三年级下小数点口算420道

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1、3.912.61.95.25.83.34.23.91.53.65.36.84.32.65.81.66.23.65.23.24.21.56.23.14.23.15.93.64.85.749.36.86.63.136.55.254.63.21.60.75.20.84.60.84.63.80.96.31.23.6103.51.021.023.53.62.90.851.65.36.23.81.250.753.61.34.33.50.60.21.20.30.250.151.7360.30.63.20.80.30.50.90.60.451.20.50.86.40.31.91.50.954.865.91.2

2、0.82.20.51.52.02.34.8109.81.21.23.53.51.21.280.94.23.51.60.320.740.250.951.251.250.362.31.250.331.220.330.84.23.51.60.51.30.60.461.51.421.61.321.21.122.2.30.80.41.30.93.52.61.20.363.254.365.343.56.282.657.789.996.365.251.161.20.61.610.60.50.120.130.250.240.223.80.330.150.140.250.810.250.62.91.91.54.

3、52.36.23.21.80.91.60.52.50.31.32.62.50.43.60.561.20.081.33.023.253.141.262.030.331.020.360.250.350.240.260.150.380.270.190.370.90.71.24.53.22.16.53.74.52.84.61.32.55.21.91.72.62.43.51.52.82.51.111.221.331.221.441.330.220.330.50.33.063.020.20.570.440.360.450.320.160.320.350.210.660.250.120.322.63.53.

4、51.60.84.63.82.61.92.63.62.51.362.363.61.68.020.021.021.023.53.51.61.231.552.31.53.42.62.53.63.13.72.81.30.82.60.691.53.87.23.51.62.74.62.31.332.553.080.250.360.241.250.334.023.021.081.030.360.251.63.72.65.61.20.62.30.6611.0211.0210.32.310.32.310.258.75110.399.33.253.651.020.021.060.063.20.251.33.24

5、1.251.350.280.366.23.52.31.83.72.63.81.52.410.23.20.61.851.231.023.0210.620.610.31011.111.910.52.53.020.021.030.031.250.351.60.55.23.46.65.53.53.62.61.315.36.343.69.810.253.0615.32.66.322.50.360.286.352.3610.36.811.93.6510.23.023.052.610.43.2512.60.3611.53.066.023.12.053.0210.36.86.53.94.093.065.23.

6、75.613.0210.63.58.26.74.63.89.553.2210.83.712.36.510.39.65.9+15.8=16.5-9.7=21.05-14.9=12.4-4.9=3.62.81.53.26.20.61.23.26.34.15.84.28.24.56.63.910.23.510.32.56.53.413.22.623.54.612.85.920.612.513.03.0210.56.23.510.36.51.68.52.312.63.74.95.82.361.571.364.236.142.0313.210.511.52.341.23.110.52.49.87.54.

7、75.26.24.66.12.95.324.216.253.142.365.2313.215.46.95.85.43.16.82.611.32.615.34.68.213.013.263.158.261.348.263.4512.36.524.576.210.365.230.263.471.86.95.12.316.53.216.42.56.231.2512.53.418.23.64.92.59.83.15.63.21.263.2410.33.716.34.56.23.510.86.49.326.214.563.84.56.710.69.811.23.713.20.360.50.21.23.4

8、10.63.415.32.32.363.240.682.359.213.0110.2310.236.325.243.256.273.052.0610.33.211.53.613.23.4713.65.99.026.135.63.515.36.210.46.86.86.3212.36.915.43.286.53.79.54.26.53.18.53.67.53.816.33.2515.23.2411.53.2610.53.416.33.53.612.511.23.416.53.715.36.84.321.3510.63.816.53.90.363.251.364.2310.62.56.32.86.

9、53.44.93.71.60.64.81.96.73.512.53.4615.63.59.86.56.53.28.71.65.46.515.36.21.363.2611.23.2415.33.0616.32.066.53.24.23.87.26.812.36.513.26.2513.23.2410.33.0211.23.215.33.514.36.811.23.65.63.025.40.256.238.2411.63.0511.93.6515.463.2013.56.036.93.53.52.94.63.812.69.513.53.611.38.510.57.810.63.2511.63.458.96.513.46.716.85.694.68.12.073.0612.036.0315.63.412.83.911.63.4816.23.22.6311.56.352.36.323.025.243.0312.66.0516.53.516.89.816.42.910.23.0616.330.256.352.340.110.363.026.05