1、四年级数学下册小数加减法专项练习题15一、口算。 8.80.3 0.25.4 29.86 0.80.327.50.2 5.42.9 8.24 0.510.392.60.7 5.30.2 98.54 0.770.388.90.1 6.62.5 6.24.7 0.890.331.60.8 2.94.3 78.34 0.520.45二、笔算。 9.090.64 42.471.82 8.196.76 62.943.3 9.656.66 13.952.95 1.760.23 20.658.58 6.510.78 64.189.88 7.433.28 88.130.2 9.033.58 93.166.21
2、 4.980.59 93.317.28 一、口算。 4.90.9 54.8 52.31 0.50.457.80.9 9.40.5 7.11.1 0.740.167.80.6 2.14.6 98.43 0.610.118.20.7 9.60.6 7.82.7 0.520.345.50.9 9.26.2 95.67 0.690.02二、笔算。 5.80.67 58.614.98 7.062.16 51.343.4 9.951.31 78.897.27 2.60.67 88.298.23 3.610.09 12.885.85 8.496.41 74.130.2 7.546.73 93.299.55
3、8.360.47 83.788.64 一、口算。 20.2 5.30.5 47.46 0.950.291.10.3 63.6 6.50.4 0.580.185.10.7 8.88.6 11.88 0.570.038.40.6 7.91.9 6.33.5 0.650.188.10.4 3.87.8 57.62 0.80.39二、笔算。 3.630.76 87.298.05 9.633.2 54.630.7 7.316.22 70.065.26 1.940.23 98.633.54 5.50.61 18.044.86 9.276.94 8628.2 8.532.94 75.063.93 6.510
4、.32 12.794.7 一、口算。 8.20.9 24.2 74.81 0.630.185.80.7 7.93.4 9.42.2 0.730.433.90.4 1.60.1 27.32 0.740.364.70.6 9.94.1 6.21.8 0.730.1640.6 4.24.9 80.33 0.680.49二、笔算。 4.240.52 50.689.48 9.66.11 95.64.5 9.743.02 90.645.76 1.530.2 83.375.42 4.820.1 92.144 8.182.16 97.139.1 7.655.88 29.468.97 3.320.06 16.3
5、48.54 一、口算。 2.70.7 9.42 88.71 0.650.134.90.8 9.61.9 8.44.4 0.730.433.70.5 0.75.1 46.84 0.980.198.70.7 9.21.5 8.51 0.80.087.90.8 4.37.5 38.69 0.530.32二、笔算。 3.660.08 66.454.51 7.416.07 90.614.5 8.535.67 63.987.61 4.810.61 44.051.93 5.770.4 51.757.52 8.116.88 73.848.9 9.891.57 27.877.01 8.160.24 83.273
6、.99 一、口算。 4.90.9 6.20.1 42.94 0.560.284.30.4 8.93.9 6.12.2 0.550.132.20.8 1.92.1 19.67 0.840.321.10.6 6.14.3 8.21.1 0.640.041.80.3 8.28.9 23.75 0.590.27二、笔算。 9.470.78 39.036.36 8.313.87 99.223.1 9.452.48 34.245.21 1.420.88 41.294.83 60.34 48.937.46 9.922.76 84.410.9 8.452.34 26.848.6 4.940.91 22.698
7、.34 一、口算。 4.90.2 51.9 14.66 0.860.498.50.2 5.31.8 9.92.7 0.920.372.70.5 5.90.1 55.58 0.620.3260.7 5.23.9 8.40.5 0.520.155.60.4 67.5 45.29 0.530.08二、笔算。 4.520.06 91.615.33 7.354.49 76.137.2 9.971.81 40.38.12 5.180.89 54.818.59 7.140.54 21.621.38 7.14.21 99.343 9.972.67 50.893.26 4.530.19 603.07 一、口算。
8、 7.20.4 6.67.7 76.38 0.670.267.50.3 64.8 7.93.9 0.930.028.20.7 6.42.2 15.32 0.610.3720.4 8.73.4 7.64.2 0.980.331.10.9 1.94.9 48.93 0.890.43二、笔算。 3.250.1 47.381.36 9.986.81 78.541 7.266.33 489.69 5.140.88 62.983.43 8.230.41 24.195.47 7.114.18 53.647 8.295.79 61.019.36 9.640.06 60.461.72 一、口算。 8.50.3
9、4.84.6 77.29 0.790.324.70.5 8.74.4 8.62.8 0.90.077.50.7 15.7 76.72 0.870.358.90.2 9.12.5 9.65.6 0.950.2860.1 4.60.3 20.85 0.990.08二、笔算。 1.650.52 21.672.52 8.421.26 57.714.1 8.194.76 28.65.98 8.120.94 41.723.94 4.970.62 20.155.31 8.932.02 72.924.5 7.52.96 84.016.33 7.690.65 41.956.9 一、口算。 2.20.7 9.26
10、.3 56.64 0.930.443.50.6 54.2 9.14.6 0.580.3130.7 0.56.2 14.56 0.50.332.30.3 5.52.6 8.74 0.90.368.60.4 7.81.4 64.59 0.970.21二、笔算。 1.520.47 65.477.37 8.695.72 57.242.7 8.881.42 56.229.24 4.380.37 41.154.33 7.640.8 75.275.84 8.694.3 98.112.6 8.135.16 82.083.06 4.230.49 97.017.05 一、口算。 3.40.3 0.27.4 17.
11、43 0.770.052.90.8 5.30.5 9.25.4 0.660.091.40.2 7.88 49.92 0.580.134.70.6 8.91.1 93.9 0.730.085.90.9 8.97.8 42.81 0.520.44二、笔算。 1.470.05 79.062.37 9.223.74 85.642.5 7.892.23 40.129.71 5.920.95 31.264.14 4.020.43 48.253.52 86.82 91.931.5 9.21.83 23.622.9 7.540.86 14.189.45 一、口算。 1.20.7 20.9 53.56 0.67
12、0.237.90.3 8.54.8 8.62.8 0.60.41.40.2 0.90.7 82.86 0.710.022.30.9 7.94.5 9.74.8 0.890.083.60.3 3.32 83.91 0.820.28二、笔算。 8.960.9 77.541.65 8.996.13 98.631.3 8.555.24 43.28.57 3.450.42 42.795.95 6.730.89 32.623.89 8.855.2 64.515.6 7.713.67 39.643.08 4.380.6 74.393.31 一、口算。 40.4 23.5 52.24 0.840.493.10
13、.6 9.91.8 95.2 0.80.475.60.2 83 62.46 0.610.443.70.9 9.51.1 84.4 0.770.053.30.5 2.33.7 77.53 0.580.03二、笔算。 8.60.43 15.47.99 8.455.28 86.59.7 86.47 50.062.86 7.920.03 46.575.42 9.390.94 97.923.79 7.912.48 9521.5 7.366.2 21.64.28 4.950.11 63.253.59 一、口算。 3.30.5 0.64.7 16.69 0.60.376.10.3 6.64.6 6.32.3
14、 0.880.068.20.4 7.41.5 57.96 0.690.396.70.4 8.14.7 6.75.6 0.760.432.30.5 9.62.5 65.64 0.670.3二、笔算。 9.130.74 73.127.08 8.622.29 95.115.4 9.541.38 22.486.57 5.140.64 43.772.87 8.80.42 23.491.94 9.913.59 94.321.6 8.636.39 59.438.53 1.230.35 63.464.24 一、口算。 8.30.6 7.58.7 28.46 0.90.035.50.1 6.10.8 6.94.
15、3 0.70.154.70.7 7.10.8 83.95 0.620.216.40.5 5.20.9 9.71.4 0.820.134.80.4 6.24.9 39.26 0.960.32二、笔算。 9.140.15 30.712.25 9.772.84 91.240.3 8.262.46 61.038.19 1.380.3 68.459.45 1.90.23 97.478.04 9.413.64 90.837.3 8.962.97 82.614.98 1.810.21 69.36.19 一、口算。 50.3 8.33.7 64.85 0.780.296.50.1 6.13.7 7.12.6
16、0.720.344.30.7 0.12.5 19.21 0.780.064.60.5 5.74.7 9.31.3 0.930.258.50.3 9.51.6 84.81 0.790.48二、笔算。 9.790.44 62.062.69 8.994.37 95.317.9 9.295.98 40.425.13 1.080.57 95.729.01 3.480.01 99.068.44 7.412.35 5711.4 9.362.98 46.621.51 1.140.79 58.79.63 一、口算。 5.30.2 1.38.3 40.29 0.970.4310.7 7.22.6 8.95.8 0
17、.780.144.20.2 0.79.3 21.42 0.780.352.30.6 74.4 6.25.5 0.550.136.80.6 9.96.6 86.73 0.780.14二、笔算。 7.630.23 52.559.53 7.085.45 6211.4 9.081.85 50.943.4 3.50.72 79.656.29 2.740.83 75.97.09 7.433.71 89.911.4 7.076.85 54.011.16 8.290.79 30.615.04 一、口算。 1.80.7 1.69.1 22.43 0.730.1570.5 90.8 80.7 0.80.128.2
18、0.3 1.41.1 19.25 0.940.073.30.6 9.81.7 8.13.3 0.750.48.20.5 6.69.8 62.58 0.980.33二、笔算。 4.370.51 45.928.76 9.244.64 56.319.9 7.633.02 80.29.46 1.820.9 75.378.01 6.850.51 98.777.05 7.751.55 67.312.2 8.664.17 65.225.06 1.860.85 13.573.32 一、口算。 6.10.9 4.53.1 12.96 0.910.3730.2 7.73.6 8.20.2 0.590.383.50
19、.9 3.60.3 85.27 0.80.266.70.4 9.53.4 9.85.8 0.910.4970.1 7.78.3 29.86 0.630.07二、笔算。 9.380.26 24.362.13 7.173.44 66.823.9 8.244.99 24.836.86 5.690.05 41.24.41 4.020.2 67.582.69 7.336.17 56.844.6 7.363.08 79.511.19 4.060.35 72.182.09 一、口算。 4.70.8 5.94.4 35.21 0.870.182.70.8 7.43.5 8.22.1 0.660.41.20.7 1.95.4 22.76 0.650.4690.3 8.54.2 6.40.7 0.880.162.90.6 9.26.3 89.48 0.590.43二、笔算。 2.490.53 97.475.25 9.465.12 53.33.2 9.155.19 34.548.6 6.980.24 21.784.59 5.140.41 99.751.18 7.024.26 73.511.1 9.085.67 36.242.14 4.270.63 54.487.56