北师大版四年级数学下册小数乘法综合练习题140.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140.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140
一、口算。
0.8×7=8×0.5=0.09×100=2.04÷100=
0.217×100=80×0.04=0.7×0.8=0.16×400=
0.7×3=3×0.5=0.005×100=0.993÷100=
0.912×100=0.02×0.06=0.006×600=1.2×9=
二、列竖式计算。
0.66×0.090.66×6.40.99×6.30.56×9.58
0.93×0.40.38×7.10.39×6.90.17×42.7
15×0.49×2.50.41×0.394.8×17
0.45×0.070.69×80.73×1.63.24×4.9
一、口算。
0.5×2=3×0.6=0.03×10=0.979÷10=
0.561×100=0.08×0.9=0.002×50=0.12×6=
0.4×9=4×0.3=0.002×100=93.9÷100=
0.305×1000=1×0.02=0.08×2=0.04×0.03=
二、列竖式计算。
0.91×0.026.4×80.64×0.260.39×2.1
0.77×0.050.96×3.77.3×4.21.8×84.5
3900×0.72×0.330.15×6.85.6×4.03
0.49×0.093×3.90.54×0.9348.1×0.17
一、口算。
0.2×2=5×0.9=0.008×10=6.14÷10=
48.1×100=0.3×0.08=0.04×700=1.9×0.06=
0.9×2=7×0.6=0.002×1000=1.46÷100=
0.434×1000=3×0.7=0.2×60=0.01×0.2=
二、列竖式计算。
0.96×0.083.1×0.790.23×4.52.5×28.8
0.76×0.080.39×0.320.43×7.80.59×1.78
1.9×0.060.72×0.920.32×0.10.79×3.07
1.1×0.38.5×0.86.1×0.948.23×0.62
一、口算。
0.9×5=6×0.2=0.01×1000=27.5÷100=
0.33×100=50×0.9=0.4×0.03=1.8×20=
0.7×8=3×0.7=0.4×100=4.11÷10=
9.81×10=0.06×0.03=0.04×0.08=0.2×0.07=
二、列竖式计算。
6.8×0.60.7×1.90.97×0.291×2.61
3.4×0.050.68×0.610.63×0.440.29×2.49
28×0.60.84×2.20.1×0.957.9×4.86
3.4×0.020.92×0.190.72×0.3693.6×0.12
一、口算。
0.6×2=3×0.9=0.01×1000=6÷1000=
0.407×1000=0.02×0.3=0.06×700=0.3×0.8=
0.8×2=8×0.8=0.7×100=70.1÷100=
55.7×10=8×0.03=0.8×0.3=1.8×8=
二、列竖式计算。
0.63×0.063.8×0.580.37×0.480.48×55.3
0.24×0.070.45×2.76.1×6.50.4×65
390×0.050.83×0.178×0.13.2×41.7
8.9×0.77.3×0.690.44×0.2592.5×1.6
一、口算。
0.8×6=5×0.9=0.03×10=0.955÷1000=
52.3×10=70×0.07=0.004×0.8=0.02×50=
0.2×4=4×0.3=0.006×100=7.78÷10=
7.29×10=90×0.08=0.04×500=0.05×2=
二、列竖式计算。
6.4×0.72×5.40.47×0.920.87×3.84
0.35×0.80.86×0.93.8×1.79.2×34.6
53×0.093.1×8.10.99×0.696.8×17.8
0.48×0.60.85×0.570.6×0.654.36×0.35
一、口算。
0.3×8=2×0.8=0.04×100=7.29÷10=
1.03×10=0.5×0.9=0.003×0.05=2×900=
0.9×2=3×0.7=0.002×10=95.6÷100=
3.52×100=3×0.9=0.9×30=0.11×0.2=
二、列竖式计算。
0.24×0.62.9×3.38.1×0.913.8×92.1
3.2×0.032.8×9.40.41×7.38.3×44.4
1100×0.92.4×0.613.6×5.99.1×24.8
0.85×0.66.3×0.815×0.141.74×0.58
一、口算。
0.8×2=4×0.4=0.02×1000=6.04÷1000=
7.35×100=5×0.6=0.08×0.8=0.5×0.9=
0.5×3=2×0.6=0.6×100=19.8÷1000=
7.94×10=0.6×0.02=0.006×0.05=0.04×0.9=
二、列竖式计算。
0.92×0.61.6×7.30.33×0.589.7×96.3
5.8×0.037.9×0.251.4×2.91.3×6.73
8900×0.40.11×0.30.99×0.850.43×4.88
5.9×0.030.59×7.80.81×0.725.82×0.89
一、口算。
0.7×5=4×0.6=0.9×10=4.37÷1000=
0.94×1000=40×0.08=0.9×0.09=0.09×0.4=
0.2×8=4×0.7=0.3×10=0.462÷100=
45.3×1000=7×0.6=0.001×0.3=0.2×70=
二、列竖式计算。
7.6×0.61.6×0.720.93×4.10.94×80.4
3.5×0.50.3×0.517×0.860.26×5.17
3.4×0.080.92×0.979.4×1.33.7×2.52
3.4×0.50.84×52.5×0.5421.9×9.1
一、口算。
0.4×5=6×0.3=0.4×10=83.9÷10=
36.6×10=6×0.05=0.005×300=0.16×0.8=
0.5×2=7×0.4=0.004×10=14.7÷1000=
0.879×1000=0.4×0.8=0.8×80=1.4×0.4=
二、列竖式计算。
0.85×0.76.6×9.59×3.50.56×64.4
0.64×0.074.5×0.90.24×0.890.74×9.81
8800×0.070.92×2.85.4×6.82.7×6.31
2.4×0.071.7×4.16.7×74.56×0.9
一、口算。
0.1×2=5×0.4=0.04×10=2.64÷1000=
90.5×100=0.7×0.07=0.06×0.04=0.3×60=
0.8×6=2×0.6=0.1×100=7.13÷100=
79.4×1000=6×0.07=0.008×9=0.5×0.9=
二、列竖式计算。
9.7×0.070.41×1.30.51×50.71×68.6
4.5×0.52×3.90.39×3.31.9×91.8
280×0.090.11×0.770.26×0.89.4×1.82
3.2×0.055.5×7.98.4×0.869×0.1
一、口算。
0.4×6=2×0.3=0.02×1000=41÷10=
0.847×1000=0.9×0.05=0.1×40=0.09×0.02=
0.9×9=3×0.3=0.1×1000=0.396÷100=
62.4×100=0.09×0.09=0.2×8=0.08×20=
二、列竖式计算。
3.1×0.78.3×4.66.4×0.750.57×42.9
7.2×0.041.2×7.73×5.33.3×9.45
6100×0.020.42×4.36.9×1.71.7×8.98
5.9×0.60.78×8.35.7×0.5866.9×1.1
一、口算。
0.3×8=9×0.4=0.05×100=0.296÷100=
1×100=0.06×0.09=0.09×0.2=0.14×0.9=
0.6×3=2×0.6=0.8×1000=0.824÷10=
0.18×10=40×0.05=0.002×0.8=0.04×0.02=
二、列竖式计算。
9.8×0.89.1×0.91.4×0.743.1×78.7
2.9×0.043.9×3.60.78×2.80.25×3.8
8.1×0.060.66×1.30.22×6.34.1×88.4
8.6×0.91.8×3.83.2×38.58×0.24
一、口算。
0.8×5=5×0.5=0.03×100=0.686÷1000=
0.017×10=0.02×0.03=0.2×0.02=0.3×80=
0.8×9=2×0.2=0.002×1000=0.98÷1000=
2.37×10=0.08×0.04=0.008×700=0.07×0.7=
二、列竖式计算。
0.28×0.50.99×0.140.27×3.80.1×18.4
0.36×0.90.37×3.15.8×0.730.23×9.35
930×0.065.1×0.590.37×4.35.1×3.7
3.5×0.020.31×3.26.1×7.54.39×4.8
一、口算。
0.7×5=3×0.9=0.06×1000=0.085÷100=
1.79×10=0.09×0.3=0.006×0.04=0.1×300=
0.2×9=5×0.8=0.008×100=0.579÷100=
0.301×1000=0.07×0.09=0.6×50=0.08×0.7=
二、列竖式计算。
0.15×0.20.88×5.93.5×0.258.1×28.3
3.8×0.080.44×3.70.41×2.13.7×71.3
4.5×0.56.5×0.540.31×4.54.1×16.2
0.93×0.49×0.920.67×0.226.21×6.5
一、口算。
0.2×7=9×0.9=0.007×1000=0.028÷1000=
0.184×100=0.01×0.3=0.6×800=1.9×0.2=
0.3×9=7×0.9=0.9×100=27.3÷100=
6.39×100=2×0.9=0.009×0.08=1.7×300=
二、列竖式计算。
0.23×0.70.51×4.50.49×4.50.93×1.88
0.27×0.026.1×10.91×0.860.17×5.5
270×0.45×0.761.6×0.150.54×4.42
0.53×0.078.9×0.140.1×115.2×7.9
一、口算。
0.8×3=9×0.6=0.03×1000=5.81÷10=
4.82×10=1×0.07=0.02×500=0.14×0.03=
0.4×3=2×0.4=0.3×100=0.745÷1000=
0.268×100=0.05×0.8=0.03×5=0.1×80=
二、列竖式计算。
0.74×0.70.95×6.41.5×6.90.96×5.48
0.93×0.58.2×0.210.24×0.680.65×52.4
39×0.064×0.330.21×0.837.9×3.88
0.79×0.067×3.30.98×0.291.61×4.8
一、口算。
0.5×4=3×0.9=0.07×10=46.9÷10=
4.96×100=0.07×0.03=0.006×5=1.5×80=
0.5×5=2×0.6=0.008×100=0.84÷1000=
89.5×100=0.01×0.02=0.04×0.5=0.06×60=
二、列竖式计算。
0.88×0.060.14×0.141.1×0.920.13×65.5
0.26×0.087.4×0.878.5×0.940.59×6.62
3900×0.027×0.930.96×0.131.1×92
5.1×0.57.4×0.460.59×3.533×0.19
一、口算。
0.3×2=9×0.6=0.6×10=0.398÷1000=
0.984×100=40×0.6=0.004×90=2×40=
0.9×7=8×0.4=0.7×10=0.874÷100=
0.405×100=0.08×0.6=0.2×600=0.16×300=
二、列竖式计算。
0.73×0.020.86×80.92×0.570.82×27.7
0.42×0.85.6×0.250.56×4.30.55×6.68
150×0.070.98×4.69.1×6.80.51×63.5
0.85×0.036.7×0.240.47×0.672.58×0.8
一、口算。
0.4×5=9×0.7=0.6×1000=66.6÷100=
9.33×100=80×0.2=0.007×0.05=0.13×5=
0.3×8=8×0.8=0.02×1000=0.863÷1000=
1.18×100=30×0.8=0.007×50=0.14×0.6=
二、列竖式计算。
3.6×0.90.66×0.130.83×0.660.9×5.49
2.2×0.069.5×0.620.29×3.62.2×42.7
920×0.060.97×0.740.75×0.97×65
4.3×0.93.7×9.60.82×1.842×0.72
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