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147一、口算。 50.7 6.82.1 0.710.17 7.80.32.70.7 8.32.6 0.730.33 8.70.55.20.2 6.62.7 0.870.37 6.90.44.70.4 6.12.6 0.880.21 4.60.280.4 6.22.9 0.660.27 4.40.45.10.9 6.83.9 0.750.26 6.20.17.40.6 6.54.9 0.840.44 2.80.86.50.3 7.20.2 0.740.42 3.90.7二、混合运算。 0.860.368.8 7.70.710.29 88.835.
2、132.4 65.4740.7834.26 70.729.9612.68 4.022.411.49 80(1.840.84) 60.1(17.78.6) 5.513.931.51 一、口算。 4.20.4 6.10.7 0.760.21 3.40.96.20.6 7.31.4 0.620.47 5.60.54.10.2 8.21.1 0.740.02 7.40.44.20.8 7.94.6 0.840.31 7.70.220.2 8.12 0.860.44 3.70.71.20.5 8.21.7 0.610.01 3.50.67.70.3 7.43.1 0.820.41 20.95.50.2
3、7.42.8 0.640.39 2.90.5二、混合运算。 0.790.062.6 5.10.770.23 66.118.314.7 63.713.4944.34 76.6917.2478.06 9.331.853.61 50(8.370.89) 71.8(15.27.7) 4.542.12.29 一、口算。 5.80.5 7.13.3 0.740.42 2.40.95.10.3 6.13.5 0.760.18 3.20.21.70.9 8.40.1 0.830.34 7.20.73.40.4 8.33.2 0.860.1 5.40.970.7 6.12.1 0.640.45 8.50.57.
4、30.7 6.83.4 0.850.38 8.80.47.40.2 8.50.3 0.650.36 4.60.54.10.1 8.13.5 0.660.38 80.3二、混合运算。 0.860.220.5 5.40.351.65 88.166.621.5 64.3140.1783.75 65.0111.4541.37 8.632.611.38 40(8.980.68) 91.7(26.71.9) 4.661.251.5 一、口算。 1.70.1 82.5 0.860.46 2.50.27.60.4 7.13.6 0.710.22 6.20.33.70.4 8.42.3 0.680.48 1.6
5、0.95.40.1 6.41.7 0.880.35 8.50.72.80.9 83.7 0.720.28 7.90.72.80.9 6.43.9 0.780.26 4.20.61.90.1 6.32.5 0.880.39 6.40.15.90.5 8.84.3 0.720.15 8.80.3二、混合运算。 0.770.115.4 9.60.443.56 49.417.423 61.9424.5391.5 77.0539.591.61 6.521.212.58 30(6.190.48) 98.4(23.81.2) 4.111.571.91 一、口算。 8.60.7 8.92.6 0.680.39
6、 2.50.51.90.1 6.81.4 0.710.49 5.10.13.50.7 7.62.3 0.620.29 70.81.10.7 8.63.3 0.610.39 30.13.90.9 6.82 0.880.15 4.40.760.2 6.81.8 0.710.39 2.20.97.70.7 7.14.9 0.670.02 7.10.910.8 8.21.3 0.620.37 3.80.9二、混合运算。 0.60.072 5.80.242.76 51.116.416.2 75.584291.14 64.4121.0258.29 8.256.731.06 20(1.440.31) 67.
7、4(29.87.6) 7.95.651.91 一、口算。 2.90.2 74.5 0.710.11 8.10.28.70.4 8.41 0.720.14 4.10.57.20.4 8.71.7 0.60.26 3.50.65.30.1 8.14.1 0.780.19 70.66.40.5 7.64 0.670.47 2.50.36.60.6 8.71.3 0.790.49 5.10.16.50.4 7.93.6 0.830.46 4.20.11.80.3 7.81.4 0.670.22 6.80.2二、混合运算。 0.670.352.8 8.20.654.35 82.535.438.3 78.
8、8321.2351.57 80.1816.6311.31 6.011.551.41 60(9.950.98) 71.9(19.27.8) 6.633.822.26 一、口算。 5.30.1 7.90.3 0.640.28 8.70.330.3 8.24.8 0.850.31 2.10.56.80.8 6.60.4 0.660.14 1.90.82.80.2 7.50.2 0.710.39 1.70.27.30.8 6.12.9 0.720.03 10.48.40.7 6.52.5 0.640.38 1.40.34.90.4 7.63.1 0.660.33 6.50.87.20.3 7.12.2
9、 0.850.18 4.80.6二、混合运算。 0.710.249 7.10.312.69 78.638.133.7 79.5139.9751.14 69.4543.0778.05 6.925.41.47 40(2.820.62) 92(11.41.5) 3.511.052.26 一、口算。 50.6 6.30.9 0.850.13 3.10.15.20.7 7.33.6 0.730.05 8.60.25.30.8 6.82.4 0.780.26 8.60.35.80.5 6.82.7 0.640.48 4.70.360.5 6.51.4 0.830.24 4.10.880.6 6.42.7
10、0.690.19 5.50.72.20.6 8.42.2 0.780.11 2.40.88.20.8 7.10.3 0.880.26 40.3二、混合运算。 0.770.497.9 70.11.9 38.321.713.8 83.4835.7136.96 85.8430.1214.56 6.393.891.48 90(3.990.99) 67.8(22.57.5) 6.511.511.64 一、口算。 6.70.8 6.21.7 0.720.31 2.40.630.1 7.72.7 0.840.26 3.70.55.90.3 62 0.710.23 8.30.460.3 6.42.1 0.610.23 8.50.76.90.7 8.20.2 0.850.21 5.70.48.40.7 6.21.5 0.750.38 8.20.690.1 8.31 0.780.4 4.40.7
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