北师大版四年级数学下册第三单元小数乘法专项练习题105.doc

北师大版四年级数学下册第三单元小数乘法专项练习题一、口算。0.1850.30.00310000.66100.29100.080.90.50.090.60.50.3660.30.00110006.66100.6141000400.20.7301.770二、列竖式计算。0.360.50.47.60.994.64.87.80.120.060.680.625.40.180.5128.20.450.80.658.44.47.25.43.140.270.93.55.20.216.967.20.24一、口算。0.7290.70.8101.1100.20310400.070.79000.07600.4970.90.0210003.64108.881000.70.060.006201.190二、列竖式计算。0.880.039.60.880.540.642.6560.420.076.80.320.26.50.468.761.80.20.130.50.921.30.743.390.250.66.75.48.54.29.090.86一、口算。0.1340.60.9103.69100031.810700.090.60.70.7900.8980.80.00710111091.61000800.080.0070.030.29二、列竖式计算。7.60.020.380.770.640.914.71.945.90.070.130.841.62.45.44.9333000.44.20.70.520.3961.429.10.50.557.40.225.47.935.7一、口算。0.6390.70.00510087.11002.251000.60.50.07401.70.090.5550.90.8100081.7100096.810000.010.090.740.095二、列竖式计算。0.180.083.10.230.80.280.2647.60.980.60.70.890.716.90.21.798.10.70.554.50.990.333.99.010.670.040.393.423.975.48.3一、口算。0.8490.90.310000.48210006.6910800.40.00560.0430.9240.30.061000.308100.05100010.050.0018000.140.8二、列竖式计算。0.550.54.26.30.68.19.53.550.910.50.662.24.62.90.378.3645000.088.10.893.51.73.57.839.60.046.323.86.76.996.2一、口算。0.9730.60.00910043.910040.7100060.60.008800.46000.8320.80.6100.61910072.210000.030.040.92001.20.6二、列竖式计算。0.480.048.70.878.62.82.23.797.70.78.81.90.720.667.75.660.540.33.50.280.79.90.5769.90.620.059.50.110.639.522.36.4一、口算。0.8830.20.110078.110061.5100.040.070.230.190.060.7220.40.3100131000.3091000.060.90.80.081.90.04二、列竖式计算。0.440.090.14.97.50.370.3672.95.30.76.10.533.74.60.2731.95300.72.88.60.456.20.177.282.40.099.40.652.10.273.070.18一、口算。0.2380.80.21000.284105.2410700.080.0010.080.170.090.3780.70.04100088.710054.81050.20.0060.71.60.07二、列竖式计算。5.70.070.337.80.633.59.837.43.70.079.20.640.160.560.263.968500.091.38.60.117.90.667.370.640.90.770.478.76.152.10.94一、口算。0.4720.50.07100089107.16100010.70.0990.190.060.4990.20.007105.1610029.21000800.80.0060.40.73二、列竖式计算。0.480.25.31.64.50.143.936.78.70.60.89.45.16.78.983.741000.0926.70.181.30.653.677.20.050.887.90.662.32.167.6一、口算。0.8390.60.210000.6421024.410080.020.10.080.03700.6440.50.021000.311007.1810000.090.60.4900.122二、列竖式计算。2.70.060.650.936.10.980.364.510.120.028.20.980.780.5621.3780.030.70.152.50.780.7231.96.30.80.739.50.780.6157.57.5一、口算。0.4420.20.7100.61100.489100010.80.140.780.2970.70.009105.791000.0710000.90.070.030.051.60.05二、列竖式计算。0.290.083.14.70.750.460.86678.90.065.20.10.830.319.926.40.180.83.40.445.93.10.141.274.20.59.30.115.14.1540.27一、口算。0.4490.60.0051000.14910000.981100.30.40.007400.0830.7540.50.00710000.258100.87610000.40.090.42000.150.8二、列竖式计算。0.990.020.710.352.70.770.533.020.160.060.43.10.120.64135.59.30.43.50.87.65.90.2931.55.90.59.10.924.82.89.779.3一、口算。0.8440.30.03100.972107.451000.10.80.0098001.90.060.6270.90.03101.631077.7100050.70.1301.5700二、列竖式计算。5.40.35.35.70.740.590.48.421.50.45.40.757.30.395.874.90.220.040.430.410.310.880.9262.69.50.64.60.912.92.95.228.3一、口算。0.4840.50.710000.31710000.931000.080.030.60.020.0520.6380.30.910004.9610000.581100.90.90.060.30.1150二、列竖式计算。7.40.68.79.69.60.760.72380.350.059.30.510.925.67.07440.34.12.79.41.10.636.166.90.46.15.17.63.797.60.98一、口算。0.5820.80.007100.617104.161000100.40.078000.53000.9860.60.41003.4110000.22310000.010.60.0070.30.19600二、列竖式计算。2.50.51.91.13.80.110.973.860.780.050.853.10.913.49.579.755000.046.40.594.79.70.7895.86.90.25.90.650.80.1556.13.9一、口算。0.5280.90.009101.751000.3131080.030.0030.20.119000.1850.80.810005.8610005.7100400.90.0014000.150.09二、列竖式计算。4.10.040.464.75.60.456.21.360.660.070.610.980.360.936.87.138.10.060.239.470.550.7994.40.410.065.50.410.688.887.3一、口算。0.2950.80.110601000.62210000.90.50.040.091.70.060.6240.50.03100.761001.710200.30.850.2700二、列竖式计算。0.370.0560.250.328.90.431.90.760.59.48.60.272.44.63.4434000.040.640.730.210.580.9838.30.740.030.571.41.40.921.068.3一、口算。0.1330.70.0110000.389108.41100.050.090.009400.06900.3520.90.02102.18100087.41000500.040.20.070.50.8二、列竖式计算。9.20.294.34.76.50.1140.60.760.80.670.26.32.10.7324.40.180.80.320.120.678.31.848.80.940.30.154.76.80.995.870.16一、口算。0.3980.30.00110001010000.7621000.010.70.340.140.70.8420.60.0810089.2109100800.70.0080.061.30.07二、列竖式计算。2.70.60.840.220.742.85.4342.20.20.563.92.30.992.598.5240.50.590.395.65.44.486.60.530.91.380.550.9422.50.85一、口算。0.4670.30.081000.1211000.19210000.040.40.01910.60.3380.90.00710035.71091.710000.50.040.6301.4700二、列竖式计算。0.420.075.4660.18.968.70.480.039.99.60.670.133.184.69800.90.910.551.90.960.823.378.30.080.291.77.18.725.77.6一、口算。0.9430.80.7100.94310080.6100.080.070.04702500.3840.60.031006.31071.31000900.060.6300.050.8二、列竖式计算。2.70.063.56.59.90.351.645.84.70.20.840.3850.710.3336.51.80.20.240.380.790.879.43.139.90.047.70.340.835.863.80.75一、口算。0.9890.70.00610000.75100064.310070.90.080.610.060.1880.90.05100.40410053.510000.30.050.00640.150.06二、列竖式计算。5.30.030.360.555.10.670.571.443.10.90.350.499.70.192.49.2577000.30.686.90.252.50.6292.30.260.823.81.60.264.080.91一、口算。0.3670.20.610004.931000.54910100.080.220.16200.6780.40.110008.491000.41110200.70.90.70.2600二、列竖式计算。7.60.70.270.870.642.20.8583.30.580.041.10.999.17.40.135.08310.30.529.69.43.89.63.648.40.56.10.460.830.335.240.82一、口算。0.7970.90.0011006.1310000.78810500.030.30.90.17900.9620.70.00210003.5110066.7100.90.020.60.40.26二、列竖式计算。7.10.30.959.30.479.60.466.90.810.69.70.160.850.620.244.2122000.67.50.390.170.30.6659.11.80.049.20.420.730.737.925.9一、口算。0.1940.30.02100.081108.0810010.040.4201.6400.3650.70.002100058.510004.17100.70.30.080.70.54二、列竖式计算。7.70.050.862.20.256.36.421.14.90.079.80.528.10.546.2758.20.058.40.420.122.71.43.140.640.60.750.910.324.783.5一、口算。0.9820.30.11005.951028.6100300.60.080.526000.3780.90.91000.1711006.811000.030.30.20.20.030.08二、列竖式计算。5.60.048.12.75.10.520.9196.88.80.050.260.196.80.320.1694.81.80.060.60.450.480.770.6236.10.640.060.370.870.360.866.934.8一、口算。0.1590.30.081089.510000.268100.30.20.00140.060.50.9350.60.0031045.71000971000300.030.0420.019二、列竖式计算。0.920.020.20.22.94.90.5723.10.460.066.30.676.58.46.314.40.650.080.92.90.115.49.99.72.90.40.8360.313.7193.8一、口算。0.