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43一、口算。 2.50.8 8.70.4 0.60.44 3.50.25.90.3 6.93.6 0.850.45 4.50.33.90.3 6.11.6 0.750.34 80.15.70.3 7.32.4 0.70.18 4.10.74.40.5 7.92.9 0.770.32 4.90.48.20.6 6.42.8 0.640.11 5.80.55.50.8 8.74.5 0.80.05 3.80.92.30.1 8.50.1 0.60.23 1.50.2二、混合运算。 0.620.430.9 9.80.174.83 49.716.522
2、.2 73.4745.6737.42 69.9918.3273.81 8.354.012.75 20(3.40.37) 85.4(15.24) 9.317.381.21 一、口算。 2.60.2 8.51.3 0.770.01 4.60.44.70.4 6.54.7 0.750.3 5.30.83.30.5 8.93.7 0.840.25 6.80.57.40.3 8.11.9 0.740.4 4.40.81.40.1 6.31.7 0.620.07 7.20.55.90.5 7.60.8 0.630.09 1.50.64.30.3 7.44.7 0.720.41 2.10.53.10.8 6
3、.43.5 0.770.15 1.90.9二、混合运算。 0.740.116.9 9.50.542.46 40.215.512 62.5810.3533.1 78.0346.926.05 4.822.231.63 80(8.420.4) 90(113.4) 4.922.561.29 一、口算。 4.40.9 7.24.7 0.880.39 90.42.70.4 7.70.4 0.810.41 8.40.67.10.2 7.64.5 0.890.46 1.10.47.90.5 6.50.3 0.720.1 70.86.80.1 8.40.3 0.820.46 8.80.770.1 7.92.5
4、0.620.04 5.80.57.60.7 6.91.4 0.620.25 7.20.75.40.7 7.63 0.790.44 1.90.3二、混合运算。 0.870.266.9 8.60.420.58 69.333.612.3 77.9441.4571.02 67.0617.3151.24 9.522.121.97 20(2.260.55) 82.2(13.35.7) 4.271.611.19 一、口算。 4.90.4 8.61.1 0.80.43 2.30.94.80.2 6.74.6 0.790.21 3.80.76.20.3 7.20.7 0.680.02 30.65.20.5 6.
5、21.7 0.740.23 20.38.80.8 6.43.6 0.840.15 4.30.860.9 6.12.5 0.730.26 5.20.53.20.4 6.63.3 0.630.24 1.30.37.10.3 63.8 0.90.37 5.10.1二、混合运算。 0.880.490.3 6.60.241.76 78.358.611 62.6515.0180.82 84.0839.2320.67 8.671.954.55 60(6.160.19) 89.4(26.33) 8.897.321.14 一、口算。 7.70.7 8.70.5 0.660.45 5.40.690.8 6.12
6、0.70.33 1.10.73.70.3 6.72.8 0.730.44 7.70.23.20.3 8.91.1 0.610.07 4.30.78.30.6 7.64.3 0.690.17 6.80.78.10.7 7.44.5 0.780.27 8.40.360.1 6.30.8 0.770.47 1.20.75.90.8 6.14.1 0.740.42 20.7二、混合运算。 0.890.095.9 5.80.360.64 93.573.817.6 65.8835.4633.03 8946.144.32 5.011.261.66 80(4.120.48) 94.6(20.38.2) 8.1
7、73.613.41 一、口算。 2.70.1 64.9 0.810.46 6.70.55.10.2 6.43.7 0.680.06 5.70.82.10.8 6.82.7 0.770.47 4.40.87.30.6 6.91.5 0.690.11 40.68.40.3 6.22.2 0.720.1 8.20.67.90.2 6.31.8 0.690.4 2.50.37.80.8 7.31.9 0.890.01 4.20.43.50.9 6.20.3 0.810.47 8.90.1二、混合运算。 0.850.235.2 5.80.43.6 80.853.115 71.463370.82 79.6
8、916.9930.27 8.253.461.81 50(4.290.55) 69.2(20.79.7) 9.422.242.79 一、口算。 3.30.5 8.21.5 0.680.03 8.70.44.60.9 7.61.8 0.610.39 5.80.92.80.7 6.74.6 0.840.45 4.80.55.50.1 7.34.8 0.690.28 6.20.72.70.4 71.6 0.760.45 90.16.90.9 6.44.9 0.640.13 5.20.85.30.9 6.61.8 0.640.45 10.520.3 7.80.7 0.790.24 5.60.4二、混合运
9、算。 0.720.263.2 80.671.33 94.727.213 73.9546.9447.48 81.6841.5226.05 5.321.632.48 50(5.960.7) 63.1(21.63.4) 4.842.361.84 一、口算。 2.10.3 63.5 0.790.02 1.30.25.60.8 7.91.8 0.860.42 20.63.80.3 8.61.3 0.650.38 8.60.41.10.3 8.21.4 0.90.23 2.40.21.10.8 8.32.4 0.740.15 7.60.940.8 7.90.2 0.870.19 2.80.76.90.3
10、8.62.8 0.650.48 1.60.28.40.7 7.13.7 0.830.39 5.50.3二、混合运算。 0.70.26.2 6.30.334.67 35.315.713.1 78.4519.5264.42 65.5739.9242 3.651.541.24 50(3.330.34) 84.9(11.51.6) 8.835.292.66 一、口算。 8.20.7 6.52.8 0.660.4 1.60.68.80.7 6.83.6 0.820.28 3.20.47.50.6 7.74.4 0.870.05 4.30.36.50.9 6.22.9 0.710.33 5.50.41.7
11、0.8 6.71.3 0.610.42 8.50.970.1 8.52.1 0.750.16 90.37.80.6 6.14 0.90.22 1.10.56.20.5 8.54.8 0.840.38 4.60.5二、混合运算。 0.870.173.4 6.20.870.13 42.810.523.4 79.1434.3937.35 88.6847.9135.16 5.382.821.27 60(9.90.39) 91.4(12.14.4) 7.575.891.31 一、口算。 2.50.9 7.61.8 0.720.32 8.20.73.40.6 6.24.1 0.780.3 8.50.18.
12、60.1 6.53.3 0.630.22 90.38.10.1 6.91.4 0.840.33 3.10.67.70.1 6.10.9 0.710.2 90.36.60.8 6.12.9 0.640.34 7.70.27.50.7 8.54.9 0.820.23 6.90.61.70.8 6.53.3 0.610.21 7.50.2二、混合运算。 0.660.098.1 6.10.554.45 77.241.416.6 79.6937.1119.54 65.3346.3676.14 7.151.973.31 40(4.720.31) 78.7(20.45.4) 5.281.531.59 一、口
13、算。 3.40.9 64.8 0.810.18 1.30.46.70.9 6.24.9 0.710.33 5.70.64.30.1 7.22.6 0.790.27 5.40.28.60.2 8.71.6 0.660.05 3.70.31.40.8 7.10.8 0.870.15 6.90.15.20.6 8.31.3 0.810.31 1.60.94.70.5 7.82.8 0.90.46 3.50.86.50.1 7.30.7 0.660.39 6.40.8二、混合运算。 0.730.153.4 6.90.353.65 59.317.431.3 7227.3790.6 71.818.2924
14、.24 3.712.071.09 20(5.230.63) 84.3(25.11.6) 9.558.051.27 一、口算。 4.70.2 8.14.5 0.780.16 1.50.42.80.5 7.71.2 0.710.06 4.20.41.30.7 62.3 0.890.13 1.90.910.6 8.24.8 0.810.14 7.10.220.2 61.1 0.860.31 5.80.91.40.9 7.31.5 0.70.49 90.57.90.1 8.40.2 0.60.26 4.80.25.30.5 8.10.2 0.810.45 3.50.9二、混合运算。 0.820.25.
15、9 9.80.144.86 46.913.432.6 74.9410.0828.42 74.3335.6989.62 8.73.963.08 80(6.140.54) 81.7(22.73.8) 3.541.581.51 一、口算。 10.2 8.44.1 0.770.18 7.50.16.80.7 6.53.8 0.610.37 5.80.14.80.6 8.61.4 0.720.12 60.35.70.1 6.81.6 0.880.21 5.90.97.80.7 6.61 0.670.11 8.60.46.50.4 7.53.3 0.890.16 60.27.20.8 82.7 0.680
16、.49 7.10.64.30.1 7.33.7 0.840.31 7.40.2二、混合运算。 0.650.361.9 50.362.64 72.233.323.2 71.8248.0658.71 70.0225.5812.29 5.693.251.31 20(7.740.19) 84.6(20.11.5) 5.511.532.61 一、口算。 8.60.3 6.94.1 0.80.35 6.30.95.50.7 6.73.4 0.640.2 8.50.18.90.6 8.42.6 0.830.32 2.30.15.70.5 6.63.1 0.650.05 5.80.15.80.8 90.2 0
17、.890.34 3.80.98.60.6 6.91.4 0.850.4 8.80.64.20.4 6.60.7 0.760.18 1.10.86.10.1 73 0.750.2 7.10.6二、混合运算。 0.610.394.2 8.20.84.2 98.84344.3 84.8141.9194.97 77.5530.0621.25 6.891.074.49 90(1.380.34) 78.2(19.54.8) 6.021.522.98 一、口算。 6.10.9 7.10.7 0.720.36 2.10.56.60.1 7.84.9 0.740.39 5.50.37.80.2 6.94.7 0
18、.870.21 4.40.68.40.8 8.32.5 0.60.08 10.56.90.5 8.30.7 0.630.29 4.30.13.90.4 62.7 0.60.33 7.70.94.10.4 6.82.1 0.840.12 4.20.68.70.5 72.6 0.660.47 5.40.5二、混合运算。 0.740.231.2 9.50.553.45 92.455.418 73.9530.9246.6 67.7436.1375.16 5.962.132.87 60(6.650.19) 88.1(27.21.1) 6.815.241.12 一、口算。 4.10.2 7.63.4 0.
19、630.16 2.40.76.80.2 6.40.1 0.890.04 8.90.31.10.2 6.60.3 0.630.29 8.40.220.7 6.60.4 0.880.17 3.90.97.30.1 6.50.4 0.820.1 8.80.53.90.2 7.82 0.720.42 30.66.50.5 73.3 0.640.44 6.20.76.50.4 7.72.1 0.820.01 8.80.2二、混合运算。 0.830.342.2 6.40.674.33 77.13715.3 66.5511.8580.22 84.2240.0450.08 4.943.431.42 30(6.
20、30.57) 68.4(17.18.4) 3.82.221.18 一、口算。 6.50.6 8.80.5 0.650.17 6.40.13.10.6 7.24.4 0.60.21 8.20.17.40.9 7.62.4 0.60.48 5.80.54.70.2 7.73.7 0.790.48 5.10.15.80.7 7.80.7 0.720.48 7.50.32.50.9 94.3 0.650.4 4.20.74.10.1 6.34.1 0.740.1 3.80.62.20.5 8.40.5 0.810.06 20.7二、混合运算。 0.830.470.4 6.40.761.24 64.643.919.3 73.413.9133.89 86.9841.7759.51 5.142.242.28 40(1.530.19) 86.3(24.21.1) 4.161.831.6 一、口算。 4.90.1 7.34.7 0.680.46 6.70.33.50.8 8.42.5 0.660.28 7.60.93.10.4
copyright@ 2008-2023 冰点文库 网站版权所有
经营许可证编号:鄂ICP备19020893号-2