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98一、口算。 3.10.6 7.44.6 0.780.4 90.23.90.3 8.94.8 0.880.08 70.75.10.1 6.11.2 0.690.23 4.80.710.1 63.1 0.810.17 4.60.64.70.9 8.72.1 0.870.33 8.10.220.7 7.81.4 0.750.34 4.50.21.20.2 7.82.9 0.620.41 7.60.82.20.1 7.51.7 0.890.37 8.70.2二、混合运算。 0.780.326.2 7.30.391.61 81.651.611.3 77
2、.5337.9395.65 74.4229.4347.78 5.072.712.23 90(2.510.79) 66.3(26.74) 8.582.614.05 一、口算。 80.6 6.60.8 0.790.12 4.70.73.50.8 7.21 0.620.48 4.50.37.70.9 7.62.7 0.890.42 4.20.11.20.8 80.7 0.880.31 1.70.47.80.7 8.60.4 0.720.09 6.30.45.70.4 6.84.9 0.780.1 30.75.60.2 7.23.4 0.740.45 70.51.60.3 7.11.3 0.770.1
3、2 70.3二、混合运算。 0.60.424.1 5.10.343.66 65.322.535.2 87.7520.5890.64 76.7721.7318.02 4.0911.59 20(2.160.79) 62.4(28.67.7) 3.811.251.46 一、口算。 2.40.1 7.41.4 0.660.25 30.32.20.6 6.90.6 0.830.37 3.60.71.40.2 8.62.5 0.650.42 6.40.94.50.9 8.90.3 0.650.32 4.30.74.30.7 81.8 0.850.37 3.90.37.90.5 8.83.3 0.640.3
4、7 2.60.78.80.6 8.90.5 0.870.01 2.70.92.10.3 6.40.7 0.620.11 8.40.1二、混合运算。 0.680.057.6 7.40.860.14 49.920.918 87.1219.4168.78 60.0539.1750.39 8.192.424.09 50(1.560.92) 61.2(19.89.5) 6.44.861.4 一、口算。 7.10.5 8.74.4 0.820.48 3.20.45.80.5 8.74.6 0.80.17 8.40.32.10.5 6.43.8 0.860.41 5.60.24.80.5 7.90.6 0.
5、630.03 7.50.36.10.7 7.41.5 0.750.26 10.17.10.7 7.23.1 0.720.49 4.80.11.70.9 7.20.4 0.860.07 80.16.10.7 6.40.1 0.650.27 6.60.8二、混合运算。 0.810.064.4 9.90.612.39 55.922.116.6 76.0348.5423.2 78.7417.1293.99 8.596.991.42 70(3.270.93) 68.1(21.16.8) 4.0121.51 一、口算。 2.90.9 6.21.9 0.720.42 4.60.82.60.5 7.20.7
6、0.770.04 1.90.62.30.5 6.20.6 0.730.48 8.50.63.20.3 6.93.6 0.860.36 1.60.28.50.8 8.83.8 0.840.15 1.60.86.50.6 8.32.1 0.820.49 1.20.33.50.6 94.3 0.710.3 2.40.170.2 7.42.8 0.770.47 80.1二、混合运算。 0.780.155.5 5.90.660.34 54.712.631.9 80.5716.9420.56 75.3138.0297.87 5.641.832.32 40(3.210.87) 73.9(11.13.1) 5
7、.782.591.2 一、口算。 20.8 6.92.9 0.80.15 6.50.35.40.8 72.3 0.80.11 4.90.14.80.7 8.32.1 0.790.45 8.50.61.60.4 92.7 0.640.17 2.70.65.40.8 7.60.3 0.750.28 2.30.28.30.8 6.12.6 0.60.13 5.20.73.70.1 70.7 0.860.3 1.70.640.3 8.31.1 0.650.03 2.50.8二、混合运算。 0.810.256.1 6.70.520.48 45.523.113.8 60.411.0869.5 88.063
8、4.3851.1 7.672.593.37 30(7.90.39) 90.8(17.97) 4.691.012.95 一、口算。 4.60.2 7.94 0.620.21 4.90.73.30.2 7.70.2 0.630.04 1.20.270.5 6.33.2 0.680.06 2.90.830.6 8.21.7 0.650.11 5.40.43.60.4 7.90.3 0.850.32 3.20.42.10.3 61 0.710.49 8.50.91.50.7 8.13.7 0.70.13 50.34.60.9 94.4 0.690.27 7.70.1二、混合运算。 0.710.019.
9、5 7.10.890.11 4717.121.3 62.6639.7667.77 69.4734.2336.62 9.41.812.07 50(3.660.76) 90.1(23.22.8) 8.953.451.83 一、口算。 2.40.9 8.41.2 0.860.17 3.80.52.90.2 7.31.7 0.630.41 7.50.63.40.9 7.13.2 0.650.24 2.30.94.70.7 7.22.7 0.780.08 3.30.27.20.1 91 0.840.18 1.50.85.30.3 6.52.1 0.730.31 6.30.32.30.2 6.41.9 0
10、.820.11 30.83.60.7 6.71 0.70.11 5.60.3二、混合运算。 0.840.473 8.50.813.19 82.732.234.2 77.7720.2539.54 65.0638.6188.31 7.661.773.65 60(7.790.4) 67.9(138) 6.051.71.06 一、口算。 4.20.2 6.34.6 0.840.27 6.40.730.8 8.63.2 0.670.01 7.30.33.40.5 8.43.6 0.820.3 40.67.60.5 6.44.2 0.670.46 7.30.25.50.6 7.50.4 0.720.07
11、4.50.25.50.7 7.41.9 0.850.08 40.88.70.4 7.44.4 0.90.09 4.70.17.20.6 6.44.2 0.60.26 20.7二、混合运算。 0.670.330.2 7.30.113.89 98.84618.9 62.8519.0949.78 60.1520.4447.55 3.852.341.34 80(1.380.72) 73.9(12.79) 6.631.751.87 一、口算。 6.30.1 6.81 0.650.33 5.50.62.10.3 6.52.8 0.650.26 2.30.14.80.5 6.14.5 0.790.36 1.
12、70.96.20.5 6.43.7 0.680.48 5.80.27.10.3 7.32.6 0.840.18 6.20.22.50.2 7.53 0.740.35 2.10.540.9 8.70.4 0.750.36 6.20.82.70.8 6.54.9 0.820.01 3.40.1二、混合运算。 0.670.497.9 8.90.30.7 5635.515.5 76.2313.2941.51 62.2240.5810.65 4.171.321.85 80(1.260.91) 98.6(24.76.7) 3.952.161.31 一、口算。 8.70.8 6.81.9 0.730.21
13、3.80.560.6 72.7 0.620.32 7.40.53.30.8 63.7 0.890.41 6.30.91.20.1 8.41.5 0.630.18 1.80.35.50.3 7.50.5 0.820.26 1.60.83.90.1 7.91.8 0.810.16 8.80.44.40.1 7.90.3 0.750.02 4.80.620.4 91.5 0.670.17 8.70.1二、混合运算。 0.680.425.7 70.674.33 96.729.836.9 88.4943.2684.15 71.4845.2893.81 9.063.783.09 60(5.350.98)
14、97.1(276.4) 9.656.851.56 一、口算。 2.10.8 7.13.7 0.710.49 5.90.160.6 90.1 0.640.49 1.40.27.20.6 82.1 0.620.12 3.90.63.80.8 8.61.3 0.710.22 4.80.560.2 61.4 0.630.37 3.50.81.10.7 6.11.2 0.630.4 7.90.630.4 8.63.6 0.770.06 2.30.44.80.2 7.43.7 0.620.17 1.70.5二、混合运算。 0.710.194.2 8.70.113.89 62.323.118.8 88.13
15、32.1753.59 73.7642.832.06 6.941.962.59 60(2.220.54) 85.5(22.75.2) 3.82.051.03 一、口算。 50.3 8.74.5 0.890.11 5.80.750.6 8.54.1 0.760.37 3.60.55.60.7 94.8 0.710.36 4.10.48.70.7 74.6 0.730.01 50.48.50.7 7.52.4 0.750.09 4.40.17.50.8 6.13.5 0.870.26 50.630.6 7.71.5 0.90.35 2.50.15.40.8 6.53.5 0.640.34 7.20.
16、4二、混合运算。 0.820.035.4 8.40.260.74 86.740.820.9 86.4114.7127.74 83.1418.8942.51 6.713.71.65 70(8.660.34) 76.5(18.65.1) 4.582.681.09 一、口算。 3.40.3 8.60.6 0.80.42 4.70.28.20.8 8.93.5 0.670.35 5.70.98.20.9 7.22.7 0.730.43 2.70.480.9 6.20.1 0.690.39 8.90.18.80.8 7.81.7 0.60.16 5.60.57.40.3 7.72.7 0.610.18
17、4.40.61.50.5 90.2 0.880.31 5.80.34.60.6 7.51.2 0.90.03 4.90.8二、混合运算。 0.660.236.5 7.60.253.75 55.631.314.2 85.2523.494.05 66.0417.7449.31 4.552.781.06 90(8.750.94) 80.8(29.29.3) 4.051.22.21 一、口算。 6.40.1 7.10.2 0.810.1 7.70.28.30.8 71.5 0.850.3 2.30.81.40.3 7.60.7 0.880.19 2.70.23.60.6 8.10.9 0.750.32
18、 4.30.84.40.1 92.5 0.870.2 1.60.560.4 63.9 0.650.21 6.70.450.7 8.20.8 0.830.35 8.80.46.90.3 8.82.3 0.610.43 5.70.5二、混合运算。 0.710.430.3 5.80.63.4 88.229.128.7 73.3427.2146.73 82.0412.6234.49 7.0423.95 30(9.430.98) 68(22.64.4) 6.031.891.92 一、口算。 6.70.8 6.13.7 0.770.18 6.70.32.20.5 6.53.8 0.690.39 4.10.
19、81.60.4 7.94.1 0.830.3 6.10.47.70.3 7.72.5 0.860.02 70.22.40.3 7.91 0.90.42 1.80.35.10.4 60.2 0.690.25 1.10.280.1 7.72.6 0.70.45 4.30.78.60.3 7.81.5 0.850.08 6.20.6二、混合运算。 0.790.026.9 9.10.154.85 50.326.413.2 67.5947.3225.41 70.8423.469.58 9.475.151.89 60(1.670.37) 64.7(14.54.9) 6.933.851.21 一、口算。 6
20、.50.7 72.4 0.690.11 1.90.36.20.2 7.44 0.740.41 20.46.70.3 8.70.7 0.90.38 7.60.97.90.2 8.31.8 0.860.43 1.60.57.50.8 8.33.9 0.740.21 5.30.53.50.1 8.12.1 0.630.45 8.10.21.40.8 6.70.3 0.780.12 3.60.88.60.4 6.53.3 0.660.14 2.60.3二、混合运算。 0.870.120.2 7.10.741.26 4920.924.8 75.8920.0370.83 81.1937.3646.55 4.261.071.37 30(6.990.33) 87.9(23.42.5) 7.754.292.5 一、口算。 7.80.9 6.73.1 0.670.48 1.90.93.50.5 93 0.610.32 8.40.83.40.9 71.5 0.710.33 1.80.88.80.1
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