北师大版四年级数学下册第三单元小数乘法专项练习题100.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100.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100
一、口算。
0.1×7=8×0.9=0.8×1000=0.944÷10=
0.458×10=0.4×0.03=0.07×5=0.03×0.9=
0.7×7=9×0.9=0.009×1000=8.26÷10=
0.601×1000=0.09×0.4=0.3×800=0.13×0.04=
二、列竖式计算。
0.53×0.94.6×7.30.75×0.772.8×33
4.5×0.40.93×7.38.1×1.31.9×3.9
1.8×0.80.57×0.257.1×2.99×8.75
5.4×0.54.9×5.67.2×0.1976.4×3.1
一、口算。
0.6×2=7×0.4=0.05×1000=4.59÷100=
1.1×1000=0.6×0.4=0.007×0.9=0.3×80=
0.2×2=5×0.8=0.07×1000=2.26÷1000=
3.58×10=5×0.3=0.005×0.6=0.05×5=
二、列竖式计算。
0.17×0.086.3×27.1×8.72.2×3.84
0.61×0.95.6×20.41×0.860.13×26.1
73×0.050.64×0.947.2×9.30.68×6.99
0.27×0.76.8×0.740.86×0.1396.5×0.75
一、口算。
0.6×8=9×0.2=0.05×100=42.3÷10=
31.9×10=8×0.05=0.7×900=1.5×0.07=
0.1×5=3×0.6=0.2×100=28.7÷1000=
0.112×100=0.08×0.4=0.004×20=0.08×0.05=
二、列竖式计算。
0.64×0.40.86×21.1×3.50.27×3.45
0.33×0.50.28×1.73.2×6.74.5×78.9
8600×0.033.4×0.833.5×8.21.6×18.7
0.79×0.030.32×0.157.4×11.69×4
一、口算。
0.4×2=5×0.8=0.03×1000=34.6÷100=
0.823×10=90×0.07=0.005×0.09=0.1×30=
0.1×5=5×0.6=0.04×10=0.096÷10=
23.8×1000=0.6×0.9=0.008×800=0.8×700=
二、列竖式计算。
0.94×0.084×0.680.46×0.910.82×7.42
6.1×0.63.4×0.250.73×0.74.4×10.8
27×0.33.4×0.226.4×0.694.5×43.2
0.96×0.31.9×6.29.9×9.87.44×0.67
一、口算。
0.8×7=6×0.8=0.001×100=7.46÷10=
0.986×100=50×0.06=0.8×0.6=1.6×0.3=
0.8×4=4×0.7=0.09×1000=5.01÷10=
0.173×100=30×0.6=0.009×60=0.2×0.9=
二、列竖式计算。
4.7×0.21.7×78.9×0.596×56.5
2.6×0.084.9×0.510.87×0.290.44×4.8
82×0.050.53×0.190.27×0.610.77×84.7
0.77×0.80.23×8.81.4×4.28.41×4.2
一、口算。
0.8×8=9×0.9=0.03×100=0.855÷10=
0.305×1000=0.02×0.06=0.009×5=0.3×8=
0.8×8=2×0.6=0.01×1000=8.88÷10=
99×100=3×0.8=0.007×300=1×80=
二、列竖式计算。
0.73×0.30.41×0.241.4×0.823.3×4.28
0.18×0.051.3×0.743.9×3.35.2×2.88
19×0.020.73×9.21×0.680.34×5.1
9.7×0.86.8×0.430.27×3.233.1×6.1
一、口算。
0.8×2=7×0.5=0.006×100=66.3÷1000=
38.9×100=0.6×0.4=0.002×0.09=0.1×800=
0.3×5=2×0.2=0.04×100=2.77÷1000=
0.189×10=6×0.3=0.9×9=0.02×0.4=
二、列竖式计算。
2.1×0.60.64×0.330.68×8.25.3×48.2
2.8×0.40.37×0.120.72×7.28.5×43.3
6.9×0.030.27×7.93.4×8.80.18×60.1
0.28×0.020.45×9.48.5×0.421.88×0.63
一、口算。
0.5×5=5×0.2=0.01×10=0.453÷1000=
11.9×1000=3×0.08=0.07×5=2×30=
0.8×6=9×0.9=0.5×1000=0.006÷10=
57.9×10=0.4×0.9=0.9×0.02=0.12×600=
二、列竖式计算。
4.6×0.064.1×9.72.6×1.11.3×6.48
0.58×0.027.9×1.86.3×0.567.2×22.5
0.38×0.024.1×8.30.11×8.30.39×6.93
8.1×0.97.9×0.640.66×0.213.72×2.2
一、口算。
0.4×9=6×0.4=0.04×100=22.2÷1000=
6.61×1000=0.09×0.02=0.02×0.9=0.11×0.2=
0.2×6=6×0.7=0.03×100=5.59÷1000=
0.887×1000=0.07×0.8=0.1×800=1.3×8=
二、列竖式计算。
0.38×0.042.3×8.20.14×7.31.3×4.16
0.24×0.24.2×0.50.27×0.370.76×8.72
1.1×0.60.67×0.220.68×7.20.87×8.31
0.84×0.080.15×0.110.91×0.8532.8×5.5
一、口算。
0.2×9=2×0.4=0.04×100=0.462÷10=
8.24×1000=5×0.3=0.6×7=0.03×0.7=
0.4×4=5×0.2=0.06×1000=98.8÷1000=
7.89×100=7×0.05=0.07×30=0.08×300=
二、列竖式计算。
0.84×0.030.76×0.470.39×4.50.77×68.1
3.6×0.093.6×4.90.39×8.96.1×8.52
8300×0.080.93×0.710.87×5.40.8×5.07
6.8×0.20.37×0.470.76×0.44.4×0.29
一、口算。
0.7×9=6×0.2=0.01×100=0.1÷1000=
0.241×100=0.9×0.3=0.3×70=0.19×700=
0.8×6=4×0.8=0.002×10=7.27÷1000=
3.5×10=8×0.9=0.8×0.3=0.09×900=
二、列竖式计算。
0.95×0.023.8×7.85.8×0.990.26×80.1
0.14×0.87.5×0.120.84×0.726.6×46.6
0.51×0.039.3×6.65×0.930.2×89.2
0.94×0.077.8×0.210.89×6.13.25×0.74
一、口算。
0.6×8=2×0.7=0.008×100=72.8÷10=
21.9×100=50×0.7=0.1×50=0.17×2=
0.5×9=7×0.3=0.07×10=4.91÷1000=
56.8×10=0.01×0.02=0.005×0.9=0.04×0.08=
二、列竖式计算。
9.1×0.80.66×0.115.3×0.625×29.8
0.51×0.059.5×0.640.56×5.40.62×2.6
360×0.054.6×6.76.5×0.920.96×72.7
7.7×0.50.79×1.80.22×0.478.04×0.82
一、口算。
0.2×7=6×0.8=0.8×100=7.09÷1000=
0.326×1000=0.3×0.08=0.3×2=0.6×500=
0.2×4=8×0.6=0.02×1000=0.325÷100=
96.7×1000=50×0.7=0.008×0.7=1.4×0.05=
二、列竖式计算。
9.7×0.43.1×2.20.54×0.335.9×5.38
0.27×0.33.2×0.375.7×0.433.1×85.4
1200×0.090.3×0.433.3×0.74.8×2.83
5.3×0.030.88×2.10.83×8.351.8×3.7
一、口算。
0.5×7=5×0.3=0.8×10=0.009÷1000=
74×100=7×0.3=0.04×0.8=0.1×800=
0.3×8=4×0.9=0.002×10=55.8÷100=
4.16×1000=1×0.6=0.001×20=0.18×0.8=
二、列竖式计算。
0.28×0.23.9×0.10.33×0.690.89×5.49
0.64×0.30.71×9.10.35×0.230.26×2.51
0.26×0.57.8×0.650.82×0.116×89
6.7×0.060.62×0.377.5×7.41.74×0.26
一、口算。
0.1×2=8×0.5=0.006×1000=0.83÷10=
76.3×10=0.04×0.3=0.2×0.03=0.04×0.3=
0.4×5=9×0.5=0.6×100=96.5÷100=
0.63×1000=0.8×0.9=0.03×0.04=1.9×0.2=
二、列竖式计算。
9.7×0.050.64×0.777.9×0.630.81×8.46
1.9×0.97.5×6.60.77×5.50.26×1.06
0.85×0.91.5×0.799.4×9.28.2×96.3
6.6×0.83.3×0.915.4×6.93.63×5
一、口算。
0.6×5=2×0.3=0.002×1000=0.141÷1000=
0.09×100=7×0.04=0.03×40=0.6×9=
0.6×8=3×0.9=0.008×1000=0.649÷10=
0.051×1000=0.6×0.7=0.8×8=0.08×700=
二、列竖式计算。
6.9×0.50.99×3.50.18×0.691.8×5.36
0.18×0.080.68×78.7×0.640.35×4.44
430×0.050.84×9.92×0.570.71×30.1
0.62×0.020.78×0.410.97×9.615.4×0.56
一、口算。
0.6×9=5×0.6=0.008×10=7.12÷10=
63.2×1000=1×0.02=0.005×0.6=0.1×3=
0.4×6=8×0.2=0.03×1000=0.566÷10=
6.73×100=40×0.6=0.9×0.07=0.08×5=
二、列竖式计算。
0.61×0.89.3×9.10.12×0.40.1×9.67
9.4×0.70.91×4.83.5×0.371.8×14.4
5300×0.040.3×0.510.62×0.780.68×2.52
9.8×0.020.74×73.6×0.8252.5×0.9
一、口算。
0.5×6=6×0.2=0.2×100=5÷1000=
0.901×10=0.7×0.3=0.08×40=0.02×0.06=
0.8×8=6×0.8=0.6×1000=0.65÷100=
9.96×10=0.8×0.07=0.004×0.8=0.16×9=
二、列竖式计算。
8.8×0.026.3×0.390.76×2.60.51×51
0.94×0.040.54×7.80.29×0.841.8×5.05
0.69×0.56.5×0.856.4×0.510.74×1.68
7.6×0.070.56×9.60.71×3.425.4×0.59
一、口算。
0.1×7=9×0.3=0.09×10=3.92÷10=
0.95×1000=0.9×0.8=0.007×0.03=1.7×0.09=
0.6×7=8×0.7=0.03×100=0.758÷1000=
0.965×10=2×0.8=0.2×90=0.11×40=
二、列竖式计算。
4.8×0.61.5×0.550.62×5.30.37×52.9
5.4×0.20.9×2.92.1×0.390.79×65.2
190×0.32.9×0.60.38×0.890.84×2.67
3.9×0.90.41×0.510.84×8.917.5×6.9
一、口算。
0.6×7=9×0.7=0.007×10=5.92÷100=
0.616×10=0.08×0.3=0.9×0.9=1.9×0.03=
0.8×8=2×0.8=0.8×1000=2.27÷1000=
0.338×100=0.09×0.08=0.05×20=0.2×0.7=
二、列竖式计算。
0.33×0.87.9×4.93.6×0.230.93×3.14
0.49×0.095.2×1.80.52×3.70.9×6.91
1900×0.56.5×0.480.58×9.12.6×40.5
3.4×0.090.76×0.150.51×0.163.48×0.9
一、口算。
0.7×4=4×0.5=0.1×100=0.771÷1000=
5.14×10=0.06×0.05=0.1×0.07=0.16×80=
0.7×4=2×0.3=0.8×10=93.3÷10=
3.77×1000=0.02×0.09=0.08×80=0.02×70=
二、列竖式计算。
8.5×0.20.89×2.20.74×5.10.6×1.35
0.91×0.63.3×0.18.3×0.569.2×8.95
5700×0.090.93×0.80.39×0.656×6.81
0.39×0.40.37×0.720.39×7.79.15×2.2
一、口算。
0.4×8=6×0.9=0.3×1000=0.686÷100=
7.86×1000=0.5×0.9=0.007×0.06=0.12×800=
0.6×9=9×0.6=0.5×10=0.339÷100=
92.8×10=0.07×0.08=0.9×700=0.13×80=
二、列竖式计算。
0.85×0.38.5×4.10.65×0.60.72×57
0.57×0.40.44×8.10.81×6.20.51×87.2
570×0.46.2×6.50.9×0.380.25×28
0.11×0.60.65×0.132.3×0.6572.9×4.7
一、口算。
0.1×7=2×0.7=0.4×1000=0.88÷1000=
1.66×1000=40×0.5=0.003×400=0.7×70=
0.9×7=5×0.7=0.2×1000=0.951÷1000=
2.86×1000=70×0.03=0.007×0.07=0.2×0.7=
二、列竖式计算。
7.3×0.046.3×8.40.39×4.72.8×35.1
1.3×0.047×0.899.1×0.280.78×25.2
810×0.060.14×0.645.6×0.278.9×2.42
0.33×0.83.4×2.70.9×0.6774.4×0.44
一、口算。
0.9×3=4×0.6=0.007×10=10÷100=
7.81×10=90×0.07=0.008×300=0.08×70=
0.8×2=2×0.4=0.7×10=6.21÷100=
88.8×10=0.08×0.02=0.3×50=0.15×20=
二、列竖式计算。
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