北师大版四年级数学下册小数乘法综合练习题71.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71
一、口算。
0.4×9=4×0.2=0.3×100=44.1÷100=
3.34×10=10×0.02=0.6×4=1.8×3=
0.8×8=6×0.7=0.02×100=1.17÷10=
0.943×100=0.05×0.2=0.009×0.03=0.2×0.02=
二、列竖式计算。
3.9×0.32.5×7.70.6×0.490.6×8.88
0.68×0.98.1×0.470.67×1.90.98×28.4
4700×0.040.53×0.684.2×0.220.7×6.06
6.6×0.069.1×0.320.54×0.9966.9×0.67
一、口算。
0.3×4=4×0.7=0.4×1000=7.41÷1000=
0.613×100=0.04×0.05=0.1×60=0.06×8=
0.5×9=5×0.4=0.04×1000=0.487÷1000=
1.62×10=90×0.5=0.001×0.07=0.3×800=
二、列竖式计算。
0.26×0.90.24×7.96.7×0.985.1×3.75
0.29×0.40.19×0.770.82×0.65.5×7.7
4400×0.092.1×30.82×5.21.2×61.7
6.8×0.091.7×0.590.7×0.764.96×0.88
一、口算。
0.9×3=3×0.7=0.04×100=74.1÷1000=
14.2×1000=0.02×0.9=0.004×30=0.06×40=
0.2×9=2×0.3=0.07×10=0.985÷100=
0.48×1000=7×0.04=0.007×0.7=1×0.7=
二、列竖式计算。
0.52×0.030.76×0.957.1×0.810.97×2.34
3.1×0.030.51×32.1×0.299.3×51.8
0.25×0.69×0.870.51×0.430.62×49.6
6.7×0.070.86×0.492.8×3.49.23×3.4
一、口算。
0.1×3=8×0.6=0.04×100=2.97÷100=
0.202×1000=3×0.5=0.9×60=0.06×0.04=
0.1×7=4×0.9=0.05×10=0.985÷1000=
0.43×1000=0.4×0.05=0.1×300=0.07×0.6=
二、列竖式计算。
2.1×0.023×0.850.93×3.70.76×81.6
5.7×0.87.5×0.310.45×0.80.67×5.13
45×0.90.68×3.30.99×0.432.1×6.56
2.9×0.87.4×5.64.1×0.141.8×0.35
一、口算。
0.6×2=8×0.3=0.8×100=9.53÷1000=
6.7×1000=8×0.2=0.1×90=0.02×0.7=
0.5×4=2×0.9=0.07×100=0.727÷1000=
45.2×1000=0.06×0.06=0.009×20=1.9×0.7=
二、列竖式计算。
8.6×0.50.35×0.260.78×2.11.2×77.3
7.5×0.22.3×5.92.8×9.10.78×48.5
1100×0.40.25×5.19.4×0.540.29×8.53
4.6×0.94.9×0.120.43×1.740.6×1.5
一、口算。
0.5×6=5×0.6=0.005×100=89.4÷1000=
5.3×100=0.09×0.2=0.006×40=0.2×0.05=
0.4×8=5×0.4=0.01×10=0.996÷100=
30.2×10=0.06×0.04=0.006×0.04=0.6×8=
二、列竖式计算。
7.3×0.060.81×4.60.61×6.40.25×34.1
5.6×0.082.7×0.870.33×0.380.85×40.8
6200×0.020.43×2.20.62×0.160.95×65.7
0.94×0.58.7×0.524.5×2.35.66×0.32
一、口算。
0.6×6=2×0.6=0.2×10=16.9÷10=
57.9×100=0.08×0.8=0.009×80=1.6×2=
0.1×2=5×0.5=0.02×100=83.1÷10=
0.6×1000=1×0.09=0.5×40=0.04×7=
二、列竖式计算。
7.6×0.83.9×1.60.7×6.20.28×7.81
2.8×0.067.2×1.46.7×0.585.1×5.43
470×0.060.63×11.3×4.62.7×61.9
0.18×0.098.4×7.84.5×3.487×0.17
一、口算。
0.7×3=5×0.7=0.09×10=34.2÷10=
0.99×10=60×0.8=0.04×800=0.4×0.7=
0.4×9=5×0.7=0.007×100=74.7÷1000=
9.4×1000=4×0.06=0.6×2=1.5×30=
二、列竖式计算。
0.21×0.50.44×0.197.3×0.321.7×92.6
0.55×0.089.4×0.279.7×0.680.79×5.59
24×0.81.1×0.323.3×0.980.88×6.59
2.6×0.027.2×0.161.4×0.228.6×5.9
一、口算。
0.8×4=8×0.4=0.04×10=35.7÷100=
2.44×1000=20×0.05=0.02×200=0.9×700=
0.2×4=4×0.2=0.1×100=0.632÷1000=
2.07×10=0.05×0.3=0.009×0.09=1.4×4=
二、列竖式计算。
1.5×0.020.45×0.777.2×0.149.6×3.1
4.4×0.54×7.53.3×0.120.91×95.9
0.69×0.27.7×4.10.4×0.691.5×11.9
1.7×0.030.85×0.436.6×0.782.3×8.1
一、口算。
0.7×3=6×0.9=0.008×10=0.197÷1000=
51.2×10=10×0.06=0.01×700=0.4×0.2=
0.3×3=9×0.4=0.007×100=0.592÷10=
0.476×10=0.5×0.03=0.005×4=1.5×3=
二、列竖式计算。
7.7×0.027×9.20.23×0.650.44×82.4
0.25×0.062.2×0.770.26×0.260.95×9.84
450×0.070.16×0.49.9×0.790.36×10.1
4.5×0.40.37×0.43×9.524.9×0.49
一、口算。
0.1×8=3×0.9=0.06×100=17.9÷100=
2.14×10=0.9×0.07=0.3×400=0.04×3=
0.4×4=5×0.4=0.07×100=1.7÷1000=
7.36×10=0.4×0.2=0.004×0.7=0.06×700=
二、列竖式计算。
0.84×0.088.4×34.3×0.131×2.41
6.6×0.90.38×4.28.2×0.110.36×59.9
7100×0.40.46×0.320.22×0.610.62×7.02
6.3×0.038×0.166.8×0.9710.1×0.72
一、口算。
0.3×2=2×0.7=0.003×1000=0.548÷10=
0.426×10=20×0.2=0.7×7=0.3×8=
0.7×2=8×0.2=0.9×100=77÷100=
2.99×1000=0.04×0.3=0.008×8=0.04×30=
二、列竖式计算。
0.35×0.40.61×0.580.89×9.57.4×51.6
0.51×0.041.6×2.80.28×0.679.9×9.16
99×0.030.33×8.50.42×1.80.76×28.3
3.1×0.030.23×0.127.5×1.241.5×2.1
一、口算。
0.4×9=8×0.9=0.009×10=52.6÷1000=
80.1×100=50×0.2=0.005×200=0.05×700=
0.1×6=8×0.4=0.05×1000=72.2÷10=
0.905×10=0.4×0.5=0.004×0.03=0.01×6=
二、列竖式计算。
6.1×0.086.4×4.69.9×6.80.28×26.6
1.1×0.020.71×0.280.78×3.47.4×37.3
73×0.070.92×7.92.3×6.49.8×8.04
5.6×0.060.81×0.345.7×0.618.7×2.4
一、口算。
0.8×4=3×0.5=0.005×1000=86.2÷1000=
8.37×1000=0.2×0.5=0.05×0.3=0.02×70=
0.3×3=6×0.5=0.4×10=36.8÷100=
15.2×100=0.04×0.5=0.07×0.08=0.12×7=
二、列竖式计算。
7.3×0.090.29×5.17.1×0.681.3×12.8
8.4×0.70.82×4.66.8×0.561.6×8.69
230×0.48×4.67.9×30.36×92.9
0.74×0.77.9×1.30.83×0.9115.6×9.9
一、口算。
0.1×3=4×0.3=0.003×100=0.478÷1000=
88.3×1000=3×0.9=0.9×5=0.06×4=
0.9×5=8×0.9=0.001×10=0.89÷1000=
2.78×1000=5×0.06=0.4×4=0.01×0.2=
二、列竖式计算。
7.4×0.047.4×2.20.63×0.120.66×3.45
7.1×0.080.69×1.70.69×0.649×21.1
43×0.085.5×0.890.67×0.656×5.68
0.67×0.078×0.610.64×0.5414.3×4.6
一、口算。
0.3×4=5×0.8=0.005×1000=24÷1000=
6.16×10=90×0.06=0.2×900=0.11×300=
0.6×6=9×0.3=0.09×10=0.218÷10=
0.334×1000=0.3×0.09=0.09×2=0.07×0.04=
二、列竖式计算。
0.53×0.050.16×2.48.4×0.492.1×41.1
0.33×0.090.26×0.130.18×0.770.15×4.73
43×0.90.53×5.97.8×0.154×48.9
5.9×0.70.65×2.20.65×0.798.86×0.43
一、口算。
0.3×9=2×0.5=0.01×10=0.328÷100=
29.6×1000=5×0.7=0.002×30=0.1×0.08=
0.1×7=9×0.2=0.005×100=30.8÷1000=
7.82×100=70×0.7=0.3×90=1.2×8=
二、列竖式计算。
0.13×0.079.3×0.80.93×6.80.78×6.68
0.58×0.48.2×2.40.36×3.70.2×48.1
910×0.30.62×0.428.3×0.490.5×6.96
2.6×0.074.3×1.90.1×9.455.4×0.51
一、口算。
0.6×5=8×0.4=0.5×10=0.749÷100=
4.19×10=70×0.6=0.2×2=0.4×0.2=
0.7×6=4×0.5=0.9×1000=68.4÷1000=
6.11×10=0.02×0.5=0.001×400=0.18×800=
二、列竖式计算。
8.3×0.038.3×5.48.6×0.264.9×2.23
0.23×0.34.8×5.30.24×7.18.6×5.31
4800×0.99.5×0.590.52×1.22.1×18.9
4.3×0.34.5×0.380.29×0.861.09×8
一、口算。
0.7×8=6×0.2=0.002×100=8.33÷1000=
30.7×10=0.4×0.09=0.02×0.2=1.7×400=
0.1×8=3×0.6=0.005×100=6.98÷10=
72.3×100=6×0.6=0.8×0.08=0.8×300=
二、列竖式计算。
7.7×0.024.1×0.783.7×7.48.9×8.8
5.1×0.30.32×0.89×6.60.98×4.41
9600×0.70.65×8.47.8×0.391×4.58
0.27×0.061.2×0.640.23×3.366.1×0.96
一、口算。
0.2×2=6×0.4=0.005×100=5.14÷10=
5.98×1000=0.07×0.6=0.4×6=0.19×8=
0.5×3=5×0.5=0.2×100=1.68÷10=
0.592×100=0.8×0.09=0.9×800=0.7×0.09=
二、列竖式计算。
3.3×0.90.32×0.168.3×8.20.36×3.74
0.67×0.54.2×0.410.45×65×4.63
74×0.60.47×6.15.5×0.990.69×3.37
2.5×0.040.92×3.43.5×0.831.23×0.42