人教版四年级数学下册小数加减法混合运算专项练习题145.docx

人教版四年级数学下册小数加减法混合运算专项练习题145.docx

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人教版四年级数学下册小数加减法混合运算专项练习题人教版四年级数学下册小数加减法混合运算专项练习题145一、口算。

6.10.47.23.70.870.084.80.84.30.66.92.40.670.448.30.58.40.96.34.30.870.112.40.64.50.56.11.20.630.4550.11.10.671.90.630.491.80.47.20.47.41.70.760.325.70.77.10.88.44.40.90.278.80.76.60.260.70.740.288.70.5二、混合运算。

0.880.447.65.70.870.1343.619.311.771.3431.323.3587.6741.6336.539.546.482.370（8.060.49）84.1（29.71.3）9.554.444.17一、口算。

2.20.27.84.10.860.445.40.75.40.26.63.70.850.353.40.24.90.18.33.90.620.368.20.85.70.67.74.20.60.3590.86.10.862.10.760.376.10.74.90.17.21.40.760.161.10.57.80.792.40.60.198.70.41.80.28.210.840.175.60.3二、混合运算。

0.870.166.45.50.873.1340.619.712.162.6948.338.0579.3233.0328.725.81.41.9740（2.760.15）61.7（20.84.6）5.963.521.88一、口算。

1.80.18.52.80.870.493.30.64.20.66.91.20.670.21.70.43.60.97.72.90.870.254.30.87.40.57.11.10.610.310.710.76.13.80.730.447.20.71.80.17.74.70.720.423.80.67.70.88.11.50.80.474.70.86.80.18.42.10.610.34.80.6二、混合运算。

0.610.311.67.80.463.5469.621.542.166.7748.7749.3662.4412.9493.167.371.844.7320（7.830.77）97（22.37.2）7.572.273.07一、口算。

2.20.66.50.80.60.451.10.61.40.46.84.30.810.425.50.92.30.78.34.30.80.278.20.170.97.64.20.890.037.80.16.40.17.23.70.830.452.50.38.90.66.61.70.90.487.50.34.30.58.20.30.640.3190.67.90.57.20.70.770.326.10.9二、混合运算。

0.840.016.37.10.543.4680.85916.585.1332.0242.5871.4416.2421.245.561.591.3360（8.460.45）70.1（17.75.9）8.626.221.81一、口算。

6.70.87.72.90.640.066.90.62.20.66.43.60.620.348.20.84.70.28.530.660.222.80.85.80.56.71.10.860.1580.86.70.17.40.10.640.058.70.880.56.73.20.760.36.10.66.10.96.91.70.880.468.60.33.50.58.22.20.640.381.80.6二、混合运算。

0.760.211.77.80.11.958.11429.174.1921.9329.4174.720.144.049.654.181.7850（8.730.14）62.6（17.38.7）6.952.322.31一、口算。

3.50.57.41.50.780.177.30.62.40.77.34.80.850.293.80.37.40.96.43.60.90.017.30.22.90.67.53.80.640.473.20.98.10.26.43.10.670.354.30.26.60.96.53.30.870.046.90.17.50.46.90.60.610.128.20.63.80.17.22.30.730.393.70.4二、混合运算。

0.690.498.87.10.310.6940.322.915.985.8242.0152.1785.331.7386.447.714.142.3660（8.920.33）71.8（177.6）9.985.731.56一、口算。

7.90.67.20.30.690.42.80.810.86.20.20.780.231.60.44.40.27.12.10.770.182.40.71.20.56.12.20.770.0660.25.50.76.92.90.850.475.50.93.10.58.54.90.730.134.20.47.10.494.80.610.466.40.86.40.87.62.20.770.287.80.1二、混合运算。

0.840.463.59.10.633.3736.410.714.688.0814.7981.0578.0620.565.348.013.513.7680（7.650.3）83.8（23.78.1）5.361.921.77一、口算。

3.50.17.340.650.156.40.36.60.66.930.870.161.30.85.30.86.24.80.670.485.50.38.80.17.64.40.780.12.40.63.80.36.90.10.640.331.60.420.76.23.30.720.253.20.32.70.67.70.90.90.134.10.78.70.26.52.10.680.144.40.2二、混合运算。

0.810.1385.80.573.4395.612.855.882.9826.0870.7661.711.6482.163.751.262.3230（8.040.19）97.6（11.97.6）5.883.372.41一、口算。

6.40.38.22.90.670.425.10.93.10.983.90.870.024.40.43.90.863.50.890.438.70.140.88.94.80.640.035.50.17.10.784.30.830.462.70.55.90.68.310.640.167.60.45.10.36.11.30.640.028.90.21.20.27.41.60.890.388.80.9二、混合运算。

0.670.371.69.10.854.1554.710.624.273.227.7361.7969.2348.423.918.821.864.5280（1.030.15）88.5（27.91.5）4.782.761.89一、口算。

1.50.77.60.30.710.296.60.77.20.891.30.650.451.10.13.80.28.74.60.880.024.70.57.80.970.30.710.111.20.22.30.26.44.10.680.2730.94.50.28.22.30.860.271.90.27.20.18.12.20.670.078.90.65.60.46.61.10.860.232.80.3二、混合运算。

0.90.376.99.50.332.6784.214.259.463.122.4783.8581.3520.3627.436.944.951.1660（5.680.92）68（25.73.5）4.551.792.18一、口算。

6.90.87.33.60.630.388.40.16.30.57.93.50.640.237.10.85.80.764.80.890.175.20.61.60.26.61.60.880.378.90.24.70.57.14.70.890.47.20.550.380.90.90.351.70.74.40.87.82.60.830.341.20.64.10.783.40.670.2740.7二、混合运算。

0.810.391.48.20.863.1482.959.110.768.8447.1923.1561.2628.8443.34.031.462.0760（4.160.1）79.8（11.66）5.751.093.26一、口算。

5.70.76.42.30.650.143.70.43.70.87.84.60.890.176.30.26.80.78.54.80.850.21.90.68.60.38.80.80.730.084.30.42.70.88.91.40.790.092.20.98.60.67.61.80.790.033.40.310.573.70.620.186.80.56.80.87.14.70.70.11.30.1二、混合运算。

0.870.315.29.70.63.482.616.938.387.3627.1714.6561.6140.8439.337.682.42.1440（5.730.58）62.7（20.12.1）8.41.592.63一、口算。

8.30.48.20.10.730.0490.97.90.580.20.610.0110.92.80.56.11.60.820.24.90.86.30.38.22.10.640.41.20.27.20.57.50.30.670.434.80.27.30.57.50.80.660.111.60.32.50.58.93.60.70.333.10.55.80.28.33.90.680.217.80.1二、混合运算。

0.790.2315.60.784.2297.463.222.369.9325.9424.5786.4845.1858.287.613.23.4520（5.240.6）78.7（25.36.8）8.043.572.19一、口算。

4.60.67.83.60.890.415.60.51.80.990.90.690.274.80.62.60.97.71.10.630.127.60.850.77.63.20.860.242.90.96.20.77.320.90.32.60.98.80.27.74.30.680.396.90.12.60.88.14.50.840.445.90.56.80.88.60.50.660.2910.8二、混合运算。

0.810.458