北师大版四年级数学下册小数乘法综合练习题45.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45.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45
一、口算。
0.4×7=6×0.7=0.06×10=0.244÷1000=
96.5×100=0.03×0.07=0.008×700=1.7×200=
0.6×5=8×0.9=0.02×1000=52.6÷100=
6.04×1000=0.9×0.5=0.005×0.02=0.4×0.03=
二、列竖式计算。
0.45×0.060.18×0.830.74×28.9×63.6
0.68×0.045.6×1.82.2×1.35.8×63.2
2400×0.030.68×2.97.6×7.83.9×4.81
0.33×0.086.1×0.247.9×0.9983.1×6.3
一、口算。
0.4×9=4×0.7=0.002×10=0.304÷10=
0.617×10=0.7×0.08=0.5×0.9=0.01×0.09=
0.2×3=3×0.3=0.01×100=0.558÷100=
0.958×1000=0.7×0.07=0.006×30=1.9×0.04=
二、列竖式计算。
6.1×0.070.1×1.81.8×0.251.1×1.49
0.92×0.20.79×0.918.9×4.10.23×9.85
640×0.030.85×0.270.94×0.980.97×47
0.66×0.030.93×4.60.85×3.341.5×0.95
一、口算。
0.8×7=3×0.6=0.04×10=6.74÷10=
37.2×100=0.09×0.09=0.8×0.09=0.15×0.2=
0.4×2=4×0.8=0.2×10=8.2÷1000=
8.29×100=0.02×0.4=0.06×50=1.6×0.2=
二、列竖式计算。
0.48×0.080.15×61.3×1.30.84×12.4
0.62×0.048×5.40.7×7.10.93×4.47
2.4×0.089.5×0.152.1×4.70.58×3.36
6.2×0.020.51×0.850.76×0.25.17×0.87
一、口算。
0.8×7=6×0.2=0.8×10=8.93÷100=
7.92×1000=0.06×0.8=0.007×600=0.06×0.02=
0.4×9=4×0.5=0.009×10=0.487÷10=
9.92×1000=0.8×0.4=0.1×0.3=0.18×400=
二、列竖式计算。
7.1×0.090.31×0.760.95×1.89.7×69.4
7.8×0.20.25×0.344.1×7.90.83×3.35
5.8×0.95.7×0.583.4×6.70.6×41.6
6.7×0.086.4×27.3×8.65.98×2.4
一、口算。
0.7×8=6×0.8=0.8×1000=3.55÷1000=
0.104×10=0.1×0.07=0.9×0.02=0.14×0.07=
0.2×6=8×0.7=0.007×10=83.7÷100=
0.51×10=9×0.5=0.07×6=1.8×700=
二、列竖式计算。
4.8×0.052.2×0.659.1×8.92.2×92.9
0.91×0.082.7×0.972.4×3.90.57×4.74
5500×0.050.78×1.30.44×0.966.5×37.7
4.8×0.054.4×1.74.1×0.3226.8×0.55
一、口算。
0.9×6=3×0.6=0.2×1000=0.492÷10=
5.95×10=2×0.5=0.003×0.09=0.17×0.7=
0.7×6=8×0.4=0.003×10=0.106÷100=
97.5×10=1×0.09=0.04×0.06=2×4=
二、列竖式计算。
0.79×0.55.9×0.940.19×7.20.54×74.6
3.5×0.28.2×0.10.72×0.711.9×7.35
1.9×0.065.7×9.50.13×7.19.9×5.48
0.55×0.093.8×1.60.3×0.6448.1×0.29
一、口算。
0.6×4=4×0.3=0.8×1000=0.23÷100=
0.929×1000=80×0.6=0.5×90=0.11×0.6=
0.4×6=7×0.2=0.06×1000=15.1÷100=
0.195×100=4×0.04=0.006×900=1.6×5=
二、列竖式计算。
0.84×0.060.59×9.73.9×2.90.36×83.9
0.33×0.70.23×0.153.8×32.8×53.8
16×0.090.29×0.740.68×9.37.4×9.15
0.77×0.090.79×9.73.7×0.72.79×3.8
一、口算。
0.8×4=4×0.6=0.001×1000=48.7÷100=
3.85×10=50×0.09=0.008×5=0.16×0.02=
0.8×5=3×0.6=0.09×10=0.918÷10=
0.459×100=0.01×0.07=0.009×0.5=0.03×700=
二、列竖式计算。
9.3×0.083×0.710.81×8.19.1×10.6
0.97×0.23.6×0.293.7×0.220.1×34.7
1700×0.099.9×0.823.2×0.350.65×6.08
0.11×0.70.74×0.60.51×6.97.72×2.9
一、口算。
0.8×8=2×0.3=0.004×100=86.2÷100=
1.47×100=90×0.8=0.04×60=0.01×0.6=
0.7×9=4×0.5=0.006×100=2.99÷1000=
5.55×100=5×0.09=0.005×0.5=0.9×0.02=
二、列竖式计算。
1.6×0.83×3.30.28×0.243×28.3
0.35×0.030.57×0.835.1×4.76.3×1.19
2.5×0.68.9×0.360.8×0.56.9×25.7
5.2×0.080.5×0.637.2×0.6512.2×0.64
一、口算。
0.8×7=4×0.9=0.002×100=4.6÷100=
0.989×100=1×0.7=0.08×80=1.9×0.03=
0.8×2=9×0.8=0.01×100=0.873÷1000=
0.039×1000=0.6×0.06=0.02×80=1.9×0.08=
二、列竖式计算。
0.49×0.50.55×7.21.2×0.420.23×5.04
0.88×0.087×7.53.5×3.18.8×91.7
430×0.091.9×10.66×7.64.6×4.56
0.82×0.40.24×0.531.4×4.71.63×3.3
一、口算。
0.3×5=9×0.7=0.07×1000=17.8÷10=
0.519×100=0.04×0.08=0.8×4=1.5×7=
0.5×7=2×0.7=0.04×100=1.65÷10=
60.2×1000=0.04×0.9=0.01×200=0.2×0.5=
二、列竖式计算。
7.5×0.090.46×9.56.1×0.540.7×18.7
6.8×0.030.65×7.69.9×69.1×47.2
0.56×0.027×0.910.58×3.50.15×1.88
0.66×0.090.81×54.2×8.148×5.7
一、口算。
0.7×3=8×0.2=0.6×10=9.27÷1000=
0.779×100=2×0.9=0.7×300=0.05×8=
0.3×3=3×0.8=0.005×100=33.8÷1000=
0.72×1000=1×0.08=0.003×2=0.02×7=
二、列竖式计算。
5.8×0.020.22×0.475.3×0.470.69×77
0.92×0.80.34×6.32.3×0.250.92×51
3500×0.055.5×0.734.3×0.870.21×97.2
7.6×0.040.84×1.47.7×0.179.52×5.5
一、口算。
0.8×7=9×0.3=0.3×100=47.9÷100=
6.61×1000=0.3×0.2=0.005×4=0.01×90=
0.8×2=7×0.2=0.07×1000=0.772÷10=
0.255×1000=10×0.07=0.03×400=0.08×0.2=
二、列竖式计算。
0.47×0.038.9×0.321.3×0.594.2×94.7
4.5×0.050.21×0.30.37×1.50.82×13.1
0.83×0.052.3×0.919.4×6.30.35×94.2
0.48×0.88.9×0.840.18×8.885.4×7.5
一、口算。
0.9×4=5×0.6=0.005×10=39.6÷1000=
0.97×10=0.01×0.8=0.3×400=0.2×0.2=
0.7×4=6×0.8=0.08×1000=0.029÷100=
0.824×1000=9×0.6=0.007×0.05=0.09×900=
二、列竖式计算。
0.87×0.68.9×0.460.2×6.58.5×68.7
4.2×0.039.5×3.72.1×0.950.62×96.9
0.74×0.97.5×0.31×0.110.93×2.1
6.5×0.060.84×0.830.62×4.34.37×9
一、口算。
0.7×4=2×0.2=0.002×10=7.74÷1000=
0.017×1000=80×0.4=0.002×0.9=0.06×0.06=
0.8×6=3×0.4=0.007×100=0.851÷1000=
32.1×1000=5×0.6=0.07×0.6=0.09×7=
二、列竖式计算。
8.9×0.020.36×0.79.1×0.326.8×77.6
6.3×0.025×0.792.5×4.30.71×42.1
8500×0.60.53×0.675.4×5.42.7×47.3
0.56×0.96.8×6.30.11×0.3559.7×6.3
一、口算。
0.4×8=7×0.9=0.7×100=3.62÷1000=
9.07×1000=8×0.04=0.003×0.02=0.7×9=
0.1×7=8×0.6=0.008×10=0.118÷10=
3.61×10=0.08×0.04=0.08×2=0.17×0.02=
二、列竖式计算。
9.3×0.60.7×9.80.46×0.519.2×58.3
0.71×0.48.7×2.90.23×0.110.12×5.42
6.9×0.50.86×0.570.55×0.50.31×2.31
0.69×0.088.8×0.190.28×4.296.4×6.3
一、口算。
0.7×3=3×0.2=0.001×10=0.301÷1000=
5.95×100=90×0.04=0.001×70=0.19×80=
0.7×3=8×0.9=0.4×1000=0.98÷1000=
0.51×1000=0.1×0.6=0.6×20=0.19×0.04=
二、列竖式计算。
2.1×0.070.47×7.30.8×0.320.51×72.3
3.1×0.045.6×6.50.69×10.31×78.7
6.5×0.020.95×0.910.15×0.685.5×4.76
9.7×0.070.8×6.73.4×93.05×0.73
一、口算。
0.4×7=9×0.7=0.06×1000=60.9÷10=
8.9×1000=0.2×0.2=0.008×90=1.9×0.05=
0.3×6=8×0.4=0.8×10=36.7÷100=
0.372×10=0.04×0.8=0.05×0.09=1.3×700=
二、列竖式计算。
0.29×0.96.6×1.70.53×0.410.66×58.2
0.99×0.80.85×0.230.7×0.650.58×2.45
0.96×0.88.1×50.62×0.43.7×3.13
2.4×0.85.2×0.665.5×56.81×0.26
一、口算。
0.3×5=9×0.2=0.009×10=0.33÷1000=
0.822×1000=0.7×0.3=0.002×0.06=1.7×0.08=
0.2×4=2×0.7=0.4×10=5.65÷1000=
73.8×100=0.08×0.08=0.05×60=1.8×90=
二、列竖式计算。
0.78×0.095.7×0.340.16×0.717.6×6.67
4.2×0.48.1×0.510.59×4.40.51×39.6
6300×0.070.35×4.10.52×8.40.98×51
5.3×0.79.6×0.250.3×3.94.74×1.6
一、口算。
0.8×7=7×0.9=0.005×1000=12÷10=
56.5×10=0.6×0.5=0.4×600=0.6×90=
0.2×8=6×0.2=0.003×1000=8.7÷10=
0.317×100=10×0.04=0.001×80=2×0.4=
二、列竖式计算。
0.24×0.40.55×2.44.4×9.44.8×50.9
0.12×0.26.7×39.7×1.85.9×3.94
0.35×0.69.9×8.40.51×0.880.32×24.4
0.95×0.57.8×5.10.89×7.84.46×5.4
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