0.040.29×0.736.8×32.7×70
6.6×0.33×0.186.8×0.189.4×86.5
0.17×0.023.7×2.34.3×0.339.18×5.8
一、口算。
0.7×4=3×0.7=0.001×10=56.2÷100=
0.373×100=7×0.03=0.006×200=0.04×800=
0.9×9=7×0.5=0.01×1000=0.429÷1000=
73.9×10=20×0.4=0.03×0.08=1.4×800=
二、列竖式计算。
0.63×0.20.39×0.129.8×5.80.7×3.86
0.28×0.50.39×4.92.1×5.40.78×55.8
34×0.083×0.678.6×3.88.6×70.6
0.19×0.080.56×4.89.9×0.2738.8×0.85
一、口算。
0.3×9=3×0.9=0.2×100=7.36÷100=
2.39×100=90×0.04=0.006×20=0.19×60=
0.8×9=7×0.4=0.001×1000=0.603÷100=
0.842×10=0.4×0.4=0.5×200=1.4×0.05=
二、列竖式计算。
0.28×0.030.36×0.994.7×0.594.9×12.4
0.79×0.049.5×4.34.8×0.520.93×10.3
31×0.041.1×66.5×50.77×7.11
0.21×0.40.72×0.982.1×0.1494.7×6.8
一、口算。
0.6×6=9×0.3=0.02×100=90÷100=
8.98×10=0.03×0.08=0.05×60=1.4×0.9=
0.7×5=7×0.3=0.08×1000=0.473÷1000=
0.691×10=0.06×0.05=0.009×60=0.04×0.08=
二、列竖式计算。
9.9×0.070.25×5.80.86×0.710.28×77
3.6×0.090.64×0.31×9.40.46×38.5
4400×0.042.1×2.50.1×5.21.2×47.5
7.3×0.36.4×0.939.9×6.837.7×0.28
一、口算。
0.2×7=3×0.6=0.004×100=96.8÷10=
7.75×10=20×0.05=0.01×80=0.14×80=
0.6×8=6×0.3=0.3×100=0.842÷1000=
0.897×100=1×0.7=0.005×900=0.17×3=
二、列竖式计算。
0.12×0.29.7×0.570.38×0.450.69×28.9
3.6×0.20.92×1.50.37×0.720.52×35.5
0.73×0.020.35×1.90.49×4.87.2×4.02
6.4×0.32.3×5.70.24×7.250.1×3.4
一、口算。
0.9×6=3×0.2=0.3×1000=0.175÷1000=
5.1×100=1×0.04=0.7×8=0.03×600=
0.3×9=8×0.3=0.005×100=0.323÷100=
7.41×10=0.02×0.08=0.01×7=0.16×0.9=
二、列竖式计算。
9.9×0.049.3×0.950.57×0.312.5×9.13
0.37×0.092.4×4.92.2×0.368.8×50.8
9600×0.050.96×20.16×0.522.4×71.4
9.3×0.080.76×5.96.4×9.13.24×0.77
一、口算。
0.9×2=9×0.7=0.02×1000=49.3÷10=
0.667×10=0.06×0.08=0.02×0.7=0.6×300=
0.4×6=6×0.8=0.9×1000=0.492÷10=
0.715×1000=0.9×0.07=0.009×0.6=0.9×400=
二、列竖式计算。
0.64×0.50.66×2.30.23×0.167.9×85.5
0.39×0.099×4.40.56×8.86.7×9.65
980×0.30.91×0.573.5×0.250.18×34.2
0.17×0.057.1×2.20.41×0.4364.2×0.49
一、口算。
0.5×4=6×0.7=0.09×1000=0.394÷10=
0.464×1000=0.5×0.4=0.004×0.05=0.17×50=
0.9×9=2×0.7=0.7×100=29.5÷1000=
6.5×10=0.01×0.5=0.004×0.9=0.4×40=
二、列竖式计算。
0.92×0.38.9×0.436.3×6.36.9×6.36
6.2×0.50.79×0.655.2×0.490.7×13.6
6.7×0.20.72×7.97.7×5.55.9×2.14
0.52×0.70.52×0.890.92×0.9521.9×7.7
一、口算。
0.2×6=7×0.4=0.004×100=0.334÷10=
9.6×100=30×0.3=0.007×30=0.05×700=
0.7×6=3×0.2=0.3×1000=0.866÷1000=
9.9×10=0.02×0.07=0.006×300=0.14×500=
二、列竖式计算。
5.2×0.045.9×0.82.5×8.30.78×98.9
7.7×0.40.41×2.40.93×3.30.98×12.6
5500×0.082.3×6.68.4×8.20.31×9.59
0.59×0.50.73×7.61.7×1.95.53×1.8
一、口算。
0.2×7=5×0.7=0.5×100=44.4÷1000=
0.185×1000=0.03×0.09=0.004×0.5=2×800=
0.8×4=6×0.9=0.3×1000=0.287÷100=
0.698×100=0.09×0.09=0.003×900=0.05×80=
二、列竖式计算。
0.83×0.60.26×6.80.56×3.70.61×2.15
0.93×0.70.59×4.20.95×0.860.46×47
880×0.70.3×9.60.6×0.773.9×22.4
8.4×0.20.31×0.940.97×1.258.3×4.8
一、口算。
0.8×4=8×0.9=0.009×10=74.9÷10=
0.4×100=40×0.4=0.03×2=0.1×0.03=
0.5×3=6×0.4=0.005×1000=0.805÷10=
0.274×1000=0.07×0.06=0.006×700=1.7×0.02=
二、列竖式计算。
7.3×0.049.1×0.756.4×6.40.84×1.84
0.36×0.090.16×0.176.5×0.860.99×2.27
590×0.20.56×0.42.3×0.320.58×7.24
8.1×0.070.26×0.450.34×14.73×1.7
一、口算。
0.8×4=5×0.6=0.08×10=73.6÷100=
0.533×1000=50×0.3=0.6×50=0.15×7=
0.4×8=3×0.5=0.02×10=4.31÷100=
43.2×1000=0.09×0.02=0.01×0.8=0.18×0.05=
二、列竖式计算。
0.79×0.99.9×0.954.7×9.73.7×28.2
2.7×0.036×9.21.4×8.70.92×67.7
7.9×0.28.5×6.80.66×9.80.72×6.94
0.75×0.033.1×5.41.2×9.776.6×0.19
一、口算。
0.9×9=2×0.5=0.2×1000=22.8÷1000=
0.084×10=30×0.7=0.003×0.09=1.6×4=
0.1×3=3×0.2=0.005×10=47.2÷10=
32.6×100=8×0.6=0.1×0.09=0.07×9=
二、列竖式计算。
7.6×0.31.3×0.270.71×3.86×17.7
0.52×0.77.8×0.810.11×0.371.8×21
2100×0.090.56×6.40.12×9.66.1×5.54
0.67×0.60.23×0.940.8×0.635.28×0.52
一、口算。
0.9×4=4×0.3=0.8×100=41÷1000=
67.9×10=20×0.6=0.05×9=0.09×0.5=
0.7×5=3×0.8=0.001×1000=0.848÷1000=
23.2×1000=40×0.3=0.009×700=0.9×0.4=
二、列竖式计算。
9.9×0.60.12×0.493.3×0.985.4×2.06
0.93×0.080.26×9.22.2×2.67.9×5.07
0.82×0.77.7×0.820.1×5.83.2×20.2
0.71×0.043.3×1.50.72×0.22.68×1.2
一、口算。
0.8×5=7×0.5=0.4×10=82.2÷100=
0.065×100=90×0.03=0.002×40=2×700=
0.5×9=4×0.9=0.06×100=76.2÷100=
1.27×100=0.5×0.2=0.09×7=0.03×300=
二、列竖式计算。
0.49×0.70.84×0.612.2×0.590.41×58.9
0.61×0.060.9×8.30.55×0.920.24×8.49
54×0.050.58×2.90.73×7.80.1×60.3
0.46×0.044.6×0.90.12×0.6145.6×0.53
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