1、人教版四年级数学下册小数加减法混合运算专项练习题74一、口算。 2.80.5 7.33.9 0.790.2 2.70.170.9 71.4 0.650.2 5.40.37.20.1 6.62.4 0.70.31 2.40.990.8 8.11.7 0.620.34 1.80.11.50.1 7.73.6 0.810.23 80.91.40.8 6.63.5 0.820.17 2.40.540.3 7.23.7 0.60.41 8.40.31.60.4 74.9 0.790.39 3.50.8二、混合运算。 0.890.32.5 5.20.410.59 83.746.632.2 76.0521.
2、9493.98 86.7348.5843.49 9.585.62.84 80(5.680.16) 93.6(16.54.2) 4.291.452.09 一、口算。 5.30.6 7.60.9 0.60.06 6.20.11.10.6 6.31.9 0.810.32 5.70.25.40.3 6.21.2 0.860.17 5.20.11.60.4 7.82.6 0.80.46 5.10.14.50.1 7.92.1 0.730.4 3.30.27.20.3 7.61.5 0.730.47 7.40.15.90.8 7.83.6 0.830.22 60.78.70.2 94.4 0.670.08
3、 7.50.4二、混合运算。 0.870.015.6 5.20.420.58 76.528.633.6 81.1634.8852.92 81.7435.0837.72 8.064.82.25 20(8.810.61) 62.6(185.8) 3.571.142.36 一、口算。 4.70.3 7.81.8 0.810.44 2.50.61.30.9 6.43 0.660.19 3.90.68.80.1 93.4 0.760.26 4.60.57.10.4 8.43.4 0.730.39 5.90.33.40.5 6.91.2 0.850.22 5.70.380.5 8.10.4 0.630.1
4、3 7.20.82.40.1 6.72.9 0.790.08 5.80.55.60.7 8.41.9 0.880.24 6.10.7二、混合运算。 0.640.438.9 5.20.541.46 91.445.216.4 88.7525.9334.98 86.9542.1850.82 9.127.071.74 50(1.930.17) 86.6(17.89.4) 7.595.341.98 一、口算。 6.10.1 6.12.1 0.90.1 1.60.56.60.1 6.32.7 0.770.11 4.50.93.60.9 8.14.5 0.680.44 70.84.20.4 8.41.7 0
5、.780.34 2.30.44.30.5 7.10.9 0.690.11 6.50.76.10.8 7.90.1 0.670.09 3.90.97.20.4 6.44.9 0.810.09 6.80.87.70.5 8.21.5 0.850.24 2.80.3二、混合运算。 0.670.392.8 7.80.321.68 92.816.938.6 65.6424.1829.08 86.2424.4659.74 8.261.233.46 40(5.020.55) 65(247.2) 4.462.661.58 一、口算。 1.20.9 8.21.9 0.830.28 7.70.37.80.6 8.
6、12.5 0.730.31 1.90.32.80.3 8.41.7 0.620.25 8.50.33.40.3 7.73.8 0.730.06 30.74.70.8 6.72.4 0.620.29 3.30.63.10.9 7.80.3 0.890.4 4.80.91.90.6 8.24 0.750.17 7.80.87.80.2 7.54.7 0.890.16 6.20.7二、混合运算。 0.650.282.2 6.70.824.18 49.73215.4 88.6346.9233.38 69.9241.8290.85 6.131.092.01 90(3.340.15) 63.7(25.65
7、.3) 4.892.781.98 一、口算。 1.80.3 7.50.4 0.890.04 6.70.18.70.7 8.12.2 0.80.02 3.40.45.10.7 71.6 0.630.04 3.60.93.60.6 6.53.1 0.70.14 4.10.64.70.7 8.70.5 0.690.3 30.520.8 8.92.3 0.60.37 7.90.85.10.5 7.60.2 0.750.15 7.30.13.20.5 6.82.2 0.60.03 4.20.8二、混合运算。 0.680.398.7 7.10.232.77 49.414.610.8 77.7232.195
8、.75 87.8838.0771.55 9.62.045.25 60(9.780.26) 64.2(19.96.1) 4.631.031.86 一、口算。 7.90.4 7.10.5 0.60.03 50.15.60.6 6.54.9 0.60.4 1.90.44.10.3 8.72 0.780.42 3.40.56.80.9 8.92 0.790.37 7.30.62.50.8 8.34.5 0.730.13 3.50.48.50.9 6.12.1 0.650.47 1.60.74.50.7 7.72.5 0.70.02 6.30.42.50.6 6.71.4 0.660.08 7.50.1
9、二、混合运算。 0.850.082.2 6.70.60.4 97.165.926.7 78.614169.24 78.7717.3559.47 9.2944.47 20(5.080.87) 96.7(13.96.7) 5.92.61.53 一、口算。 7.50.2 62.5 0.870.04 2.60.44.80.9 7.41 0.870.3 7.60.63.70.6 8.51.1 0.620.37 80.22.20.2 8.51.9 0.660.19 50.44.40.7 8.92.6 0.860.32 8.30.73.20.6 82.3 0.730.19 4.90.53.70.3 84.3
10、 0.690.24 30.73.30.6 74.8 0.80.45 30.5二、混合运算。 0.70.039 5.30.60.4 37.622.110.9 86.8939.4297.12 88.9635.387.52 8.691.475.44 30(3.710.17) 70.7(18.55.4) 9.291.192.16 一、口算。 4.30.3 8.43.4 0.880.25 70.28.80.2 8.60.4 0.680.37 8.50.98.80.2 82.5 0.640.24 4.30.43.30.2 72.4 0.610.15 8.60.81.90.1 6.91.3 0.60.42 7.20.960.1 71.5 0.880.19 1.90.83.10.7 7.81.4 0.620.47 6.80.62.70.6 7.44.8 0.640.08
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