北师大版四年级数学下册第三单元小数乘法专项练习题113.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113.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113
一、口算。
0.9×9=9×0.2=0.003×1000=0.985÷100=
1.69×100=0.3×0.08=0.01×0.03=0.13×700=
0.3×8=9×0.8=0.005×1000=46.1÷10=
2.93×1000=70×0.04=0.06×500=0.15×800=
二、列竖式计算。
0.58×0.069.1×3.27.8×5.91.2×6.28
2.6×0.060.85×8.81.1×3.99×2.89
0.23×0.40.47×3.30.86×0.528.7×2.03
9.5×0.070.91×7.62.3×0.459.4×9.9
一、口算。
0.1×2=4×0.6=0.9×1000=0.3÷10=
18.7×1000=8×0.03=0.001×9=0.04×0.6=
0.6×2=8×0.2=0.002×10=1.49÷1000=
0.306×1000=0.5×0.9=0.005×0.7=1.3×900=
二、列竖式计算。
6.9×0.60.91×8.84.3×0.710.13×63.5
0.34×0.021.7×3.61.2×0.336.4×27.1
5.3×0.40.71×46.8×0.667.6×42.9
8.8×0.080.48×0.340.34×0.2748.5×0.14
一、口算。
0.5×3=3×0.5=0.03×10=87.8÷10=
26.1×10=3×0.8=0.6×0.6=0.18×30=
0.4×5=5×0.3=0.03×1000=0.538÷10=
1.19×10=0.4×0.4=0.1×0.03=0.04×800=
二、列竖式计算。
0.52×0.038.2×0.340.29×33.3×35.9
9.2×0.064.4×0.170.83×3.30.27×6.76
64×0.60.92×1.29.1×0.260.2×7.45
9.2×0.70.72×0.742.1×0.6424.3×4.2
一、口算。
0.1×7=9×0.4=0.3×1000=0.43÷1000=
7.77×1000=0.04×0.4=0.003×0.2=0.06×3=
0.6×9=8×0.6=0.08×10=46.8÷100=
0.079×1000=0.04×0.7=0.007×0.08=0.02×20=
二、列竖式计算。
0.68×0.83.8×0.699.8×4.15.2×13.9
0.35×0.040.9×0.710.16×0.273.5×7.07
3100×0.055.5×8.53.2×0.60.46×20.3
7.2×0.64.6×5.30.58×0.7791.7×0.29
一、口算。
0.8×5=6×0.3=0.09×100=2.67÷10=
0.011×100=0.03×0.03=0.009×300=0.1×800=
0.8×6=2×0.8=0.008×10=0.838÷10=
2.85×1000=0.03×0.04=0.02×4=0.1×50=
二、列竖式计算。
0.49×0.052.9×9.70.31×8.92.7×41
1.2×0.088.3×3.18.1×0.30.6×4.09
6800×0.90.43×3.40.21×67.4×15.8
0.24×0.99.3×9.90.99×6.785.6×0.59
一、口算。
0.6×2=4×0.4=0.05×1000=65÷10=
4.75×100=0.08×0.08=0.006×600=0.02×3=
0.2×4=2×0.3=0.008×100=61.1÷10=
9.73×1000=3×0.9=0.3×4=1.9×200=
二、列竖式计算。
0.71×0.70.47×1.64×5.29.6×13.7
4.7×0.070.4×0.10.6×3.13.8×49.7
0.94×0.074.6×0.620.84×1.41×1.88
0.61×0.050.19×0.979.6×4.52.5×3.8
一、口算。
0.1×7=2×0.3=0.003×100=33.4÷100=
64.8×100=3×0.5=0.5×90=0.08×2=
0.1×3=8×0.2=0.2×10=0.335÷10=
44.8×1000=10×0.3=0.02×900=0.2×9=
二、列竖式计算。
4.9×0.043.5×0.239×0.680.3×19.7
0.51×0.24.5×0.440.85×0.227.1×5.89
1700×0.80.64×1.60.85×8.84.7×71.6
0.66×0.070.3×0.291.4×9.250.3×3.7
一、口算。
0.8×5=4×0.6=0.1×100=6.73÷10=
0.626×10=0.3×0.8=0.8×9=0.8×0.6=
0.5×7=7×0.9=0.6×10=0.331÷1000=
0.188×100=0.05×0.7=0.06×0.05=0.15×700=
二、列竖式计算。
0.83×0.045.5×5.21.6×1.90.33×1.96
0.37×0.77.4×74.2×0.30.2×8.18
83×0.27×0.887.2×0.420.1×3.59
0.53×0.70.26×7.61.4×6.66.24×0.76
一、口算。
0.9×2=5×0.8=0.001×100=6.05÷1000=
0.48×10=0.07×0.2=0.005×9=0.16×30=
0.4×8=5×0.7=0.06×1000=0.226÷10=
0.241×100=0.05×0.7=0.002×30=0.03×800=
二、列竖式计算。
0.85×0.40.83×0.987.2×0.36.9×26
4.8×0.025.2×0.475.3×0.338.3×4.9
2.9×0.060.71×5.60.25×8.35.9×7.11
0.21×0.050.94×6.49.4×3.626.7×0.12
一、口算。
0.9×5=3×0.6=0.07×1000=0.35÷1000=
21.1×100=90×0.2=0.08×0.06=1.2×0.7=
0.5×9=8×0.2=0.006×10=0.655÷1000=
4.87×10=70×0.9=0.5×0.02=0.5×0.8=
二、列竖式计算。
0.18×0.38×7.80.29×0.221.8×4.59
7.7×0.50.47×0.910.94×0.570.56×89
910×0.89.9×0.660.57×9.50.65×4.92
8.9×0.30.85×4.15.2×19.03×0.58
一、口算。
0.6×6=3×0.5=0.009×10=3.12÷10=
4.3×100=0.2×0.7=0.05×0.06=0.04×0.05=
0.4×2=2×0.4=0.1×10=5.35÷100=
61.6×10=0.02×0.04=0.06×0.05=0.02×0.3=
二、列竖式计算。
0.29×0.50.14×0.130.58×93.1×1.36
0.38×0.092.1×3.60.46×1.48.4×73
49×0.086.9×5.88.5×1.56.4×78.8
3.4×0.020.76×0.610.12×6.74.18×8
一、口算。
0.2×2=2×0.9=0.6×100=7.2÷1000=
0.09×100=0.7×0.08=0.05×3=0.19×60=
0.1×3=6×0.3=0.006×1000=0.644÷10=
0.821×10=0.04×0.02=0.08×0.7=1.8×0.09=
二、列竖式计算。
0.82×0.050.65×0.511.6×0.66.2×58.6
0.56×0.34×0.370.79×7.40.47×28.5
54×0.080.54×0.480.17×0.937×6.72
0.92×0.70.99×0.770.6×8.99.26×4.9
一、口算。
0.5×8=3×0.4=0.1×100=64÷1000=
0.693×1000=60×0.6=0.1×0.4=0.07×90=
0.7×8=5×0.7=0.2×10=0.479÷100=
0.3×1000=1×0.6=0.006×900=0.18×60=
二、列竖式计算。
0.74×0.050.92×0.210.46×7.47.4×33.7
0.85×0.28.4×0.580.48×4.40.81×2.8
86×0.40.84×30.79×0.256.6×6.12
3.7×0.81.6×8.40.79×8.571.7×0.83
一、口算。
0.4×6=9×0.3=0.08×100=68.1÷1000=
73.7×10=0.06×0.05=0.3×50=0.01×6=
0.3×2=9×0.4=0.01×1000=7÷100=
0.388×10=0.9×0.7=0.008×0.2=0.9×0.04=
二、列竖式计算。
0.87×0.060.36×3.60.61×1.96.2×4.66
0.45×0.95.3×5.68.9×0.360.28×4.59
77×0.40.2×8.48×0.890.69×7.31
0.39×0.053.9×3.60.67×2.68.38×0.54
一、口算。
0.1×5=7×0.2=0.08×1000=35.7÷10=
6.38×1000=0.7×0.5=0.03×3=1.6×0.3=
0.7×9=5×0.2=0.01×10=0.07÷10=
3.85×100=8×0.04=0.09×70=0.07×3=
二、列竖式计算。
0.91×0.33×5.90.21×0.20.39×57.6
9.2×0.20.56×4.70.68×5.63×3.73
950×0.20.92×9.40.85×0.782.4×8.07
5.4×0.88.2×1.46×0.7544.9×0.32
一、口算。
0.8×9=9×0.2=0.5×100=0.821÷1000=
0.833×1000=4×0.4=0.01×0.05=0.6×0.9=
0.3×7=7×0.8=0.7×1000=6.66÷10=
5.35×100=6×0.8=0.1×60=0.14×0.8=
二、列竖式计算。
5.7×0.31.3×2.80.77×3.50.92×37
0.46×0.86.5×0.375×0.974.1×3.71
330×0.075.4×0.738.3×2.20.35×4.8
0.53×0.20.11×7.94.2×0.5133.4×0.64
一、口算。
0.2×6=9×0.9=0.04×100=0.063÷1000=
41.7×100=4×0.02=0.4×8=1.2×500=
0.2×5=7×0.5=0.5×1000=71÷10=
4.25×1000=50×0.7=0.003×5=0.07×5=
二、列竖式计算。
1.6×0.074.1×0.580.67×0.710.47×5.49
0.88×0.060.13×5.36.2×0.890.84×6.02
71×0.73.1×0.310.58×0.334.5×2.94
9.1×0.95.3×0.564.3×0.845.93×0.69
一、口算。
0.8×5=9×0.3=0.2×100=1.3÷1000=
26.4×100=0.4×0.6=0.004×0.5=1.6×9=
0.4×3=5×0.9=0.09×10=6.2÷100=
0.331×1000=1×0.8=0.1×200=0.4×70=
二、列竖式计算。
8.2×0.90.79×2.40.98×6.90.36×58.9
0.36×0.90.64×9.60.91×0.720.71×37.3
6.1×0.076.3×0.90.84×0.140.29×44.1
0.66×0.092.1×9.56×5.73.78×0.76
一、口算。
0.5×3=4×0.7=0.4×10=9.85÷100=
1.04×100=0.9×0.09=0.09×90=0.14×0.06=
0.3×8=3×0.4=0.008×100=0.28÷100=
7.91×10=6×0.6=0.08×3=0.14×0.03=
二、列竖式计算。
7.3×0.83.9×2.74.2×0.831.6×76.2
0.77×0.65.1×0.419×0.640.29×58.2
79×0.023.6×9.70.75×3.40.5×34
0.95×0.75.2×2.47.2×0.736.78×0.31
一、口算。
0.9×4=7×0.7=0.003×10=10÷1000=
3.6×10=6×0.4=0.002×900=0.6×700=
0.8×4=5×0.3=0.08×10=9.2÷10=
25.6×100=0.08×0.7=0.3×5=0.2×4=
二、列竖式计算。
0.88×0.087.7×12.6×0.180.47×9.58
2.7×0.022.3×0.450.45×3.25.1×56.8
8.4×0.98.1×0.598.8×6.60.67×66.1
7.6×0.070.63×0.290.6×1.84.78×0.57
一、口算。
0.5×3=8×0.3=0.06×10=0.523÷1000=
83.9×100=0.3×0.02=0.03×30=1.8×0.9=
0.8×8=9×0.8=0.05×1000=63÷100=
2.19×10=1×0.06=0.2×900=1.4×800=
二、列竖式计算。
8.9×0.50.46×22.8×8.30.76×39.6
0.64×0.034.5×7.20.12×1.55×89.7
870×0.080.79×0.480.31×2.31.3×3.73
6.7×0.99.9×7.20.77×919.9×0.28
一、口算。
0.4×4=9×0.7=0.07×10=4.17÷1000=
9.15×10=0.9×0.03=0.2×0.07=1.6×0.8=
0.3×2=2×0.7=0.002×100=61.4÷10=
21.2×10=10×0.02=0.8×0.02=1.8×500=
二、列竖式计算。
0.61×0.093.8×0.428×7.16×8.77
0.87×0.077.8×0.579.5×0.540.64×5.22
6.4×0.60.28×0.660.2×0.40.1×3.29
0.22×0.050.32×0.580.29×5.53.12×7.4
一、口算。
0.5×4=5×0.4=0.008×100=0.358÷100=
8.19×1000=0.04×0.07=0.01×700=0.04×0.6=
0.3×2=6×0.9=0.6×1000=7.43÷100=
0.42×100=20×0.06=0.4×0.02=1.3×0.03=
二、列竖式计算。
0.25×0.80.7×0.634.9×0.520.96×46.1
3.1×0.90.94×0.490.8×0.311.3×95.1
780×0.56.4×3.70.74×0.690.43×2.89
4.4×0.90.71×0.441.2×0.529.78×4.6
一、口算。
0.9×7=4×0.9=0.009×1000=47.6÷100=
1.25×10=2×0.3=0.001×30=0.01×200=
0.3×9=2×0.3=0.001×10=0.582÷10=
0.897×10=8×0.04=0.08×0.2=1.1×0.07=
二、列竖式计算。
0.89×0.93.9×3.13.5×4.50.98×1.88
0.94×0.094.5×1.81.3×
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