1、四年级数学下册小数加减法专项练习题31一、口算。 7.10.3 3.85.7 93.86 0.970.347.90.6 91.2 8.55.7 0.870.318.30.3 2.71.3 89.52 0.910.081.70.5 6.72 80.2 0.770.193.70.6 72.4 10.77 0.910.34二、笔算。 3.870.83 71.763.46 8.264.76 91.223.7 7.083.49 51.655.54 4.450.45 24.297.84 9.930.97 80.895.73 7.066.01 56.929.7 7.626.41 93.638.63 2.19
2、0.45 90.73.33 一、口算。 5.50.8 9.81.4 79.13 0.50.146.90.4 51.1 8.75.9 0.630.320.1 4.60.8 57.38 0.870.116.10.5 9.13.3 7.31.6 0.720.346.10.8 4.75.6 36.47 0.880.18二、笔算。 6.110.63 93.837.17 7.963.2 5747.8 8.593.73 36.35.43 4.340.61 84.081.33 9.840.97 82.237.34 7.15.19 50.83.2 9.62.21 40.133.04 5.570.84 72.16
3、6.1 一、口算。 6.40.2 9.13.6 86.73 0.730.325.10.2 9.70.8 7.62.6 0.950.362.40.7 5.72.3 62.77 0.720.361.90.1 7.34.2 8.50.4 0.830.1440.3 2.44.1 14.37 0.750.07二、笔算。 3.420.39 70.834.13 7.813.49 71.836.8 8.743.85 94.932.54 8.920.86 78.452.08 7.490.3 35.489.57 7.556.89 84.838.4 8.53.05 22.673.06 6.010.47 27.846
4、.56 一、口算。 2.70.7 4.15.5 99.72 0.760.278.70.2 64.2 6.85 0.670.422.40.5 3.51.2 95.85 0.930.076.50.7 9.81.7 9.31.3 0.590.355.80.9 2.91.1 75.69 0.950.26二、笔算。 5.860.47 66.619.68 7.932.47 96.918.7 7.126.78 70.759.67 1.890.44 22.127.96 9.680.11 59.862.54 8.311.55 73.219 7.194.33 44.291.21 2.880.99 68.941.1
5、1 一、口算。 6.10.7 4.39.8 10.21 0.940.45.40.7 91.2 7.55.1 0.790.386.60.2 3.37.6 46.81 0.720.335.70.6 7.43.9 63.5 0.80.315.40.1 3.38.7 19.27 0.690.01二、笔算。 8.780.98 67.427.27 9.371.06 93.237.1 8.854.9 43.42.82 3.170.92 79.541.94 1.630.72 10.055.03 8.953.07 53.949.2 9.361.06 10.097.25 8.890.16 96.323.86 一、
6、口算。 8.40.5 7.52.7 16.91 0.720.267.40.4 7.33 6.55.2 0.540.336.30.6 1.44.7 84.51 0.710.215.50.5 5.54 7.64.7 0.990.136.60.8 4.48.9 30.27 0.880.26二、笔算。 7.920.74 13.518.54 8.913.8 8726.1 9.682.2 21.644.02 9.420.62 56.891.08 2.20.3 87.574.41 8.515.31 50.235.2 9.933.47 64.343.43 3.860.43 79.67.61 一、口算。 30.
7、9 9.50.5 12.13 0.930.412.20.4 9.60.5 7.32.7 0.760.238.10.3 9.97.8 63.38 0.970.221.70.6 6.31.5 6.82.4 0.670.324.10.3 5.42.5 90.82 0.560.29二、笔算。 2.610.63 55.991.72 8.762.27 67.830.4 7.961.02 87.926.18 1.620.15 97.28.61 1.090.13 64.587.18 9.474.5 77.926.7 8.362.89 54.422.96 3.230.71 39.147.14 一、口算。 1.2
8、0.6 2.67.3 38.97 0.630.41.80.7 9.30.4 6.53.3 0.940.495.60.5 3.44 18.25 0.970.4390.8 7.32.4 7.22.1 0.960.15.70.8 3.77 84.97 0.80.29二、笔算。 5.150.92 21.622.77 7.915.19 76.623.3 7.36.16 45.635.58 3.150.42 84.531.99 5.680.57 69.18.65 9.885.08 89.628.9 8.735.43 22.047.37 4.980.55 64.628.02 一、口算。 3.70.1 0.7
9、6.7 28.66 0.970.437.40.4 6.10.5 81.8 0.540.098.70.1 4.62.2 42.32 0.960.46.60.8 7.93.8 9.42.5 0.560.052.70.2 6.76.8 17.61 0.980.11二、笔算。 8.860.34 24.041.66 7.485.35 97.64.6 9.916.74 60.653.4 3.560.76 42.793.04 8.440.08 10.082.81 7.195.14 8930.1 9.332.34 56.271.4 5.480.2 97.575.8 一、口算。 7.10.8 83.7 30.7
10、5 0.910.141.60.9 8.11.9 7.64.9 0.570.073.30.2 5.66.3 42.93 0.590.286.80.1 6.14.2 95.2 0.990.3710.7 75.1 88.98 0.530.08二、笔算。 8.910.6 21.761.47 7.751.08 5312.2 9.84.58 60.777.01 9.810.32 20.062.71 1.680.34 96.899.65 9.632.53 98.51.9 7.084.05 51.171.78 1.340.04 68.394.8 一、口算。 5.70.7 5.22.1 70.43 0.610.
11、017.80.7 5.14.2 8.25.1 0.850.174.70.2 9.36.2 87.59 0.770.064.10.5 5.12.9 7.55.5 0.990.1830.3 2.11.1 85.83 0.820.39二、笔算。 9.650.98 34.874.28 7.272.07 86.841.7 86.3 40.089.05 9.380.85 76.693.01 8.490.88 43.378.76 8.493.96 81.112.3 7.862.56 28.081.3 3.220.73 42.261.77 一、口算。 4.90.2 8.46.6 88.96 0.720.445
12、.40.6 9.30.3 9.92.4 0.650.147.20.1 3.99.9 58.94 0.650.214.90.1 9.22.9 8.12.9 0.840.0860.9 2.27.2 61.16 0.510.34二、笔算。 1.490.08 49.786.29 8.276.08 98.924.8 9.632.25 76.611.8 2.880.82 75.145.23 5.310.83 34.736.94 7.265.33 59.314.2 8.761.65 79.678.64 5.910.27 17.594.7 一、口算。 3.20.4 7.18.1 44.26 0.990.066
13、.20.8 8.63.9 64.6 0.510.387.80.6 6.96 69.71 0.660.43.90.2 9.94.5 9.52.6 0.710.211.60.9 6.79.9 41.78 0.910.35二、笔算。 5.550.3 90.332.68 7.073.93 60.234.8 8.853.38 47.313.09 2.660.94 35.434.09 1.690.75 38.664.16 8.261.94 83.544.8 7.822.74 46.716.07 8.320.21 36.265.38 一、口算。 2.40.5 4.14.6 32.69 0.540.094.9
14、0.1 5.42.6 6.30.2 0.890.256.30.6 5.37.2 37.87 0.680.313.40.5 5.62.5 8.81.5 0.880.327.70.4 5.42.4 37.61 0.640.29二、笔算。 9.230.57 81.162.23 7.871.62 58.137.9 7.186.44 41.838.15 6.650.09 98.142.21 9.610.08 96.477.68 7.713.86 85.437.1 7.895.55 53.16.06 4.720.4 72.331.28 一、口算。 8.50.3 0.14.3 13.33 0.950.185
15、.40.1 9.30.2 8.45.2 0.740.317.80.7 1.12.6 60.78 0.780.011.60.8 6.23.9 9.20.8 0.920.078.30.8 3.72.8 45.88 0.70.16二、笔算。 8.060.44 44.465.4 9.416.38 5010.4 8.45.49 86.593.26 2.830.96 54.615.52 7.950.22 54.431.82 8.751.7 58.625.1 8.176.76 56.844.51 2.230.54 51.667 一、口算。 1.10.5 1.37.7 46.12 0.840.348.90.6
16、 6.33.3 8.33.5 0.640.062.20.8 7.66.8 35.32 0.740.233.50.9 7.31.1 8.65.4 0.930.013.30.7 5.50.9 18.38 0.660.16二、笔算。 6.630.17 38.084.86 9.624.9 58.26.3 8.783.61 39.929.95 1.560.37 28.597.48 7.840.67 62.522.15 8.111.79 71.49.4 8.974.5 87.589.3 8.690.15 73.179.03 一、口算。 3.70.4 3.96.4 55.49 0.510.325.10.5
17、8.61.2 9.80.3 0.90.078.20.4 35 98.22 0.830.192.10.8 9.61.2 6.85.7 0.510.221.20.9 4.87.8 33.88 0.50.17二、笔算。 6.860.96 30.893.58 8.36.44 83.628.2 9.683.27 94.817.53 4.230.47 61.974.39 9.170.85 26.261.66 9.933.8 81.844.9 9.032.62 31.123.52 3.640.65 52.213.13 一、口算。 4.90.3 8.41.7 99.15 0.590.361.90.1 9.72
18、 8.53.8 0.970.446.80.5 61.2 56.36 0.650.456.30.2 6.71.5 7.22.9 0.620.394.50.8 4.25.9 98.42 0.630.37二、笔算。 2.130.24 51.174.94 9.642.27 97.624.5 9.763.94 28.75.87 3.760.44 32.54.12 1.280.87 51.948.27 7.824.82 96.320 9.985.63 24.455.43 70.2 74.669.15 一、口算。 4.60.4 4.81.2 49.95 0.730.313.60.4 6.21.1 9.30.
19、3 0.630.467.50.3 7.97.5 79.26 0.810.0780.6 5.41.5 6.81.9 0.680.463.90.3 3.79.3 29.23 0.980.16二、笔算。 8.920.59 53.345.41 8.463.54 84.132.1 8.446.09 24.123.68 3.110.03 32.341.95 3.40.93 87.554.18 9.56.87 52.228.4 8.291.46 92.612.56 5.070.09 32.124.48 一、口算。 8.60.8 6.95.5 60.89 0.890.0110.1 6.44.6 62.4 0.870.032.90.6 4.64.8 15.88 0.590.331.30.1 6.41.1 8.70.1 0.620.062.50.7 1.11.1 18.42 0.850.14二、笔算。 4.440.96 24.818.75 8.522.93 51.840.1 7.674.46 72.154.77 2.730.56 23.91.32 6.710.78 60.578.38 9.586.89 94.620.5 9.822.06 50.889.37 7.860.17
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