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71一、口算。 7.70.3 8.43.9 0.670.49 7.40.68.10.8 64.9 0.860.2 8.80.43.20.3 6.34.5 0.690.1 5.30.91.20.7 6.23.7 0.670.19 5.80.74.20.2 6.70.5 0.680.34 3.30.33.50.5 8.30.3 0.620.44 3.20.55.40.9 7.33 0.830.47 5.70.51.20.1 7.40.9 0.690.27 8.10.9二、混合运算。 0.870.326.8 8.50.123.88 75.612.659
2、.5 61.4346.4367.24 77.6843.0277.16 6.294.61.39 60(1.330.2) 71.9(26.56.6) 7.571.723.61 一、口算。 8.70.3 8.10.3 0.670.31 6.40.46.60.7 6.20.1 0.60.39 1.80.630.6 8.13.7 0.820.3 3.10.57.20.4 71.8 0.690.43 5.20.710.5 6.10.8 0.750.42 5.40.25.60.7 6.80.4 0.840.02 1.60.42.40.6 8.51.7 0.770.36 8.30.52.50.6 8.44 0
3、.620.08 7.20.8二、混合运算。 0.60.384.1 80.724.28 91.257.813.8 77.1730.0256.07 64.9923.9863.67 4.392.311.53 40(1.440.35) 76.7(22.85.8) 5.963.331.6 一、口算。 8.70.5 6.62.1 0.750.37 2.50.15.80.5 8.80.1 0.710.15 7.50.48.60.7 6.43.4 0.880.04 8.60.610.9 7.53.2 0.840.27 7.90.95.50.5 8.51.5 0.750.32 2.20.56.90.3 6.33
4、.2 0.710.08 5.10.63.80.6 6.14.1 0.640.41 5.50.67.70.7 6.50.8 0.610.44 4.40.3二、混合运算。 0.610.254.7 5.30.533.47 36.719.316 79.5848.1848.72 85.1943.2410.64 8.654.263.86 80(4.930.24) 66(157.1) 5.931.272.13 一、口算。 4.10.4 8.21.1 0.90.01 1.80.26.40.7 84.6 0.770.23 4.70.87.60.2 6.52.7 0.840.16 8.10.73.90.7 8.7
5、1.3 0.760.28 2.70.52.60.7 8.60.5 0.620.31 6.30.33.50.6 8.43.3 0.870.11 7.20.17.10.6 6.63.8 0.90.05 3.10.32.30.1 8.10.8 0.830.4 3.90.6二、混合运算。 0.750.121.4 7.20.581.42 79.448.515.9 86.118.8825.25 77.143.1195.16 9.997.212.77 30(7.020.79) 86.9(22.63.1) 5.972.392.17 一、口算。 1.70.4 6.83.1 0.760.33 3.90.51.10
6、.7 6.14.5 0.730.09 8.80.61.30.4 7.44.2 0.870.18 10.450.1 6.54.2 0.620.29 5.60.47.70.8 7.50.8 0.730.28 70.76.70.8 8.64 0.690.31 4.70.83.40.9 8.44.8 0.680.21 3.80.330.9 8.84.4 0.850.1 1.70.5二、混合运算。 0.880.256.9 9.30.590.41 3510.210.2 88.1211.2280.07 75.6230.530.98 9.593.325.34 70(7.210.32) 75.2(25.96.8
7、) 8.276.621.11 一、口算。 4.80.9 8.52.1 0.750.39 7.40.22.40.9 6.33.9 0.630.1 6.20.61.40.2 8.53.4 0.810.43 5.60.67.90.6 6.40.3 0.730.47 4.60.31.60.3 7.33.1 0.820.13 3.60.71.90.4 7.70.7 0.850.19 6.10.68.30.2 73.1 0.710.41 7.40.35.90.2 6.92.2 0.740.21 4.90.3二、混合运算。 0.810.143.1 9.10.570.43 56.833.612 80.9630
8、.448.86 71.2246.8438.15 6.914.082.52 80(9.570.45) 66.6(21.64.4) 7.471.453.83 一、口算。 6.60.3 6.50.3 0.780.45 6.90.74.10.3 8.10.2 0.730.48 3.40.15.30.3 7.52 0.660.02 70.46.10.6 7.10.5 0.720.3 80.25.50.6 7.32.2 0.630.36 4.60.85.70.7 6.10.6 0.880.09 30.18.60.9 6.54.6 0.620.23 1.40.51.60.6 7.60.4 0.870.07
9、7.70.3二、混合运算。 0.90.154.4 5.50.263.74 57.112.526.3 77.2326.0655.83 77.2716.4583.41 8.145.661.44 60(8.090.72) 77.2(19.17.2) 4.161.361.24 一、口算。 5.80.3 8.53.7 0.640.45 3.90.65.20.7 6.72.1 0.670.48 2.80.93.70.2 8.33 0.830.12 8.50.85.20.1 7.90.3 0.620.04 1.30.68.10.5 7.42.8 0.90.26 2.40.83.20.9 7.33.6 0.8
10、60.44 6.10.870.4 6.24.3 0.720.11 6.40.97.60.3 7.44.6 0.730.11 1.70.7二、混合运算。 0.60.365.8 7.40.412.59 96.421.920.1 62.2218.8934.7 83.5846.1461.02 6.353.951.76 20(2.750.4) 91.5(237.7) 4.741.961.87 一、口算。 3.30.4 61.7 0.850.09 2.80.57.70.7 8.73.5 0.630.16 5.80.35.70.1 7.93.2 0.810.31 1.30.51.20.9 7.23.5 0.
11、640.44 7.30.42.70.4 7.83.6 0.850.09 6.50.26.70.8 6.50.6 0.790.11 6.40.34.10.2 7.41.2 0.90.16 5.10.15.20.8 7.64.8 0.60.46 7.80.6二、混合运算。 0.760.073.7 9.90.50.5 89.518.821.3 63.0228.0718.27 82.9731.9762.2 8.656.091.65 90(1.80.82) 94.6(27.34.2) 7.592.343.61 一、口算。 6.80.5 7.81.1 0.90.29 3.50.25.60.9 6.93.1
12、 0.660.2 6.10.88.50.6 6.14.6 0.880.18 50.91.60.2 8.21.4 0.780.37 40.860.1 7.51.7 0.630.42 8.50.71.40.9 6.61.3 0.850.43 3.30.33.50.1 8.51.1 0.640.39 1.40.31.20.9 8.33.1 0.730.03 2.60.9二、混合运算。 0.890.467.6 5.60.192.81 59.712.517.8 72.1841.1798.29 60.6315.8520.72 9.15.181.92 20(9.50.28) 92.2(129.4) 5.29
13、1.513.48 一、口算。 90.2 7.54.5 0.740.3 4.70.78.50.1 6.63.1 0.760.11 7.30.77.30.8 6.43.8 0.750.13 7.40.26.30.9 8.54.3 0.870.27 8.70.58.80.7 7.23.5 0.820.22 6.30.56.40.6 63 0.740.37 7.40.48.70.8 61.9 0.880.09 6.30.73.40.9 6.24.9 0.620.28 8.20.6二、混合运算。 0.630.242.9 6.30.473.53 59.614.726 81.6728.712.86 72.3
14、148.0326.93 9.164.052.25 70(7.620.57) 83.8(26.15.5) 5.353.141.18 一、口算。 1.80.9 7.81.5 0.730.49 8.90.630.2 6.60.4 0.660.13 50.74.90.8 6.32.5 0.70.46 7.30.18.10.9 71.2 0.750.17 6.80.12.30.2 6.11.2 0.740.17 5.10.84.50.1 6.42.8 0.640.45 4.10.93.50.9 8.23.7 0.710.36 8.60.67.50.4 8.52.3 0.810.01 2.80.3二、混合
15、运算。 0.720.34.2 5.10.242.76 62.637.516.6 61.0123.7878.8 65.5827.1322.07 9.151.022.78 60(4.910.75) 96.4(26.15.9) 8.561.251.19 一、口算。 4.40.4 6.94.8 0.780.11 2.40.35.70.5 8.14 0.770.36 7.60.16.20.4 8.24.4 0.710.21 7.40.33.80.1 7.51 0.720.15 4.80.12.70.5 8.62.3 0.610.49 2.60.86.30.7 8.61.8 0.730.29 4.30.7
16、7.50.7 7.23.7 0.660.45 1.20.52.50.6 7.40.5 0.760.25 1.30.7二、混合运算。 0.830.275.9 8.10.353.65 73.65814.7 79.9623.9935.08 85.4645.9841.65 5.683.961.27 20(3.540.31) 69.4(29.47.1) 5.441.183.74 一、口算。 40.4 6.34.2 0.680.49 4.10.53.50.4 7.81.5 0.840.49 7.90.22.40.5 7.94.5 0.750.18 6.30.13.70.8 8.51.8 0.80.16 3
17、.20.410.4 8.23 0.840.07 30.15.90.7 7.11.9 0.80.25 4.80.94.70.2 6.32.3 0.660.05 4.70.51.70.8 6.22.1 0.820.33 6.30.4二、混合运算。 0.870.124.4 6.10.140.86 43.323.117.5 86.432.1466.53 81.9547.0449.91 5.441.913.35 60(5.950.99) 82.3(17.35.3) 8.253.973.28 一、口算。 7.60.7 7.52.6 0.760.22 8.50.74.30.2 7.92.6 0.770.23
18、 2.10.63.10.3 74.7 0.630.22 2.30.24.70.6 8.31.2 0.850.35 8.70.65.60.6 7.30.4 0.660.34 60.33.20.9 8.72.7 0.710.48 6.90.33.90.1 74.3 0.730.19 5.70.74.60.8 6.21.7 0.730.18 1.90.9二、混合运算。 0.620.217.3 8.30.664.34 95.86924.4 70.0535.6615.18 62.6110.4483.67 8.082.621.65 20(6.060.23) 78.8(14.24.8) 3.992.211.
19、75 一、口算。 4.40.6 7.93.2 0.60.3 7.30.84.20.8 8.11.4 0.650.4 6.20.14.40.2 8.72 0.850.19 3.20.58.10.3 74.4 0.760.12 4.20.25.80.7 8.61.5 0.80.21 20.73.70.6 7.82.4 0.880.35 8.60.33.80.1 8.92.7 0.730.18 8.90.55.30.4 8.91.6 0.870.39 4.80.6二、混合运算。 0.830.292.3 7.70.530.47 36.116.810.3 65.3617.2677.71 65.619.7
20、950.2 6.324.291.9 30(2.390.5) 66.9(18.89.3) 5.181.442.54 一、口算。 5.40.3 7.24.9 0.870.25 80.81.30.1 93.2 0.780.07 4.80.43.80.2 7.82.6 0.750.39 50.42.90.5 8.93.4 0.810.37 40.450.6 8.51.7 0.840.31 50.16.80.7 8.23.8 0.690.44 40.46.80.4 8.60.1 0.810.48 6.40.91.80.2 8.52.4 0.620.32 5.70.4二、混合运算。 0.750.052.1 6.50.883.12 88.159.720.8 89.0138.8999.44 84.9636.0489.35 7.943.444.48 20(8.710.16) 92.4(10.65.8) 6.91.235.38 一、口算。 8.20.8 6.10.3 0.790.26 3.40.22.20.1 8.94.4 0.610.09 7
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