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148一、口算。 3.10.8 7.80.6 0.620.36 8.10.22.10.4 6.72.6 0.710.29 3.20.17.30.5 7.72.7 0.630.2 8.10.77.10.2 8.50.2 0.690.16 8.80.68.40.8 6.64.3 0.830.12 1.30.36.40.7 7.90.9 0.620.33 8.20.22.70.9 7.60.3 0.630.39 1.30.96.50.6 7.23.9 0.70.03 4.70.3二、混合运算。 0.670.30.7 9.20.530.47 40.418
2、.418 85.2818.4151.85 73.9840.2423.03 8.165.191.05 30(5.530.47) 97.3(10.85.6) 5.792.512.93 一、口算。 3.90.3 7.24.2 0.60.29 10.45.20.3 7.63.8 0.710.07 4.20.47.40.2 7.54.1 0.650.18 7.20.83.90.6 7.54.5 0.880.05 2.80.17.60.4 6.83.6 0.790.16 2.30.91.40.1 7.40.8 0.610.26 5.70.65.40.5 7.40.6 0.60.05 8.20.48.60.
3、8 8.43.9 0.630.29 3.60.8二、混合运算。 0.710.010.6 5.20.142.86 93.770.717.7 62.5612.8797.45 73.4242.2336.18 5.472.722.18 80(2.80.41) 95.5(18.73.5) 4.392.491.87 一、口算。 2.80.9 7.53 0.720.32 6.60.33.50.8 8.33.9 0.670.05 3.10.640.1 6.31.5 0.610.32 1.70.83.80.2 7.43.2 0.850.31 5.90.32.50.5 8.34.7 0.80.46 2.30.76
4、.20.7 7.11.1 0.90.17 2.60.28.10.9 71.5 0.890.47 3.10.33.80.7 8.13.5 0.830.15 6.50.6二、混合运算。 0.620.42.7 6.60.571.43 74.137.422.7 70.6238.3916.34 70.7546.6828.08 8.681.445.81 80(4.280.3) 94.4(22.26.8) 7.064.052.15 一、口算。 1.90.4 7.91.4 0.830.39 3.50.85.70.7 6.12.2 0.770.3 4.70.45.30.4 8.91 0.720.16 6.70.
5、26.70.4 6.11.8 0.860.36 1.60.88.70.3 8.42 0.670.33 6.20.27.80.3 7.93 0.670.34 2.40.14.20.9 8.10.3 0.60.04 7.90.63.50.2 7.50.3 0.870.33 8.20.9二、混合运算。 0.680.096.2 6.20.182.82 87.13244.3 85.3647.0133.34 89.7935.5630.51 9.216.571.82 50(9.920.9) 96.2(28.36.6) 9.828.151.43 一、口算。 5.30.8 72.7 0.640.31 7.80.
6、22.60.3 7.42.8 0.620.49 4.10.280.6 7.60.4 0.80.39 10.41.90.9 7.21.9 0.720.27 7.80.14.40.3 7.64.2 0.640.46 90.68.30.2 8.71.1 0.890.27 50.11.40.7 8.52.9 0.630.04 10.86.70.2 6.64 0.770.19 8.60.2二、混合运算。 0.660.459.7 7.20.714.29 43.420.415.5 88.9543.5933.14 75.8110.4786.84 4.042.481.18 40(1.330.44) 74.4(2
7、2.95.7) 4.543.041.18 一、口算。 4.70.6 7.44.6 0.690.22 6.80.940.5 7.34.3 0.730.31 3.70.55.50.6 6.54.3 0.670.14 5.30.81.70.2 7.74.2 0.730.28 10.48.50.1 8.13.5 0.690.22 7.10.12.40.6 8.54.9 0.630.15 7.20.840.5 70.2 0.680.17 6.50.15.20.5 73.9 0.670.38 7.10.7二、混合运算。 0.850.355.9 5.90.774.23 84.813.419.8 61.622
8、3.7889.68 77.347.5275.51 4.832.261.52 40(8.710.69) 85.5(13.91.4) 5.12.581.28 一、口算。 5.60.5 7.63.2 0.620.01 1.50.43.10.6 8.62.9 0.70.23 30.410.5 6.44.3 0.730.43 3.50.41.60.9 8.90.7 0.60.31 4.30.46.60.9 7.93 0.80.21 50.65.30.4 8.93.6 0.810.37 8.30.88.40.2 6.20.2 0.90.49 1.50.110.1 6.93.2 0.90.11 8.60.6
9、二、混合运算。 0.740.230.4 8.70.83.2 80.34513.9 61.9443.123.63 89.5311.8976.74 3.621.981.17 20(5.540.34) 93.5(26.19.6) 7.896.381.23 一、口算。 1.30.6 6.92.4 0.760.46 80.18.60.6 7.31.7 0.660.45 6.90.77.60.5 7.61.6 0.620.17 1.60.42.90.8 6.51.2 0.850.41 4.10.91.30.1 8.43.8 0.850.33 2.80.31.10.1 6.92.4 0.860.07 4.1
10、0.42.80.2 7.72.9 0.770.43 7.20.62.50.4 61 0.790.36 2.40.2二、混合运算。 0.880.13.2 8.70.41.6 54.83319.5 67.6822.1261.54 65.329.9997.13 4.843.311.12 30(2.460.2) 63.4(21.56.2) 5.282.792.23 一、口算。 5.70.4 7.30.1 0.90.43 3.60.81.10.5 63.6 0.740.05 7.10.32.10.6 7.82.2 0.630.12 7.80.85.40.1 7.83.2 0.640.05 2.40.11
11、0.9 8.53.9 0.850.03 5.90.450.3 7.53.5 0.720.05 3.70.65.50.3 7.23 0.820.01 7.80.27.10.6 6.70.5 0.770.01 8.30.2二、混合运算。 0.690.335.4 5.30.220.78 89.251.219.3 74.9323.9732.33 84.7436.5533.18 3.721.092.32 90(1.040.49) 97.6(10.82) 4.871.351.18 一、口算。 2.90.1 7.80.4 0.770.18 5.90.44.90.4 6.92.4 0.630.04 5.50.
12、96.80.4 8.30.5 0.790.23 7.70.72.10.4 6.33.1 0.660.24 5.60.84.50.8 8.71 0.790.12 7.40.13.90.4 6.30.9 0.610.45 1.70.11.20.4 8.60.6 0.720.13 6.50.53.10.2 84 0.670.1 5.40.7二、混合运算。 0.860.255 7.90.754.25 68.637.421 67.3918.1580.62 62.1833.3731.32 8.555.171.46 50(1.080.54) 71.6(24.64.9) 7.844.651.77 一、口算。
13、7.60.9 7.60.4 0.840.49 6.10.73.60.7 8.52.5 0.750.09 4.60.42.10.5 8.10.5 0.770.1 8.70.68.90.1 84.3 0.710.05 3.90.56.10.2 6.30.5 0.740.44 4.80.38.30.9 8.43.3 0.790.48 6.90.12.30.9 8.23.6 0.820.48 7.10.58.40.2 7.30.1 0.660.12 50.3二、混合运算。 0.670.383.4 5.30.392.61 71.340.326.8 68.0326.1488.72 73.2446.4478
14、.36 5.922.872.15 80(8.440.13) 70.6(15.85.9) 5.021.762.84 一、口算。 8.10.8 8.62.6 0.80.28 2.80.62.20.3 7.24.1 0.630.18 6.20.83.60.7 6.44.4 0.790.08 2.90.58.20.7 7.91.5 0.720.38 3.60.55.60.6 7.74 0.610.13 6.40.94.20.9 6.81.4 0.810.24 8.60.74.40.8 71.4 0.780.04 6.20.34.20.9 6.40.5 0.660.17 1.90.4二、混合运算。 0.
15、690.038.5 9.30.454.55 3811.118.4 84.6110.0739.73 79.4124.4983.96 6.271.054.86 80(2.750.78) 98.6(29.15.7) 5.211.024.03 一、口算。 1.90.3 6.92.6 0.740.36 3.70.25.10.6 7.10.9 0.610.43 8.50.62.30.3 7.60.4 0.830.23 2.30.83.60.9 7.92.2 0.790.23 6.10.75.60.3 8.40.3 0.680.23 1.90.28.80.3 93.9 0.660.03 8.60.63.80
16、.1 6.83.8 0.660.17 6.10.75.90.9 71.6 0.870.48 2.60.8二、混合运算。 0.860.475.3 6.40.283.72 90.638.417.8 76.6319.2199.93 71.7515.4647.59 3.631.41.41 50(5.240.23) 86.1(142) 5.211.021.99 一、口算。 6.60.4 7.52 0.660.28 1.70.84.40.3 6.73.4 0.60.49 60.990.4 8.62.3 0.620.31 8.30.74.40.9 7.93 0.750.32 7.70.580.6 7.21.
17、8 0.90.34 6.40.66.80.5 6.44 0.810.08 2.50.77.80.5 6.84.1 0.870.29 4.80.88.60.4 6.20.8 0.760.3 1.10.1二、混合运算。 0.80.372.4 9.50.841.16 46.816.717.9 67.7318.6814.57 63.2810.2963.23 3.521.711.07 30(1.810.19) 64.7(12.92) 4.21.41.24 一、口算。 6.60.2 7.81.6 0.780.25 90.84.80.1 7.23.5 0.670.45 3.50.85.70.1 6.51.9
18、 0.680.25 60.81.50.4 83.1 0.730.09 5.90.65.40.7 8.71.2 0.670.14 5.20.22.20.4 72.5 0.610.16 3.30.56.90.6 7.62.3 0.710.35 60.65.30.8 8.33.6 0.790.49 80.8二、混合运算。 0.760.191.6 8.80.443.56 90.768.420.6 81.5837.9897.78 72.5839.0788.71 4.791.031.86 30(5.320.23) 81.1(10.14.5) 6.774.631.05 一、口算。 3.20.6 8.20.9
19、 0.60.01 2.10.72.30.6 6.93.4 0.630.48 7.60.43.90.2 8.40.9 0.90.4 1.20.33.20.6 7.33.9 0.890.45 3.60.14.50.7 6.81.1 0.880.49 1.90.65.80.4 7.61.2 0.60.2 5.40.23.90.4 6.92.2 0.880.22 3.50.63.30.1 63.7 0.870.45 1.50.9二、混合运算。 0.760.155 5.60.581.42 94.643.918.9 64.740.6469.26 89.4510.1939.55 7.511.372.52 4
20、0(5.690.82) 95.9(13.26.9) 4.061.511.19 一、口算。 6.50.9 8.20.6 0.650.14 3.50.56.30.6 7.90.9 0.770.35 6.50.31.30.8 8.63.3 0.70.06 8.90.51.80.3 7.91.4 0.750.25 2.20.21.20.2 71.6 0.770.05 2.70.32.60.5 8.80.3 0.810.2 1.10.17.80.5 8.93.8 0.860.04 1.60.27.60.6 8.90.5 0.730.49 80.9二、混合运算。 0.830.024.6 8.80.322.68 37.52112.7 63.0346.4376.86 86.235.766.93 7.794.992.13 50(4.620.49) 73.8(16.79.1) 7.663.782.67 一、口算。 8.10.1 7.73.7 0.680.35 3.20.31.20.1 61 0.650.38 1.60.11.70.8
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