北师大版四年级数学下册小数乘法综合练习题51.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51.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51
一、口算。
0.7×4=6×0.8=0.007×100=0.457÷1000=
0.044×1000=6×0.2=0.03×60=1.1×90=
0.8×3=8×0.5=0.7×1000=0.443÷1000=
0.897×100=3×0.05=0.6×200=1×0.9=
二、列竖式计算。
4.3×0.080.5×0.730.49×1.89×2.37
0.84×0.040.19×7.75.2×0.540.85×4.49
86×0.083.3×3.60.22×1.62.8×82.8
0.31×0.44.1×0.830.2×0.351.29×7.5
一、口算。
0.3×7=6×0.6=0.05×10=18.6÷1000=
11.3×100=0.05×0.8=0.002×0.04=0.13×0.2=
0.3×6=8×0.9=0.003×10=4.78÷100=
1.29×100=40×0.06=0.9×200=0.08×70=
二、列竖式计算。
0.18×0.56×3.75×5.20.13×86
9.7×0.040.67×0.535.1×6.94.9×5.16
3800×0.75.5×9.63.7×0.790.64×7.89
4.5×0.043.1×70.17×0.6676.8×9.8
一、口算。
0.3×8=6×0.9=0.6×100=90.6÷1000=
1.33×1000=2×0.05=0.9×300=1.8×9=
0.3×7=8×0.6=0.03×10=39.5÷10=
0.64×100=5×0.6=0.03×0.06=1.1×0.04=
二、列竖式计算。
4.6×0.063×6.57.3×7.20.23×1.52
3.1×0.044.5×7.40.77×0.360.84×90.9
840×0.69.2×0.888.1×2.11.3×3.38
0.18×0.024.6×2.50.31×9.138.5×8.8
一、口算。
0.5×4=3×0.8=0.7×1000=4÷100=
0.948×100=0.4×0.06=0.08×4=0.11×0.5=
0.4×9=5×0.8=0.7×100=6.35÷10=
48.3×1000=0.05×0.8=0.3×7=1.2×8=
二、列竖式计算。
0.39×0.80.39×0.928×0.459.2×5.81
0.41×0.66.3×0.940.78×0.745.1×54.5
4300×0.070.52×5.53.5×1.50.88×30.1
4.5×0.060.37×5.47.4×0.858.12×0.91
一、口算。
0.8×9=7×0.2=0.2×10=46.6÷10=
7.1×10=0.09×0.5=0.8×0.02=0.11×0.3=
0.4×6=3×0.7=0.5×10=0.078÷10=
12.4×100=0.7×0.6=0.09×60=0.5×0.3=
二、列竖式计算。
6.2×0.060.29×0.590.22×0.450.48×6.92
6.5×0.90.42×4.82.5×8.26.4×27.1
0.58×0.060.58×0.40.91×1.59.9×3.16
0.72×0.088.4×0.670.14×8.978.5×0.96
一、口算。
0.8×7=4×0.2=0.005×10=0.648÷10=
0.886×10=8×0.05=0.8×900=0.15×90=
0.7×9=8×0.8=0.07×100=0.59÷1000=
37.3×10=0.1×0.08=0.09×0.3=1.5×0.02=
二、列竖式计算。
3.9×0.60.89×0.442×1.60.51×65.3
0.19×0.20.92×8.50.52×0.680.38×78.7
9.9×0.060.7×0.765.6×1.21.4×6.93
0.44×0.60.13×0.485.2×0.149.56×5.1
一、口算。
0.5×7=4×0.4=0.09×1000=48.6÷100=
0.57×10=10×0.8=0.6×300=0.03×5=
0.7×5=8×0.5=0.006×10=0.107÷10=
45.8×1000=2×0.5=0.002×0.04=0.5×800=
二、列竖式计算。
0.66×0.80.72×1.51.1×98.6×49.9
0.83×0.070.24×0.68.3×1.60.44×45.6
370×0.60.5×0.196.1×8.40.47×38.3
2.5×0.040.45×0.650.58×3.58.5×1.9
一、口算。
0.6×9=3×0.3=0.09×1000=7.29÷1000=
7.99×100=80×0.05=0.006×20=1.7×40=
0.2×9=2×0.8=0.01×1000=0.223÷100=
0.576×10=0.04×0.09=0.07×900=1.1×0.9=
二、列竖式计算。
6.8×0.036.8×0.380.1×0.210.81×9.87
0.14×0.035.6×0.640.57×9.81×76.1
0.77×0.36.4×6.70.39×0.222.3×40.7
0.85×0.50.99×2.33.4×6.487.8×0.78
一、口算。
0.4×2=5×0.9=0.06×10=5.71÷10=
0.542×100=10×0.4=0.9×400=1.4×0.8=
0.2×9=9×0.5=0.05×1000=5.7÷10=
37.9×1000=0.09×0.03=0.06×0.05=0.6×70=
二、列竖式计算。
0.86×0.084.6×0.416.3×0.919.8×2.05
0.67×0.70.85×0.744.3×1.80.62×78.3
19×0.50.28×1.80.75×0.810.6×62.8
3.8×0.040.42×0.130.97×0.766.41×3
一、口算。
0.2×9=6×0.5=0.4×100=6.6÷1000=
0.837×1000=20×0.08=0.6×50=0.02×0.05=
0.3×2=9×0.2=0.2×100=0.582÷10=
1.53×100=40×0.02=0.005×0.2=0.7×0.5=
二、列竖式计算。
5.6×0.029.4×0.313.4×0.490.47×29.6
6.9×0.066.3×0.430.42×0.810.76×94.8
0.31×0.38.8×4.30.24×0.518.4×55.5
0.34×0.055.6×6.42.1×6.475×4.8
一、口算。
0.9×6=6×0.8=0.5×1000=0.074÷1000=
93.9×10=0.6×0.6=0.3×800=1.6×0.04=
0.9×4=2×0.3=0.8×1000=0.415÷100=
48.5×1000=0.4×0.7=0.03×80=0.2×0.09=
二、列竖式计算。
4.7×0.086.1×0.11×7.31.1×1.79
0.44×0.70.96×3.97.3×0.420.11×39.9
9.5×0.20.29×8.40.84×0.755.7×5.34
0.74×0.050.7×35.6×0.2947.2×0.98
一、口算。
0.5×5=2×0.6=0.005×1000=4.38÷10=
0.388×100=1×0.03=0.1×0.08=1.7×0.2=
0.8×6=2×0.5=0.006×1000=5.42÷100=
0.396×10=0.5×0.03=0.05×0.7=0.5×0.4=
二、列竖式计算。
0.62×0.043.7×9.60.51×4.52.5×46.8
0.47×0.050.99×7.96.9×9.41.3×68.7
1.2×0.70.3×5.31.5×4.49.1×73.4
0.26×0.069.6×5.20.1×0.376.51×6.4
一、口算。
0.7×6=6×0.8=0.1×1000=0.764÷1000=
86.8×100=8×0.7=0.9×300=0.04×0.03=
0.9×2=5×0.9=0.006×10=80.2÷100=
3.84×1000=7×0.04=0.009×0.08=0.04×500=
二、列竖式计算。
8.4×0.20.21×3.80.99×3.24.5×9.17
0.97×0.67.4×7.40.12×2.20.23×43.1
3900×0.050.33×9.20.88×0.240.76×8.23
0.14×0.60.25×3.13.9×0.343.24×0.87
一、口算。
0.9×2=2×0.2=0.003×1000=24.6÷10=
5.68×1000=1×0.06=0.4×0.7=0.1×80=
0.7×9=6×0.6=0.009×1000=0.959÷1000=
6.36×1000=0.2×0.8=0.09×5=1×3=
二、列竖式计算。
2.8×0.080.15×7.80.21×6.90.87×39.8
6.9×0.086×0.630.3×9.50.94×55.6
5.4×0.098.3×1.28.8×0.757.3×44.3
4.6×0.045.6×0.640.67×0.958.86×0.2
一、口算。
0.2×5=9×0.4=0.9×10=65.1÷10=
1.8×10=8×0.07=0.7×0.6=1.8×0.04=
0.4×3=7×0.4=0.006×10=97.2÷1000=
9.04×10=8×0.8=0.004×8=0.04×200=
二、列竖式计算。
0.96×0.80.49×0.398.5×3.84.2×7.55
5.3×0.060.98×9.98.6×9.81.2×31.1
0.34×0.70.94×2.60.44×6.80.67×55.9
2.5×0.050.89×1.30.1×0.4218.8×0.17
一、口算。
0.5×9=7×0.2=0.002×10=18.1÷10=
5.76×1000=9×0.03=0.6×20=0.3×70=
0.4×2=6×0.7=0.3×1000=78.7÷10=
0.125×10=0.9×0.9=0.09×30=0.05×0.08=
二、列竖式计算。
0.99×0.090.76×0.146.1×2.45.9×8.37
3.7×0.85.2×7.18.5×0.450.48×31.8
82×0.98.7×11×83.7×5.13
0.83×0.89.5×7.40.84×0.776.65×5.4
一、口算。
0.1×3=4×0.8=0.01×1000=73.8÷100=
7.52×1000=0.03×0.9=0.8×0.2=1.2×0.8=
0.4×6=8×0.5=0.04×100=62.2÷10=
2.63×10=8×0.3=0.05×50=0.16×0.07=
二、列竖式计算。
5.3×0.52×9.81×0.670.11×54.8
7.6×0.094.6×0.989.8×0.390.11×69.6
4500×0.97.8×0.590.39×0.112.3×29.7
3.4×0.90.15×8.92.7×0.975.29×1.6
一、口算。
0.8×6=2×0.8=0.9×10=3.02÷1000=
1.33×1000=80×0.3=0.007×8=0.02×0.06=
0.6×7=5×0.5=0.9×10=31÷100=
0.894×10=70×0.5=0.04×5=0.18×0.05=
二、列竖式计算。
8.8×0.98.2×0.250.81×9.24.2×29.8
4.5×0.082.7×2.49.5×2.40.47×43.9
5.1×0.022.9×8.13.1×4.38.5×3.51
0.18×0.60.5×0.644×2.37.25×1.9
一、口算。
0.8×8=5×0.7=0.06×10=9.69÷10=
93.2×100=6×0.05=0.002×0.4=0.8×600=
0.6×2=4×0.6=0.1×10=1.52÷100=
0.262×1000=0.6×0.05=0.03×900=1.6×0.2=
二、列竖式计算。
5.7×0.50.72×9.90.4×8.50.36×1.52
0.11×0.39.3×0.570.17×6.70.63×6.59
0.83×0.070.38×6.17.9×8.23.2×56.1
3.9×0.020.11×0.650.98×7.935.5×0.21
一、口算。
0.4×5=6×0.9=0.1×10=0.697÷10=
3.8×1000=0.2×0.08=0.1×8=2×6=
0.8×3=4×0.4=0.004×100=44.2÷1000=
5.24×1000=1×0.6=0.3×20=0.12×9=
二、列竖式计算。
9.2×0.67.5×8.20.38×6.20.13×5.24
0.84×0.026.5×9.80.9×0.110.49×8.34
840×0.90.45×0.88.9×6.41.9×9.43
0.93×0.080.6×0.590.1×143.9×7.2
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