北师大版四年级数学下册第三单元小数乘法专项练习题10.docx
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北师大版四年级数学下册第三单元小数乘法专项练习题10.docx
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北师大版四年级数学下册第三单元小数乘法专项练习题10
一、口算。
0.9×5=6×0.6=0.001×100=24.2÷10=
6.78×10=0.8×0.8=0.06×2=0.05×0.3=
0.8×6=6×0.6=0.3×100=0.861÷100=
6.83×1000=20×0.04=0.005×7=1.6×9=
二、列竖式计算。
1.7×0.020.36×7.60.36×1.41.9×48.3
0.92×0.081.6×0.334.8×0.178.2×2.79
840×0.60.4×3.10.71×5.66.6×90
0.95×0.035.5×5.43.9×5.87.59×0.53
一、口算。
0.8×6=4×0.7=0.5×10=94.1÷100=
0.403×1000=0.02×0.5=0.8×0.02=0.18×0.08=
0.5×8=4×0.9=0.06×10=2.11÷100=
1.05×10=0.4×0.05=0.7×80=0.11×40=
二、列竖式计算。
0.86×0.93.1×0.112.2×4.22.1×3.28
8.7×0.079.6×90.19×1.24.4×4.43
0.96×0.80.17×4.43.7×0.865.6×6.56
0.63×0.029×4.70.22×4.261.7×0.21
一、口算。
0.2×9=5×0.2=0.2×100=0.293÷10=
0.673×1000=9×0.9=0.007×0.02=1.6×500=
0.7×9=6×0.9=0.4×10=9.66÷100=
0.73×100=0.04×0.7=0.03×0.9=0.04×6=
二、列竖式计算。
0.17×0.51.5×1.80.41×0.610.17×6.09
7.6×0.098.1×7.10.81×0.547.1×37.8
7300×0.88.1×4.60.43×5.10.82×55.4
0.18×0.90.36×8.21.2×0.233.71×0.64
一、口算。
0.4×2=3×0.4=0.001×100=67.3÷100=
0.977×10=0.8×0.6=0.001×7=0.1×8=
0.7×2=8×0.2=0.006×100=52÷100=
5.09×100=0.03×0.03=0.2×8=1.8×30=
二、列竖式计算。
0.19×0.80.77×4.90.32×0.453.2×8.99
0.57×0.090.77×0.980.63×6.13.7×8.62
3900×0.60.94×7.11.6×1.50.42×6.88
0.58×0.80.18×80.57×8.63.05×0.89
一、口算。
0.8×8=2×0.4=0.3×1000=0.484÷100=
87.1×1000=5×0.5=0.7×300=0.3×0.05=
0.5×9=5×0.9=0.06×10=56.1÷1000=
0.542×10=0.2×0.6=0.03×600=0.06×80=
二、列竖式计算。
0.58×0.090.41×0.70.9×0.70.46×23.2
0.19×0.85.6×0.710.24×0.610.9×9.62
540×0.91.7×1.90.19×0.678.7×5.76
0.44×0.51.7×8.40.25×0.22.15×0.28
一、口算。
0.6×3=7×0.3=0.003×1000=3.88÷1000=
1.98×1000=10×0.04=0.2×800=1.1×0.06=
0.9×6=3×0.4=0.7×10=0.24÷100=
0.058×1000=90×0.03=0.1×8=0.12×0.04=
二、列竖式计算。
7.1×0.85.6×4.50.47×0.320.57×1.44
0.47×0.90.62×0.477.9×0.820.36×28.2
1400×0.059.8×0.740.61×8.40.63×61.2
7.8×0.024×1.66.5×4.14.56×0.76
一、口算。
0.9×8=9×0.5=0.4×10=0.626÷1000=
0.215×1000=40×0.09=0.03×0.03=0.8×7=
0.5×4=3×0.8=0.005×100=8.41÷10=
3.21×10=10×0.9=0.06×200=0.08×800=
二、列竖式计算。
0.22×0.026.5×0.939.8×1.14.3×20.7
2.2×0.098.5×7.45.2×6.42.4×85.8
2.2×0.070.38×2.37.1×0.450.81×70.7
0.67×0.93.6×0.393.1×9.64.08×6.3
一、口算。
0.2×7=2×0.2=0.4×100=45.7÷1000=
0.043×10=50×0.5=0.3×8=0.02×2=
0.2×4=6×0.5=0.01×100=0.465÷1000=
69.7×1000=1×0.05=0.007×0.9=0.2×0.07=
二、列竖式计算。
7.4×0.090.82×2.56.4×1.90.97×9.88
0.76×0.020.51×2.20.16×0.430.69×7.32
5700×0.30.25×0.450.41×6.94.2×26.9
0.99×0.70.2×1.58.5×8.67.5×4.6
一、口算。
0.3×2=6×0.2=0.06×100=7.53÷1000=
0.329×10=50×0.07=0.5×0.6=0.9×500=
0.3×2=6×0.9=0.1×10=9.83÷1000=
90×100=0.08×0.07=0.3×20=0.16×0.9=
二、列竖式计算。
0.56×0.034.7×0.370.97×4.50.96×8.02
0.92×0.29.2×0.730.36×3.89.6×5.78
440×0.060.35×3.70.83×0.392.1×90.8
0.68×0.30.51×7.57.3×0.319.34×0.69
一、口算。
0.2×4=6×0.4=0.04×1000=68.4÷100=
3.63×10=0.03×0.3=0.003×500=0.18×0.8=
0.8×6=9×0.9=0.2×10=68.2÷1000=
6.5×1000=8×0.8=0.004×0.6=0.9×300=
二、列竖式计算。
1.6×0.056.3×3.86.7×0.970.63×6.82
6.2×0.080.21×0.550.78×0.270.2×46.2
79×0.078.1×1.59.8×3.78.7×3.46
9.1×0.34.5×0.133.7×0.8668.2×7.2
一、口算。
0.7×2=7×0.5=0.1×100=3.46÷100=
0.99×100=70×0.07=0.006×0.9=0.4×0.07=
0.6×5=9×0.5=0.8×1000=47.7÷100=
7.15×1000=70×0.2=0.02×40=1.7×0.9=
二、列竖式计算。
0.82×0.080.53×0.821.5×0.817×43.8
0.35×0.91.9×0.730.84×0.213×90.1
3700×0.39.4×0.80.55×0.880.94×17.3
0.99×0.056.8×9.39.5×0.679.53×0.42
一、口算。
0.5×3=5×0.6=0.007×100=0.039÷100=
0.995×1000=0.7×0.09=0.6×0.02=1.7×600=
0.2×6=9×0.4=0.002×100=44.3÷1000=
0.751×1000=0.09×0.08=0.09×800=1.8×0.3=
二、列竖式计算。
6.7×0.040.5×61.2×6.50.34×5.64
0.73×0.50.34×7.14.1×7.90.69×87.1
98×0.064.9×0.240.55×0.850.82×7.82
7.5×0.94.1×0.170.67×0.2652.3×7.2
一、口算。
0.7×7=6×0.2=0.008×1000=22.3÷1000=
0.887×100=30×0.6=0.09×9=0.1×900=
0.2×6=5×0.9=0.01×10=0.849÷1000=
49.9×1000=50×0.6=0.002×40=0.15×400=
二、列竖式计算。
0.18×0.90.82×0.926.3×7.27.1×65.6
0.28×0.097.6×0.310.68×0.563.7×3.89
780×0.025.1×0.114.8×3.70.25×2.89
5.8×0.070.58×1.70.1×0.5227.3×3.9
一、口算。
0.6×2=4×0.3=0.05×1000=0.425÷10=
9.3×10=0.08×0.4=0.5×30=0.2×90=
0.5×5=5×0.3=0.8×100=0.978÷10=
0.995×100=1×0.06=0.06×0.9=0.1×900=
二、列竖式计算。
0.21×0.040.47×0.660.36×0.457×48.2
8.8×0.080.94×0.649×0.559.6×3.11
52×0.030.23×3.50.75×0.280.82×69.4
6.4×0.020.32×4.94.7×7.832.3×6.7
一、口算。
0.5×6=5×0.4=0.9×10=1.38÷10=
8.5×100=10×0.9=0.05×0.9=1.4×20=
0.2×8=5×0.9=0.03×100=40.8÷1000=
40.9×100=70×0.06=0.4×0.6=0.3×0.8=
二、列竖式计算。
7.9×0.81.1×0.350.81×0.621.6×5.6
0.94×0.096×0.370.24×0.940.69×81.4
0.88×0.34.5×7.55.8×8.20.3×3.88
3.5×0.62.3×0.220.12×18.45×0.78
一、口算。
0.7×7=5×0.4=0.2×100=0.127÷10=
9.61×1000=0.7×0.4=0.8×6=1×40=
0.1×9=2×0.3=0.004×10=15.2÷1000=
8.11×10=6×0.02=0.4×4=0.1×30=
二、列竖式计算。
8.5×0.43.6×7.30.93×2.65×2.09
7.7×0.020.18×5.80.92×0.160.78×11.4
48×0.42.3×0.950.29×9.28.8×92.3
0.39×0.43.7×7.70.73×8.619.4×1
一、口算。
0.7×8=7×0.3=0.006×100=5.21÷100=
57.4×10=10×0.05=0.6×0.09=0.5×9=
0.8×2=9×0.8=0.09×1000=4.33÷1000=
99.9×1000=0.04×0.04=0.004×0.07=0.09×900=
二、列竖式计算。
0.13×0.20.91×2.59.2×0.512.1×7.03
0.18×0.090.25×0.70.42×0.221×9.19
790×0.70.32×0.520.5×8.86.4×13.8
0.57×0.80.12×41.7×1.348.2×0.99
一、口算。
0.5×3=5×0.3=0.05×1000=2.57÷1000=
45.4×100=0.2×0.3=0.003×0.05=0.16×200=
0.4×3=8×0.5=0.07×10=39.3÷100=
13.3×100=0.1×0.8=0.001×0.2=0.15×0.09=
二、列竖式计算。
0.36×0.30.51×0.680.75×0.395.6×1.07
1.4×0.031.7×0.910.97×10.81×38.6
0.96×0.40.77×0.820.71×4.70.35×4.33
8.9×0.080.32×0.691.8×0.1394×3.3
一、口算。
0.7×4=4×0.3=0.001×1000=76.7÷10=
9.47×10=70×0.5=0.1×90=0.04×7=
0.5×2=8×0.3=0.008×100=31.9÷100=
0.6×1000=0.8×0.04=0.009×40=0.03×80=
二、列竖式计算。
0.62×0.090.16×0.450.85×0.920.13×21.1
0.79×0.023.1×3.70.17×0.250.74×79.9
960×0.50.92×0.440.95×0.40.54×6.29
4.6×0.089.6×2.60.91×4.946.6×0.24
一、口算。
0.5×7=2×0.8=0.4×10=48.4÷100=
55.9×1000=0.9×0.9=0.002×3=0.06×0.09=
0.1×6=6×0.6=0.3×10=1.31÷1000=
25.8×100=0.8×0.05=0.1×0.3=1.1×0.06=
二、列竖式计算。
6.7×0.030.75×0.141.7×0.192.8×8.02
0.91×0.075.3×2.40.64×0.871.9×61.2
810×0.040.13×65.1×0.981.6×96.8
0.82×0.68.9×4.54×0.7132.5×0.64
一、口算。
0.9×2=5×0.9=0.5×1000=78.4÷10=
5.26×10=80×0.08=0.5×0.7=0.7×0.4=
0.8×3=3×0.5=0.4×10=58.5÷1000=
8.55×1000=0.5×0.5=0.6×0.3=0.4×70=
二、列竖式计算。
4.5×0.37.7×8.74.3×0.680.45×6.21
0.72×0.020.45×0.326.3×3.80.68×1.48
2500×0.60.45×6.80.95×4.65.8×8.3
2.8×0.60.61×1.29.7×5.16.4×0.34
一、口算。
0.8×3=9×0.7=0.5×1000=0.507÷100=
6.12×100=0.8×0.7=0.4×0.4=1.9×900=
0.7×8=9×0.5=0.9×1000=81.8÷1000=
0.536×1000=0.05×0.08=0.3×80=0.04×0.9=
二、列竖式计算。
0.33×0.040.65×0.330.33×0.160.19×6.2
4.9×0.057.6×5.50.83×0.820.24×51.5
110×0.036.2×0.460.73×4.30.33×7.62
1.5×0.077.6×0.258.1×0.1539.9×0.22
一、口算。
0.4×7=9×0.7=0.001×100=86.5÷10=
69.2×1000=0.01×0.7=0.7×20=1.4×80=
0.9×3=5×0.8=0.09×1000=78.7÷100=
91.1×10=0.1×0.06=0.006×40=1.7×0.07=
二、列竖式计算。
7.8×0.38×9.90.96×0.238.5×84.6
0.43×0.068.8×1.77.6×0.840.8×89.1
4.3×0.70.33×0.80.24×6.90.58×5.88
0.35×0.40.44×0.830.73×0.575.1×5.1
一、口算。
0.4×8=2×0.2=0.04×1000=54.6÷10=
10.7×100=0.07×0.7=0.006×9=0.1×0.3=
0.3×8=8×0.7=0.02×100=1.32÷1000=
39.2×1000=9×0.5=0.09×0.07=0.4×0.5=
二、列竖式计算。
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