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156一、口算。 7.30.6 6.93.2 0.850.38 3.10.65.30.7 80.1 0.650.32 3.90.58.30.2 70.6 0.60.3 4.90.32.10.7 6.51.8 0.850.34 6.60.83.80.9 6.14.9 0.850.1 80.11.70.9 8.94.1 0.610.42 4.20.61.70.3 7.70.2 0.70.15 4.60.25.30.7 6.24.6 0.880.09 80.7二、混合运算。 0.690.487.1 5.40.81.2 97.640.520.9 70.2
2、312.3179.17 61.2628.7145.14 7.822.974.15 60(1.630.63) 69.8(29.22.1) 4.21.991.21 一、口算。 7.50.9 7.83.1 0.810.1 7.10.440.1 72.3 0.740.14 70.85.60.8 72.5 0.860.28 8.90.31.90.8 8.60.5 0.690.24 1.50.23.40.3 7.80.3 0.840.1 8.40.290.2 8.40.6 0.640.33 4.50.35.10.1 8.54.9 0.790.25 7.20.57.20.6 6.52.5 0.770.09
3、6.60.2二、混合运算。 0.70.283.4 5.20.254.75 793128.3 68.8629.7831.55 85.6529.0280.41 9.846.61.94 40(4.20.25) 85.3(22.24.2) 9.367.051.8 一、口算。 5.80.3 7.82.8 0.740.01 5.80.870.2 6.41 0.810.08 90.37.90.8 6.13.1 0.790.34 8.40.990.5 8.74.2 0.90.23 7.40.58.90.2 8.54.9 0.710.07 4.40.43.90.5 6.53.5 0.830.38 2.10.73
4、.10.9 6.62.5 0.690.36 7.10.85.90.3 81.2 0.720.04 5.20.4二、混合运算。 0.90.466.4 8.50.181.82 98.33217.6 60.2742.8397.76 81.7810.6799.31 9.334.432.47 30(1.890.58) 83.7(26.62.5) 8.64.431.78 一、口算。 8.40.7 8.64.1 0.780.04 5.80.21.10.7 6.72.3 0.820.4 5.90.16.20.4 7.33.1 0.660.08 8.60.71.80.6 7.24.5 0.860.33 50.2
5、8.60.8 6.84.3 0.80.06 4.30.98.40.4 7.71.6 0.70.32 1.90.37.60.5 7.20.1 0.810.25 1.10.18.90.6 6.31.4 0.660.26 7.20.9二、混合运算。 0.820.366.7 5.50.254.75 98.852.833.9 82.9134.8733.81 86.9815.9964.1 4.743.221.08 70(9.950.53) 65.2(23.54.2) 7.232.433.92 一、口算。 8.10.1 8.14.5 0.630.43 80.57.40.3 6.61.3 0.790.37 2
6、.50.960.1 7.53.5 0.710.28 1.30.27.60.4 7.60.6 0.620.25 2.90.16.80.9 8.32.5 0.880.12 7.80.94.40.9 8.52.3 0.790.3 8.60.22.20.9 6.23.3 0.850.38 6.20.62.30.5 7.14.5 0.760.35 1.40.5二、混合运算。 0.650.440.9 5.70.554.45 90.735.851.2 73.5321.681.52 67.331.3841.11 4.412.071.84 30(2.640.29) 61.1(23.86.6) 9.432.045
7、.94 一、口算。 6.40.2 6.12.5 0.890.3 10.26.60.4 6.53.1 0.710.23 1.80.75.80.2 8.81.1 0.790.3 3.60.12.50.6 6.44.8 0.90.45 90.38.20.8 7.91 0.710.41 40.93.80.4 6.73.2 0.650.49 7.50.33.40.8 7.81 0.730.05 30.94.60.6 8.90.6 0.630.4 5.80.9二、混合运算。 0.660.153.1 9.40.431.57 48.812.128.4 68.1940.7313.34 87.723.4535.7
8、8 8.124.332.03 80(3.530.45) 67.5(26.32.5) 4.12.431.16 一、口算。 8.40.9 7.42.3 0.860.04 8.50.54.30.3 6.93.9 0.890.38 70.43.40.1 8.91.9 0.890.04 5.20.26.90.9 82.5 0.90.15 10.67.30.1 6.60.6 0.710.09 4.60.690.8 6.53.5 0.90.32 6.50.16.90.3 6.83.8 0.790.06 5.20.75.90.4 7.61.7 0.770.1 5.70.1二、混合运算。 0.60.128.7
9、6.10.862.14 67.91445.1 67.1113.8560.96 76.3944.414.23 8.525.981.83 70(4.310.93) 62.6(11.88.8) 5.731.893.15 一、口算。 8.30.8 6.91.9 0.890.39 8.70.64.80.1 6.34.6 0.880.13 8.90.35.40.2 6.23.3 0.880.43 4.70.56.30.5 82 0.70.07 90.56.70.3 91.7 0.810.38 6.20.72.80.7 8.83.1 0.770.04 10.44.80.5 7.13.5 0.70.47 3.
10、70.61.80.1 7.90.9 0.780.44 1.70.5二、混合运算。 0.690.348.4 80.171.83 63.945.110.7 78.7325.2156.52 84.7944.0896.66 4.882.721.17 80(9.630.75) 94.3(13.79.6) 7.651.281.36 一、口算。 4.20.6 8.23 0.660.35 2.20.43.90.8 8.93.1 0.840.39 2.20.51.70.2 7.64.8 0.60.3 4.80.47.60.7 7.53 0.770.42 4.10.47.60.1 8.11.9 0.660.21
11、6.50.66.70.2 6.83.3 0.60.14 2.90.67.40.1 7.22 0.810.09 7.20.81.90.2 7.43.3 0.710.13 8.50.2二、混合运算。 0.710.40.1 7.40.480.52 85.147.130.1 79.8439.3835.05 81.3626.5595.44 8.96.681.77 30(4.810.22) 63.1(297) 4.221.312.76 一、口算。 4.20.9 8.30.5 0.690.32 30.36.30.3 6.11 0.810.42 4.60.12.90.5 8.92.1 0.820.15 4.8
12、0.21.30.3 8.83.4 0.840.26 7.30.220.1 6.60.7 0.850.1 4.70.28.90.4 8.71 0.690.26 20.320.6 6.21.6 0.670.06 3.80.57.30.4 7.60.3 0.870.39 2.70.3二、混合运算。 0.890.348.7 5.30.154.85 38.816.412.4 69.7729.5729.86 77.0744.386.51 6.0232.27 50(2.720.18) 60.1(12.11.8) 7.13.722.3 一、口算。 5.20.1 6.40.7 0.660.3 1.20.33.5
13、0.5 8.31 0.680.25 40.42.80.3 8.54.4 0.890.48 80.33.10.2 6.70.7 0.780.02 2.20.68.80.2 7.22.4 0.620.37 6.40.96.40.1 8.41.9 0.710.46 1.60.81.10.3 8.33.8 0.850.03 80.97.10.9 6.24.1 0.60.46 6.20.6二、混合运算。 0.620.182.8 6.20.850.15 36.921.711 78.5914.9835.09 80.6236.4447.67 8.655.892.34 80(3.440.13) 72.5(12.
14、19.3) 5.842.523.22 一、口算。 5.40.4 6.82.6 0.70.11 5.90.88.30.8 80.2 0.640.45 7.90.47.10.5 8.64.7 0.840.48 8.90.660.4 8.61.9 0.860.18 5.10.98.10.8 6.74.7 0.880.2 6.60.94.60.9 8.53.8 0.750.08 6.50.68.10.6 7.81.8 0.630.42 2.80.78.70.8 7.64.1 0.880.27 4.30.2二、混合运算。 0.870.469.9 80.361.64 48.530.417.8 70.373
15、7.0266.22 62.1822.2871.49 8.992.086.48 50(5.220.17) 75.5(11.83.4) 9.482.751.13 一、口算。 4.30.9 6.12.4 0.650.03 6.40.85.50.1 8.81.2 0.680.31 5.20.91.20.6 7.61.6 0.650.35 50.68.50.4 7.51.5 0.670.23 5.70.75.30.9 8.40.5 0.710.04 1.20.63.10.3 7.13.1 0.820.07 2.80.13.60.8 6.92.9 0.730.16 2.50.32.50.4 6.63.8
16、0.880.19 8.60.3二、混合运算。 0.830.435.3 7.90.820.18 47.416.216.3 66.6229.3229.98 60.6745.4984.97 6.611.554.22 50(4.150.25) 96.4(11.26.3) 6.332.933.18 一、口算。 6.70.5 8.24.3 0.740.44 4.70.73.70.5 8.21.2 0.880.42 3.20.46.70.6 8.24.4 0.660.17 3.90.450.3 6.72.9 0.80.22 1.40.62.10.8 6.72.1 0.60.38 4.30.87.30.7 8
17、.21.3 0.740.35 4.70.96.30.8 6.84.4 0.620.22 5.80.55.30.6 92.1 0.740.39 2.20.2二、混合运算。 0.890.499.6 8.30.54.5 92.925.159 60.8116.6893.03 74.7624.2946.95 9.11.883.65 60(1.640.71) 76.7(19.29.1) 6.522.763.24 一、口算。 7.10.8 7.11.3 0.70.4 8.30.77.30.5 70.3 0.60.19 7.60.51.60.2 6.94.9 0.630.34 1.50.14.50.2 7.6
18、0.4 0.90.27 3.90.71.20.8 6.41.7 0.820.24 6.30.52.10.5 7.62.3 0.770.29 8.30.33.90.3 6.73.8 0.770.18 2.60.68.10.1 84.8 0.60.08 8.60.9二、混合运算。 0.720.325.3 8.90.673.33 51.827.223.8 67.7336.524.22 73.7133.1614.46 4.832.321.18 50(6.940.1) 88.6(17.82.8) 8.762.052.06 一、口算。 1.70.3 6.34.7 0.890.35 8.40.76.50.5
19、 7.63.4 0.840.1 4.30.31.40.6 6.80.5 0.840.03 3.90.33.70.1 6.62.9 0.840.26 1.80.77.40.8 8.13.2 0.790.25 60.42.90.2 6.23.3 0.820.15 5.20.26.80.4 8.90.2 0.70.03 8.20.65.60.8 6.91.4 0.780.32 3.60.4二、混合运算。 0.850.388.2 8.80.714.29 78.411.348.3 88.1338.7238.7 77.2842.3817.9 9.261.644.37 60(4.810.41) 68.7(1
20、56.9) 7.445.251.85 一、口算。 4.10.2 6.80.3 0.740.44 6.70.73.70.8 6.62.5 0.840.42 2.70.96.20.7 6.92.9 0.790.04 3.20.58.80.5 6.91.9 0.690.21 7.10.38.90.1 6.63.5 0.670.25 7.10.58.30.2 8.64.6 0.840.23 3.80.43.60.2 8.54.2 0.690.21 5.50.42.10.9 63.6 0.710.42 1.80.7二、混合运算。 0.850.282.5 5.40.22.8 85.85925 71.6634.8921.22 77.0339.9668.99 4.943.331.31 20(6.090.66) 88.2(27.35.4) 8.852.015.95 一、口算。 3.50.9 6.50.1 0.860.21 90.33.50.3 6.93.4 0.740.06 1.80.35.80.6 7.31.2 0.
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