1、人教版四年级数学下册小数混合运算综合练习题109一、口算。 7.20.1 6.94.8 0.80.05 8.50.21.50.9 6.32.4 0.790.01 5.20.68.90.1 7.53.4 0.710.37 4.50.690.5 7.34.9 0.730.06 3.60.92.60.5 8.21 0.690.49 8.60.63.60.7 82.3 0.850.35 7.70.71.10.2 8.13.8 0.70.08 1.40.21.90.7 6.91.5 0.60.33 6.10.2二、混合运算。 0.680.288.1 9.40.314.69 44.824.320.1 67
2、.7821.9182.84 87.611.6290.53 8.635.211.32 70(1.40.3) 72.3(23.86.9) 7.555.791.58 一、口算。 6.70.3 7.80.7 0.80.4 1.60.73.80.4 7.32.1 0.830.23 3.10.94.40.2 7.52.8 0.860.18 80.23.30.2 8.83.9 0.660.19 8.80.23.60.4 6.73.4 0.770.21 30.78.50.4 7.84.4 0.780.31 1.90.75.10.5 8.53 0.720.41 1.30.62.70.5 8.52.9 0.750
3、.42 30.9二、混合运算。 0.630.155 9.40.572.43 64.219.422.2 62.2924.8758.06 65.8938.5225.9 8.763.213.16 30(8.740.68) 76.9(17.58.5) 4.992.941.19 一、口算。 6.80.6 8.44.8 0.870.14 7.80.54.30.8 7.91.2 0.810.43 4.40.41.40.1 8.51.1 0.610.23 6.90.44.90.5 8.64 0.90.4 7.80.840.7 8.53.7 0.890.32 90.45.20.9 6.92 0.650.05 4
4、.40.98.70.3 6.30.4 0.660.33 1.70.91.90.6 7.61.9 0.610.42 6.40.9二、混合运算。 0.860.225.9 5.60.330.67 87.850.612 78.8223.3634.88 60.6126.3840.26 7.121.542.36 60(7.610.62) 60.9(259.9) 8.36.141.07 一、口算。 8.40.5 8.82.2 0.890.06 4.30.91.80.1 6.42.7 0.790.07 1.50.16.70.6 6.11.1 0.830.15 8.90.36.20.9 73.9 0.90.31
5、 4.60.38.10.3 70.1 0.810.23 8.60.66.80.7 6.54.9 0.670.04 10.55.90.4 6.61.1 0.60.01 2.50.46.80.8 7.11.7 0.870.14 6.80.8二、混合运算。 0.740.242.8 5.70.643.36 85.347.915.4 71.093089.63 77.7846.6518.41 7.0831.79 90(8.20.51) 77.6(24.37.6) 5.262.921.53 一、口算。 30.9 7.52.3 0.870.07 3.30.640.4 7.13.3 0.740.33 8.40.
6、45.20.4 91.3 0.750.36 8.90.34.90.1 8.60.6 0.810.09 8.90.22.90.5 7.74.1 0.80.42 80.96.70.6 7.84.2 0.840.14 1.90.32.80.5 6.83.2 0.840.08 8.20.27.30.1 6.81.5 0.760.19 7.50.6二、混合运算。 0.720.456.8 7.90.73.3 74.317.350.7 73.2633.1966.19 79.0212.0442.13 7.412.344.23 90(7.680.12) 89.3(241.4) 3.71.211.96 一、口算。
7、 7.50.3 7.62 0.790.37 4.10.25.70.5 6.80.3 0.90.13 2.10.25.50.2 6.30.2 0.80.27 5.50.62.90.3 7.23.9 0.660.36 1.10.96.90.5 7.14.8 0.690.01 2.80.58.40.4 8.33.1 0.90.31 8.90.770.6 8.52.3 0.650.46 3.70.72.40.4 7.53.3 0.870.15 6.50.2二、混合运算。 0.660.438.5 5.90.781.22 96.112.232 74.135.7585.49 73.3927.8391.18
8、8.351.471.3 30(2.820.55) 71.9(254.5) 5.581.582.78 一、口算。 7.30.5 8.30.4 0.890.38 1.90.81.80.8 7.53.7 0.730.03 5.50.18.50.1 7.54.1 0.70.38 30.890.4 8.40.2 0.660.06 4.50.17.90.7 7.42.1 0.870.09 2.80.68.30.4 6.44.2 0.750.22 2.60.28.10.4 6.84.2 0.680.44 1.80.860.3 6.92.1 0.860.41 2.70.7二、混合运算。 0.640.459.1
9、 6.80.240.76 42.62412.6 62.7431.5265.92 77.6112.6352.83 5.412.092.66 30(7.270.44) 76.9(19.14.5) 9.083.11.95 一、口算。 8.30.1 7.13.9 0.730.36 4.70.55.80.1 6.23.9 0.720.13 4.50.97.50.8 7.70.9 0.610.49 30.32.50.3 8.33 0.840.04 4.80.22.70.4 8.73 0.790.03 5.80.310.1 6.44.7 0.740.37 3.90.95.70.7 6.72.9 0.70.4
10、8 1.70.25.40.3 8.91.7 0.880.01 2.70.2二、混合运算。 0.710.081.2 6.50.642.36 48.81312.6 81.9715.8160.5 85.7447.6746.96 9.563.541.99 90(4.630.89) 90.7(22.42.9) 5.472.711.74 一、口算。 4.10.9 8.12.6 0.630.36 3.60.91.70.4 7.62 0.860.36 4.80.42.70.6 6.70.2 0.610.36 10.45.20.7 8.22.8 0.850.44 1.20.24.90.4 6.11.9 0.70
11、.42 1.60.55.90.2 81.3 0.850.07 3.80.82.70.7 8.30.5 0.820.16 2.10.74.30.2 90.8 0.860.33 5.80.6二、混合运算。 0.780.433.6 8.20.443.56 84.521.315.2 71.8125.1489.3 77.6541.7953.29 3.872.291.49 50(4.240.81) 65.5(12.84.4) 9.484.534.51 一、口算。 6.50.2 6.63.6 0.630.1 7.20.46.10.1 7.54 0.670.43 1.40.48.80.2 6.42.2 0.6
12、0.35 4.70.41.20.9 7.62.5 0.630.31 5.30.320.3 7.83.1 0.760.21 5.10.74.20.6 7.30.1 0.710.03 3.80.67.10.1 6.60.6 0.810.23 3.30.120.2 6.90.2 0.810.46 2.70.9二、混合运算。 0.710.443.1 6.60.73.3 79.541.633.6 72.5439.4510.61 66.334.6662.26 6.221.43.98 90(4.740.11) 93.8(27.21.1) 5.642.41.7 一、口算。 8.10.3 8.11.4 0.88
13、0.16 5.30.74.50.6 8.10.5 0.710.31 3.90.55.60.9 7.22.2 0.70.32 1.30.55.40.6 7.84.5 0.790.3 2.10.55.70.6 7.21.4 0.690.48 8.50.21.60.4 6.13.2 0.790.14 1.90.15.60.7 7.81.3 0.770.49 3.70.230.4 8.52.7 0.610.35 40.9二、混合运算。 0.760.270.8 9.20.372.63 77.728.727.6 71.419.5762.52 62.9421.9264.65 9.85.571.57 70(3
14、.60.11) 69.3(21.75.9) 9.294.062.93 一、口算。 3.50.6 94 0.730.38 7.90.91.60.6 8.23.1 0.750.14 4.90.55.10.6 6.61.1 0.780.07 4.10.85.50.7 8.32.1 0.820.24 3.60.67.60.8 8.83.2 0.830.1 6.50.21.20.3 8.93.7 0.820.4 5.40.14.80.5 7.80.6 0.840.08 1.20.51.50.5 7.34.4 0.790.1 7.20.9二、混合运算。 0.690.072.1 7.40.140.86 66
15、.412.332.3 68.4923.9488.74 63.6243.7542.27 6.271.262.77 70(7.650.4) 99.9(19.17.7) 8.8771.01 一、口算。 1.40.8 8.82 0.670.45 5.10.62.30.8 7.53.8 0.810.11 2.40.890.1 7.50.4 0.90.42 3.20.68.90.2 8.61.8 0.750.45 3.90.18.10.2 7.50.8 0.820.37 7.80.830.3 7.21.5 0.640.34 40.35.70.2 6.82 0.90.28 1.60.41.20.6 6.72
16、.2 0.80.11 7.90.3二、混合运算。 0.780.384.9 7.20.412.59 46.623.222.4 73.6844.3662.76 76.4631.9599.59 4.72.731.21 70(3.010.24) 65.3(292.1) 4.672.861.27 一、口算。 8.50.4 73.3 0.610.37 5.70.180.7 7.50.5 0.720.21 2.70.33.90.8 6.54.2 0.790.42 1.80.270.4 6.13.5 0.720.34 7.70.45.40.7 94.9 0.840.09 8.10.66.20.5 7.11.1
17、 0.890.24 7.20.37.60.7 7.32.8 0.810.25 7.80.85.70.4 7.94.6 0.630.3 80.7二、混合运算。 0.640.478.6 8.30.270.73 93.112.874 65.5343.5872.14 64.3435.5718.15 9.684.243.89 90(4.680.55) 99.4(17.72.3) 3.981.871.72 一、口算。 90.5 73.6 0.60.47 6.90.94.80.6 7.70.1 0.850.11 5.20.23.80.9 6.20.5 0.850.45 5.50.71.10.8 6.93.8
18、 0.70.26 8.50.78.80.1 7.13.8 0.610.14 6.20.55.70.9 6.14.8 0.850.42 4.40.180.8 8.83.9 0.680.28 8.30.13.40.4 8.62 0.670.28 7.10.5二、混合运算。 0.650.371.6 9.30.572.43 39.315.521.7 78.0316.2716.44 77.7139.3415.18 5.071.943.06 30(3.540.1) 80.3(12.99) 5.422.911.27 一、口算。 60.9 8.54 0.810.28 2.40.14.70.9 6.80.1 0
19、.680.32 8.20.610.9 6.90.6 0.850.37 6.60.560.4 71.6 0.70.01 1.20.26.80.1 8.73.2 0.820.39 2.20.66.50.9 8.63.6 0.90.22 5.10.28.50.6 84.2 0.880.32 6.20.47.70.3 6.12 0.880.39 1.60.7二、混合运算。 0.630.099.6 6.10.191.81 87.823.953.8 75.6811.7480.89 62.4927.6173.27 7.132.93.35 90(4.240.62) 81.3(14.26.7) 8.322.54
20、2.36 一、口算。 8.10.2 7.80.7 0.790.36 1.90.52.50.9 8.70.9 0.630.46 80.86.80.8 63.1 0.870.08 6.30.230.5 7.71.1 0.790.12 8.80.73.60.9 6.60.5 0.640.08 1.10.73.20.2 93.1 0.810.4 3.80.52.40.4 8.80.5 0.850.15 5.30.15.10.5 62.2 0.850.08 8.70.7二、混合运算。 0.660.382 70.214.79 90.736.411.4 65.7847.6174.58 84.4225.7591.43 8.851.384.61 20(5.120.95) 90.5(18.79.9) 8.723.93.08 一、口算。 4.80.7 6.70.3 0.840.46 1.10.45.30.2 6.41.8 0.640.05 5.40.48.10.2 8.20.5 0.860.31 3.40.9
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