北师大版四年级数学下册小数乘法综合练习题172.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172.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172
一、口算。
0.1×7=3×0.6=0.09×1000=1.47÷100=
29×100=0.3×0.08=0.001×0.9=0.14×9=
0.8×4=4×0.2=0.007×1000=0.021÷10=
0.329×100=7×0.4=0.005×700=0.7×0.5=
二、列竖式计算。
6.9×0.40.78×7.70.91×8.40.28×2.27
3.6×0.091.4×0.950.86×0.680.11×3.13
820×0.97.4×0.220.81×0.860.24×1.03
0.79×0.068.7×1.62×0.729.52×7.5
一、口算。
0.8×4=7×0.6=0.8×10=54.1÷10=
8.59×100=90×0.08=0.04×90=1.2×0.07=
0.7×6=9×0.8=0.6×1000=46.6÷10=
3.76×100=0.03×0.07=0.4×0.6=0.01×300=
二、列竖式计算。
8.5×0.090.12×4.50.22×8.30.45×7.45
3.3×0.030.7×3.20.58×7.42.8×88.2
2.5×0.099.3×11.2×80.68×1.11
1.8×0.30.45×0.30.75×1.61.13×0.41
一、口算。
0.9×3=6×0.3=0.7×10=57÷1000=
4.61×100=7×0.5=0.09×20=0.5×70=
0.5×6=5×0.7=0.3×10=9.78÷1000=
9.5×1000=0.09×0.08=0.03×2=0.19×0.2=
二、列竖式计算。
2.1×0.080.31×0.122.1×0.128.9×49
0.73×0.068.7×50.12×8.50.85×26.3
340×0.57.4×7.63.2×2.38.7×1.9
7.5×0.065.9×8.58.8×0.289.13×4
一、口算。
0.7×6=3×0.5=0.4×1000=57÷100=
17.8×1000=4×0.2=0.3×90=0.11×8=
0.5×9=3×0.4=0.005×10=0.49÷10=
17.9×10=0.09×0.09=0.001×300=0.8×9=
二、列竖式计算。
0.74×0.085.8×0.840.67×0.990.47×97.7
8.5×0.21×7.65.1×0.720.98×8.88
3900×0.60.15×0.917.5×0.175.3×2.74
0.56×0.020.5×0.460.13×3.580.5×6.9
一、口算。
0.2×2=6×0.3=0.7×10=30.1÷100=
0.366×1000=0.6×0.08=0.3×0.5=0.01×5=
0.6×2=9×0.4=0.1×1000=0.76÷1000=
68.5×10=0.5×0.3=0.6×900=1.3×60=
二、列竖式计算。
9.5×0.057.2×8.20.68×0.390.17×3.13
2.5×0.023.2×0.764.6×6.89.1×7.11
510×0.066.9×70.85×3.99×2.89
6.5×0.049.7×0.750.98×0.5619.8×0.3
一、口算。
0.9×9=4×0.7=0.005×1000=18.2÷1000=
67.5×1000=0.5×0.5=0.001×0.2=0.9×4=
0.5×5=6×0.2=0.04×10=15.8÷100=
6.16×100=3×0.5=0.3×5=1.2×0.06=
二、列竖式计算。
0.35×0.44×0.640.14×7.57.8×9.36
0.64×0.47.1×4.50.22×8.61.6×2.31
0.76×0.60.53×0.960.88×0.340.49×70.9
5.9×0.37×6.40.63×0.2791×0.14
一、口算。
0.8×8=2×0.6=0.8×10=4.14÷100=
0.85×1000=0.06×0.02=0.009×5=0.11×0.4=
0.5×8=9×0.6=0.3×10=0.307÷100=
31.1×10=10×0.4=0.002×0.04=0.18×800=
二、列竖式计算。
0.82×0.20.25×0.63.9×8.50.91×51
3.6×0.030.98×0.723.7×6.76.3×8.99
9900×0.070.25×4.40.56×3.70.12×9.11
0.15×0.067.1×0.850.78×0.649.07×0.94
一、口算。
0.7×5=7×0.9=0.004×100=0.65÷1000=
0.995×1000=0.06×0.07=0.6×400=0.01×900=
0.7×3=8×0.7=0.2×1000=0.91÷100=
9.89×100=3×0.08=0.007×90=0.04×0.6=
二、列竖式计算。
7.4×0.040.29×4.40.38×0.360.15×8.47
0.59×0.070.78×0.177.4×0.460.36×4.26
0.49×0.30.19×3.35.4×0.736.8×6.45
6.4×0.70.55×4.27.2×0.6125.5×6.8
一、口算。
0.6×4=7×0.8=0.06×10=1.14÷100=
0.467×1000=20×0.03=0.6×8=1.8×20=
0.9×2=4×0.7=0.08×100=0.721÷10=
4.17×1000=0.03×0.5=0.4×0.2=0.13×70=
二、列竖式计算。
2.4×0.090.26×0.640.23×6.15.5×7.29
7.1×0.098.3×0.410.53×0.340.62×3.68
0.18×0.062.7×6.20.39×8.95.5×38.4
0.51×0.039.2×1.70.99×0.277.72×3.8
一、口算。
0.3×8=9×0.5=0.08×10=0.212÷10=
0.808×10=90×0.3=0.04×0.9=1.3×0.03=
0.9×8=2×0.5=0.9×1000=12.4÷10=
66.6×10=0.2×0.3=0.009×0.08=1.8×0.2=
二、列竖式计算。
0.23×0.053.7×0.958.2×4.40.18×38.8
0.68×0.50.9×7.79×0.560.83×72.4
0.54×0.070.31×0.70.56×0.620.68×8.44
0.16×0.50.34×6.80.76×0.122.5×0.24
一、口算。
0.1×8=9×0.4=0.8×100=18.5÷1000=
0.193×100=0.04×0.8=0.8×9=0.13×5=
0.4×2=9×0.4=0.07×10=9.9÷1000=
94×100=40×0.7=0.04×3=0.9×400=
二、列竖式计算。
0.72×0.020.63×0.74.1×20.98×7.83
8.2×0.090.77×2.90.84×5.50.97×2.6
130×0.80.24×0.790.76×7.30.9×87
0.23×0.90.14×0.229.9×0.994.97×0.9
一、口算。
0.5×4=5×0.9=0.06×100=1.9÷1000=
38.5×10=0.1×0.04=0.5×4=1.5×70=
0.7×9=5×0.2=0.4×10=44÷100=
39.6×1000=0.2×0.03=0.02×0.05=2×0.02=
二、列竖式计算。
0.63×0.025.6×1.11×8.60.55×8.97
5.4×0.78.6×0.532.8×0.731.2×82.2
410×0.64.9×8.59.4×0.780.77×5.82
5.4×0.082.9×0.347.3×2.575.8×0.87
一、口算。
0.8×4=9×0.7=0.3×100=0.754÷100=
0.16×1000=40×0.3=0.08×0.06=0.3×7=
0.5×6=7×0.3=0.006×10=7.05÷1000=
3.4×1000=20×0.5=0.005×40=0.1×90=
二、列竖式计算。
0.49×0.42.4×0.375.1×0.150.65×72.5
2.5×0.40.16×0.110.19×1.29.3×75.9
0.23×0.093.5×0.572.9×2.20.71×6.56
0.49×0.41.9×0.641.9×0.3217.8×0.69
一、口算。
0.2×7=9×0.7=0.004×1000=0.8÷100=
9.3×100=0.03×0.2=0.2×900=0.18×0.05=
0.4×4=3×0.9=0.008×1000=66.9÷100=
0.503×1000=0.8×0.02=0.09×0.05=0.19×0.8=
二、列竖式计算。
6.1×0.80.17×0.720.98×94.5×92.4
0.88×0.60.78×8.51.1×7.50.69×17.6
2800×0.075.7×0.470.29×9.40.27×6.37
0.39×0.50.5×0.15.1×9.591×5.5
一、口算。
0.8×6=2×0.2=0.5×1000=2.11÷10=
0.977×1000=0.08×0.02=0.4×700=0.9×0.06=
0.4×8=4×0.7=0.03×10=4.48÷10=
8.19×10=0.8×0.3=0.08×6=0.2×60=
二、列竖式计算。
0.26×0.42.5×0.78.9×7.48.5×42.3
3.7×0.090.83×1.50.57×9.44×5.71
46×0.055.5×0.466.5×0.482.8×47.4
0.63×0.059.4×3.39.9×1.87.72×0.6
一、口算。
0.8×2=2×0.8=0.09×100=5.24÷10=
0.482×10=0.03×0.09=0.002×40=0.2×900=
0.3×9=2×0.6=0.004×1000=0.16÷1000=
6.12×10=0.7×0.02=0.008×60=1.8×600=
二、列竖式计算。
0.56×0.090.61×5.50.48×0.620.59×8.6
4.5×0.070.43×4.30.33×4.62×63.4
0.72×0.50.19×0.482.6×0.367.9×9.8
0.49×0.80.44×0.945.8×0.8247.1×8.1
一、口算。
0.9×2=4×0.8=0.05×1000=7.14÷100=
9.2×10=0.7×0.04=0.9×8=0.4×0.3=
0.8×7=5×0.4=0.006×10=61.1÷100=
33.7×100=9×0.5=0.01×80=0.7×0.07=
二、列竖式计算。
0.41×0.57.2×0.542.3×0.19×4.75
0.77×0.030.54×0.389.1×0.470.33×68.8
82×0.55.9×3.14.2×0.570.51×3.17
2.8×0.055.4×0.430.67×0.2936.2×7.5
一、口算。
0.7×7=8×0.8=0.9×1000=0.083÷1000=
1.57×1000=20×0.05=0.003×0.06=0.4×0.06=
0.3×8=2×0.8=0.008×10=0.276÷10=
40.2×1000=60×0.4=0.5×0.9=0.09×900=
二、列竖式计算。
8.6×0.070.31×96.8×0.660.42×79.7
4.4×0.040.73×3.79.4×0.290.75×10.1
0.51×0.040.58×1.90.53×0.920.51×8.14
0.93×0.057.7×2.83.5×0.341.33×0.87
一、口算。
0.7×5=5×0.7=0.001×10=0.934÷1000=
0.321×100=4×0.07=0.9×0.04=0.04×20=
0.5×7=7×0.9=0.1×10=5.9÷1000=
98.6×100=0.2×0.2=0.7×0.09=1×0.2=
二、列竖式计算。
0.39×0.40.28×76.1×0.930.74×7.76
0.31×0.59.9×6.10.39×4.50.76×15
240×0.080.9×4.88.4×8.60.47×2.88
0.15×0.30.34×0.67.7×0.647.65×3.8
一、口算。
0.9×8=2×0.7=0.07×10=7.95÷10=
41.2×10=0.07×0.5=0.008×300=1.8×0.02=
0.4×5=6×0.8=0.07×100=0.444÷1000=
0.394×1000=0.3×0.03=0.03×2=1.4×0.02=
二、列竖式计算。
0.41×0.040.54×30.71×0.688.7×8.94
7.3×0.087.3×5.95.3×0.930.13×2.58
1.7×0.060.92×5.12×69.3×32.1
7.8×0.091.5×0.682.3×0.64.99×4.6
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