1、人教版四年级数学下册小数混合运算综合练习题17一、口算。 50.8 8.33.1 0.810.01 7.60.35.90.7 8.21.1 0.860.35 7.60.83.70.9 8.63.9 0.830.38 5.80.37.80.8 8.23.6 0.640.31 10.280.3 74.2 0.730.05 5.60.32.70.9 7.41.4 0.620.23 3.10.64.60.8 93.2 0.90.47 7.90.37.40.3 7.73.2 0.660.21 4.70.1二、混合运算。 0.810.021.7 5.30.352.65 55.410.440 71.3112
2、.138.7 85.2635.5359.05 7.74.581.6 70(6.710.93) 85(12.73.9) 6.412.491.69 一、口算。 6.30.6 7.24.1 0.670.28 2.50.66.10.9 6.20.3 0.790.03 7.70.27.50.1 92.5 0.890.48 90.17.80.1 6.12.5 0.80.28 2.30.32.30.6 92.6 0.660.46 1.70.74.90.6 8.52.9 0.720.06 6.20.45.40.8 8.84.4 0.880.42 2.20.73.20.1 7.83.4 0.780.36 4.7
3、0.9二、混合运算。 0.610.320.8 6.50.753.25 41.714.619.5 60.1128.884.15 76.7222.5290.67 6.473.862.03 40(1.880.37) 94.8(28.76.5) 7.736.11.04 一、口算。 8.20.1 64.2 0.640.24 1.70.26.50.3 7.24.2 0.680.17 3.20.13.80.4 8.32.2 0.710.15 8.30.74.70.2 6.21.6 0.810.13 6.10.81.70.3 7.21.5 0.90.45 60.44.60.9 8.34.7 0.620.31
4、80.17.90.1 8.54.3 0.630.07 10.11.10.8 7.30.9 0.770.22 2.90.6二、混合运算。 0.80.073.6 6.50.452.55 69.542.823.9 85.845.5593.48 60.9220.9969.11 8.291.056.47 30(9.610.81) 92.2(25.14.5) 8.523.863.77 一、口算。 3.70.6 7.50.2 0.750.06 8.20.41.80.2 6.24.5 0.660.18 3.40.67.60.3 8.21.7 0.750.49 2.60.56.30.8 6.12.2 0.620
5、.39 2.30.46.90.8 6.44.9 0.690.02 5.70.37.40.8 94.1 0.60.43 8.30.83.10.3 8.12.3 0.720.44 1.50.51.40.9 6.31.1 0.610.34 3.60.8二、混合运算。 0.750.062.6 7.60.114.89 47.722.621 61.2931.9619.36 80.0425.8855.21 5.842.062.73 40(1.330.79) 71.8(10.14.3) 5.663.021.44 一、口算。 3.90.9 7.23.4 0.810.08 3.70.84.90.1 8.30.1
6、0.770.22 10.18.40.7 6.92.4 0.660.03 7.90.42.40.3 8.62.4 0.740.21 10.87.20.1 64 0.750.38 6.70.14.50.6 7.20.5 0.880.37 8.40.44.60.8 8.91.4 0.680.2 1.60.480.1 71.4 0.710.14 3.80.4二、混合运算。 0.880.434.9 7.80.610.39 88.852.521.4 76.5843.0159.86 70.5732.3777.73 8.315.522.04 80(2.850.55) 87.1(26.34) 7.214.511
7、.53 一、口算。 2.50.6 8.14.1 0.760.11 3.30.88.50.3 8.81.3 0.840.28 7.80.41.60.7 7.93.5 0.850.26 2.90.57.20.4 6.20.4 0.610.09 6.20.84.70.6 8.33.7 0.860.49 7.50.96.70.4 8.24.1 0.890.08 6.80.86.50.5 7.80.2 0.820.39 3.70.23.80.1 6.42.4 0.790.39 1.10.1二、混合运算。 0.70.294.2 9.80.84.2 50.723.917.7 76.8535.7356.81
8、67.5230.8552.68 6.584.091.67 60(6.420.33) 67.4(29.19.4) 9.786.592.11 一、口算。 10.8 8.42.5 0.730.37 1.90.97.60.4 6.24.1 0.810.22 2.50.55.20.6 8.12.5 0.620.43 1.80.16.70.9 6.42.6 0.830.36 8.10.22.20.6 8.62.5 0.890.14 7.20.58.80.8 80.9 0.820.3 3.30.96.40.7 6.71.6 0.830.17 7.80.43.70.8 7.62.7 0.820.35 6.70
9、.8二、混合运算。 0.640.314.3 5.50.152.85 52.135.111.8 85.3746.313.17 65.7922.8140.04 6.721.61.88 90(5.840.44) 76.7(27.23.4) 4.773.21.28 一、口算。 1.90.5 92.2 0.890.03 7.10.21.40.5 8.82.1 0.790.43 7.90.44.70.4 6.93.1 0.720.15 5.70.84.70.1 7.10.9 0.860.39 6.70.78.50.3 7.53.2 0.830.1 20.18.70.3 6.71.7 0.820.4 2.5
10、0.43.60.4 8.20.3 0.610.08 6.10.45.30.9 8.33.1 0.880.36 5.40.7二、混合运算。 0.890.035.1 8.20.180.82 85.350.423.5 84.4918.5736.84 83.4136.4964.26 5.322.971.2 80(8.60.84) 66.2(22.95.3) 9.661.254.16 一、口算。 4.40.4 8.81.3 0.750.35 7.80.54.80.2 7.40.3 0.780.19 3.90.47.10.7 93.8 0.650.04 2.20.84.40.4 8.22.4 0.760.
11、26 3.80.23.80.4 7.30.8 0.650.27 1.80.36.10.5 8.51.2 0.750.38 4.70.23.30.9 7.44.3 0.860.39 5.80.16.30.4 8.63.6 0.890.08 3.30.3二、混合运算。 0.720.415.6 9.30.462.54 60.119.837.7 76.8828.0213.96 78.5239.5975.25 5.363.621.41 70(3.010.32) 82.6(16.95) 9.891.525.87 一、口算。 5.40.5 82.7 0.750.4 3.90.68.60.7 83.3 0.7
12、50.29 6.60.14.30.3 71.1 0.840.13 7.80.37.50.7 6.24.6 0.780.28 7.30.690.6 71.1 0.720.03 3.60.46.60.1 6.44.5 0.650.33 5.80.72.70.8 8.31.8 0.70.08 5.50.33.30.1 8.64.1 0.890.45 4.90.9二、混合运算。 0.840.425.3 9.80.584.42 72.729.913.8 87.222129.86 63.7118.5320.98 8.843.361.45 50(9.790.39) 65.2(20.45.3) 4.632.4
13、51.14 一、口算。 3.10.4 6.33 0.60.2 1.20.840.4 6.82.9 0.80.32 8.10.63.80.1 7.10.7 0.640.43 8.40.22.90.1 62.8 0.720.23 4.50.160.5 6.21.8 0.690.47 3.10.21.60.4 8.91 0.740.21 7.10.23.40.1 7.52.1 0.640.42 7.50.11.70.7 6.62.9 0.860.16 1.10.8二、混合运算。 0.740.212 7.90.431.57 88.657.129.5 84.823.3869.34 77.2513.852
14、2.85 8.35.531.87 20(6.930.83) 67.7(14.51.7) 4.852.092.47 一、口算。 6.40.1 7.33 0.830.17 8.80.94.40.1 8.23.5 0.780.3 1.40.97.90.7 6.23.5 0.790.39 1.10.34.70.6 7.43.2 0.640.03 6.20.31.70.6 6.83.7 0.820.16 7.50.61.10.2 6.71.7 0.90.48 1.70.13.10.9 6.73.1 0.780.14 3.90.61.20.9 7.84.2 0.810.04 8.30.4二、混合运算。 0
15、.880.069.8 70.753.25 89.124.827 89.7522.8913.71 83.6710.2394.91 4.873.091.78 80(9.960.99) 69.4(15.79.3) 6.665.041.43 一、口算。 8.20.6 7.62.2 0.720.02 8.10.52.70.3 7.33.8 0.720.04 7.60.870.1 6.33.4 0.760.08 6.10.14.90.5 8.32.1 0.770.25 4.60.73.40.2 7.72.7 0.680.32 5.10.26.90.7 7.52.5 0.750.35 7.20.44.70.
16、7 8.51.1 0.680.31 6.50.92.90.6 8.90.5 0.870.41 5.60.4二、混合运算。 0.660.047.9 6.90.72.3 82.915.634.8 84.9826.6766.5 80.4413.5451.09 5.612.51.77 40(1.090.14) 84.4(25.66.5) 6.631.642.37 一、口算。 10.3 8.42.4 0.660.37 2.90.38.60.2 6.12.5 0.720.13 5.40.83.80.9 7.32.9 0.840.32 3.70.97.50.8 6.11 0.690.24 8.20.57.6
17、0.2 8.82.2 0.60.23 1.20.42.80.5 7.24 0.840.01 1.50.88.10.4 8.32.9 0.880.33 80.75.90.5 6.83.5 0.630.38 4.70.7二、混合运算。 0.60.491.2 5.20.371.63 93.95724.1 7525.3213.4 63.0123.3752.75 6.141.452.22 50(6.990.22) 85.1(25.73.5) 6.124.551.41 一、口算。 30.5 6.33.6 0.670.25 5.80.15.40.9 6.84.3 0.850.22 1.30.46.30.5
18、6.50.4 0.610.11 3.50.65.90.8 7.50.3 0.620.09 3.20.82.60.1 7.60.2 0.630.43 4.20.16.60.6 8.92 0.760.32 6.50.18.10.7 6.72.9 0.690.43 7.70.48.60.7 7.51 0.870.03 4.70.4二、混合运算。 0.820.052.5 7.10.190.81 57.239.512.1 86.521.0988.61 80.3924.4549.01 3.671.041.11 50(1.430.62) 83.7(13.93.5) 3.811.941.47 一、口算。 1.
19、10.2 7.44.8 0.840.19 1.90.55.40.1 7.64.8 0.860.34 3.60.16.30.1 7.42.3 0.760.09 1.50.25.20.6 6.33.2 0.60.17 3.10.430.6 6.72.3 0.60.03 50.250.2 7.93.9 0.620.27 3.30.38.70.3 6.34.7 0.860.21 7.10.83.50.1 8.53.4 0.710.11 8.90.9二、混合运算。 0.870.082.5 9.40.413.59 86.932.926.8 72.0414.5494.28 7932.8780.57 8.61
20、2.975.24 70(2.680.73) 86.2(24.15.7) 3.851.521.33 一、口算。 2.20.4 8.31.4 0.740.48 3.50.42.10.9 6.24.7 0.820.46 1.70.97.50.3 7.42.8 0.670.47 8.90.44.60.9 8.23.6 0.650.08 4.50.43.20.7 72.4 0.870.22 6.90.65.10.4 8.72.9 0.90.3 5.30.45.20.1 7.90.2 0.880.03 2.20.37.90.4 60.4 0.630.44 2.70.4二、混合运算。 0.720.16 6.80.711.29 57.616.133.4 60.446.9198.19 64.9323.5531.78 3.951.611.75 70(2.630.89) 73.4(209.3) 3.931.441.91 一、口算。 1.20.7 62.5 0.710.46 1.50.950.3 94.4 0.680.19 4.70.53.
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