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155一、口算。 20.7 8.84.6 0.620.12 7.40.96.20.5 7.64 0.810.12 6.50.67.60.2 7.82.8 0.750.32 8.60.95.30.9 71.4 0.640.21 2.40.24.10.7 6.70.5 0.720.13 5.80.45.40.1 7.81.1 0.620.42 6.40.48.10.4 6.94.4 0.870.29 4.40.86.50.3 6.21 0.620.06 2.70.8二、混合运算。 0.850.356.9 5.90.850.15 65.625.822
2、61.0917.9475.16 87.1441.3359.19 7.713.152.53 90(2.30.88) 91.6(18.26.2) 9.781.662.9 一、口算。 30.5 7.24.2 0.660.24 5.30.45.90.5 6.71.6 0.880.4 5.30.38.30.5 8.24.4 0.710.45 7.30.56.50.9 62.7 0.710.47 6.60.11.60.7 6.62.3 0.860.06 1.20.95.90.8 6.53.7 0.860.29 1.50.24.10.4 7.11.9 0.80.26 1.70.68.20.5 6.10.6
3、0.660.14 1.70.4二、混合运算。 0.80.456.6 80.282.72 54.526.111.1 61.348.8188.57 85.7541.4927.5 5.914.41.43 40(4.970.2) 60.8(17.93.3) 7.621.51.55 一、口算。 3.20.9 6.94 0.680.47 1.10.25.90.5 8.60.9 0.80.35 60.520.8 60.9 0.60.27 7.20.35.20.1 6.43.1 0.630.46 6.30.68.80.1 94.6 0.680.18 3.20.15.10.7 8.31.1 0.70.41 4.
4、80.16.10.2 7.22.2 0.670.12 1.50.41.60.4 6.10.9 0.830.25 7.20.4二、混合运算。 0.650.45.8 6.80.314.69 6537.621.4 79.5326.2454.98 88.1427.7969.39 3.822.251.38 60(1.810.21) 94.7(29.16.5) 7.462.981.1 一、口算。 5.70.3 71.6 0.610.21 2.90.82.10.9 8.93.7 0.610.31 80.85.30.5 8.42.1 0.880.18 40.73.90.2 7.32 0.840.19 10.1
5、3.70.4 7.40.2 0.880.37 2.70.13.50.1 6.71.1 0.90.21 7.70.57.30.3 6.73.3 0.840.01 6.50.43.40.1 7.13.7 0.650.24 1.90.3二、混合运算。 0.90.299.6 9.30.820.18 9237.313.7 85.6513.252.93 75.6711.8650.07 8.234.712.01 50(3.950.26) 94.8(13.42.1) 5.763.382.31 一、口算。 8.50.5 7.71.7 0.870.08 8.20.250.9 6.83.9 0.840.25 1.4
6、0.15.10.9 82.4 0.630.06 6.40.65.50.8 8.63.2 0.640.3 7.80.85.30.7 7.92.2 0.890.24 7.10.18.20.7 8.10.6 0.80.17 7.70.38.90.1 7.32.1 0.620.28 8.50.74.80.7 6.93.8 0.780.06 5.90.9二、混合运算。 0.890.375.5 8.70.370.63 4624.211 87.3830.5339.85 61.7627.0659.49 4.913.21.17 20(3.040.83) 73(20.89.2) 5.393.251.06 一、口算
7、。 70.1 8.91.1 0.760.1 3.90.73.30.8 8.30.2 0.780.36 90.88.50.6 8.90.5 0.80.23 2.60.55.50.6 6.64.3 0.690.1 3.70.87.90.1 7.74.6 0.870.36 80.58.70.9 8.22.7 0.740.16 1.60.16.70.8 7.33.2 0.60.06 7.10.42.50.3 8.90.4 0.870.15 70.7二、混合运算。 0.680.367.8 9.70.891.11 60.634.821.8 64.9727.1785.03 65.3526.5635.12 4
8、.451.472.68 60(2.70.82) 77.4(20.39.9) 4.021.751.51 一、口算。 1.90.8 8.60.2 0.870.14 80.74.70.2 7.91.6 0.80.45 4.90.150.3 8.11.5 0.60.3 3.10.65.20.8 8.91.6 0.810.33 1.50.44.40.5 63.3 0.70.4 1.80.760.5 7.92.7 0.90.25 8.20.16.20.7 7.52.8 0.830.11 3.40.71.80.7 8.61.7 0.810.13 1.60.7二、混合运算。 0.790.47.4 9.30.8
9、14.19 51.518.228.5 69.824.470.98 65.5426.4774.92 6.472.381.27 40(3.890.8) 85.3(27.16.3) 4.72.141.75 一、口算。 5.80.2 91.7 0.670.31 1.70.34.30.9 7.80.6 0.80.36 1.80.64.10.2 83.2 0.70.37 7.10.34.60.4 7.44.3 0.870.16 3.60.91.30.7 6.44.5 0.820.42 3.20.26.80.1 7.72.6 0.720.12 1.70.47.60.4 6.51.8 0.650.45 20.
10、68.80.4 6.34.4 0.650.33 4.60.7二、混合运算。 0.790.235.7 7.40.841.16 36.911.622.7 65.8716.9745.3 75.0823.9335.58 9.977.961.43 90(5.790.5) 66.7(21.95.7) 6.971.535.35 一、口算。 4.40.6 8.13.5 0.730.38 7.20.23.90.3 8.20.5 0.820.06 1.80.78.40.4 6.24.2 0.810.26 7.60.81.70.2 7.43.2 0.880.39 3.90.63.50.3 8.71.8 0.870.
11、26 1.90.47.60.5 7.54 0.730.34 6.10.58.70.7 7.20.7 0.640.01 80.710.1 8.62.5 0.850.26 7.10.5二、混合运算。 0.880.453.4 6.40.242.76 78.612.937.8 85.4626.3441.21 86.819.8218.75 8.314.921.74 20(1.820.91) 95.3(10.78.4) 7.822.853.28 一、口算。 5.90.9 6.41.2 0.760.05 30.35.20.4 8.50.9 0.650.34 8.10.14.40.4 7.52.1 0.680
12、.06 2.30.51.90.3 8.43.9 0.640.04 6.60.260.1 8.81.2 0.860.43 2.80.82.80.8 7.14.8 0.620.36 7.20.34.70.6 8.20.8 0.720.47 3.40.67.10.9 7.70.4 0.780.06 2.70.8二、混合运算。 0.690.412.6 7.30.84.2 84.846.233.4 63.6221.6172.19 67.5635.6999.5 9.257.221.78 50(5.20.42) 99.1(24.11.4) 8.724.81.22 一、口算。 1.70.9 8.11.4 0.
13、730.4 50.18.90.4 7.34.3 0.860.14 6.60.450.3 7.73.8 0.710.42 7.80.76.90.9 81.4 0.740.43 70.97.70.2 7.22.3 0.820.36 5.60.58.20.7 8.64.6 0.720.15 60.75.10.9 61 0.80.24 2.70.890.8 6.64.8 0.650.36 5.60.4二、混合运算。 0.750.242.4 5.90.761.24 95.620.431.1 87.5845.1851.86 83.8127.4326.91 6.581.271.96 90(5.340.16)
14、 80.3(28.25.4) 9.892.076.81 一、口算。 8.10.6 8.20.1 0.710.28 5.70.11.60.6 8.63.4 0.60.14 5.20.68.80.8 6.33.3 0.780.13 5.10.93.60.1 6.44.3 0.870.18 5.20.67.30.9 6.40.2 0.90.18 4.90.12.90.5 7.23.9 0.80.08 5.60.98.40.2 64.4 0.750.12 4.40.46.80.8 7.43.3 0.720.41 6.40.8二、混合运算。 0.640.369.8 8.70.92.1 59.133.21
15、7.5 86.2431.0525.31 68.0336.3678.01 5.663.322.33 80(9.160.99) 63(17.17.9) 3.611.731.17 一、口算。 1.30.2 8.12.7 0.90.33 6.10.63.90.5 6.82.2 0.70.28 1.50.71.50.8 6.11.6 0.860.24 8.30.22.70.6 71.7 0.70.4 2.10.62.90.4 7.70.4 0.810.27 4.20.87.10.3 91 0.870.24 3.60.21.90.3 83.4 0.780.43 7.70.81.30.8 6.82.3 0.
16、890.35 1.10.9二、混合运算。 0.610.374.2 5.30.421.58 58.136.519 76.7229.514.55 76.0713.4124.8 7.132.663.35 80(3.830.33) 85.7(24.44.4) 6.493.541.53 一、口算。 90.6 8.62.6 0.890.36 8.40.52.40.2 8.24.7 0.780.15 5.30.46.40.8 8.31.3 0.780.12 3.30.98.40.4 72.7 0.760.15 6.50.14.60.7 6.91.3 0.610.36 7.30.51.70.5 94.6 0.
17、890.08 3.50.14.20.1 7.32.3 0.670.24 2.70.68.50.1 8.73.8 0.790.42 7.10.1二、混合运算。 0.630.374.9 7.50.691.31 67.143.218.1 80.543.4444.28 86.2228.2369.13 7.13.752.4 20(2.760.46) 60.9(10.29.6) 4.421.972.15 一、口算。 8.20.7 7.94.1 0.610.06 8.40.15.80.8 81.2 0.610.1 8.80.65.50.5 6.61.2 0.60.39 10.81.40.5 6.42.1 0
18、.780.13 5.30.63.90.6 8.53 0.880.28 8.60.78.20.3 64.3 0.870.01 7.80.13.40.2 7.83 0.650.3 1.60.31.10.2 7.31.3 0.680.24 3.10.6二、混合运算。 0.750.146.7 7.80.174.83 37.117.610.6 67.4722.6636.82 61.7736.1824.53 8.93.212.93 60(4.330.3) 85.2(21.58) 6.152.622.63 一、口算。 4.90.4 6.70.4 0.830.14 40.83.80.9 8.40.1 0.71
19、0.1 6.80.15.60.6 6.64.8 0.870.04 5.10.33.70.1 8.44 0.620.09 80.56.80.8 8.22.6 0.620.48 2.20.18.20.3 6.51.2 0.60.13 4.70.71.20.5 73 0.840.04 4.60.48.80.6 92.1 0.620.22 7.90.3二、混合运算。 0.790.056.2 6.80.132.87 39.823.612.8 73.5914.3754.71 62.1215.1928.27 5.393.391.12 30(8.460.49) 61.4(12.86.1) 7.472.44.4
20、5 一、口算。 5.20.3 8.82.7 0.640.41 1.40.61.90.3 72.6 0.840.22 8.70.95.50.1 81 0.790.26 80.88.30.7 7.62 0.740.4 3.10.88.10.6 64.1 0.850.44 6.20.76.30.4 8.60.7 0.770.09 1.30.97.40.3 7.10.8 0.760.07 6.60.520.1 6.51.9 0.730.03 4.30.8二、混合运算。 0.70.030.3 70.390.61 47.630.612.8 73.3736.4184.51 80.9745.5910.97 5.441.151.28 80(6.60.41) 94.9(21.57.7) 7.645.142.24 一、口算。 4.10.5 8.90.9 0.660.4 2.70.74.40.1 8.93 0.890.12 2.50.41.70.6 72.6 0.890.49 7.90.460.7 7
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