三年级下小数点口算420道

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. 93.64.85.749.36.86.63.136.55.254.63.21.60.75.20.84.60.84.63.80.96.31.23.6103.51.021.02 3.53.62.90.851.65.36.23.81.250.75 3. 61.34. 33.50.60.21.20.30.250.15 1.7360.30.63.20.80.30.50.90.60.451.20.50.86.40.31.91.50.95

2、 4.86 5.91. 20.82. 20.51. 52.02. 34.8109.81.21.23.53.51.21.280.94.23.51.60.320.74 0.250.95 1.251.25 0.362.31.250.33 1.220.33 0.84.23.51.60.51.30.60.461.51.421.61.321. 21.122. 2.30.80.41.30.93.52.61.20.363.25 4.36 5.343.56.282.657.789.996.365.251.161.20.61.610.60.50.120.13 0.250.24 0.223.80.330.15 0.

3、140.25 0.810.25 0.62.91.91.54.52.36.23.21.80.91. 60.52. 50.31. 32.62. 50.43. 60.561.20.081.33.023.253.14 1.262.03 0.331.02 0.360.25 0.350.24 0.260.15 0.380.27 0.190.37 0.90.71.24.53.22.16.53.74.52.84.61.32.55.21. 91.72. 62.43. 51.52.82.51.111.221.331.22 1.441.33 0.220.33 0.50.33.063.02 0.20.570.440.

4、36 0.450.32 0.160.32 0.350.21 0.660.25 0.120.32 2. 63.53. 51.60.84.63.82.61.92.63.62.51.362.36 3.61.68.020.02 1.021.02 3.53.51.61.231.552.31. 53.42. 62.53. 63.13.72.81. 30.82. 60.691.53.87.23.51.62.74.62.31.332.55 3.080.25 0.360.24 1.250.33 4.023.02 1.081.03 0.360.25 1. 63.72. 65.61. 20.62. 30.6611.

5、0211.0210.32.310.32.310.25 8.75110.399.33.253.65 1.020.02 1.060.06 3.20.251.33.241.251.35 0.280.36 6.23.52. 31.83. 72.63.81.52. 410.23. 20.61.851.23 1.023.02 10.620.6 10. 31011. 111.910.52.53.020.02 1.030.03 1.250.35 1.60.55. 23.46. 65.53.53.62.61.315.36.34 3.69.810.253.0615.32.66.322.50.360.28 6.35

6、2.36 10. 36.811. 93.6510.23.02 3.052.610.43.25 12.60.36 11.53.066.023.12.053.02 10.36.86.53.94. 093.065. 23.75.613.02 10.63.58.26.74.63.89. 553.2210. 83.712.36.510.39.65.9+15.8=16.5-9.7=21.05-14.9=12.4-4.9=3.62.81.53.26.20.61.23.26.34.15.84.28.24.56.63.910.23.510.32.56.53.413.22.623.54.612.85.920.61

7、2.5 13.03.02 10.56.23.510.36.51.68.52.312.63.74.95.82.361.57 1.364.23 6.142.03 13.210.5 11.52.341.23.110.52.49.87.54.75.26.24.66.12.95. 324.216. 253.142.365.23 13.215.4 6.95.85. 43.16. 82.611.32.615.34.68.213.01 3.263.15 8.261.34 8.263.45 12.36.52 4.576.21 0.365.23 0.263.47 1.86.95.12.316.53.216.42.

8、56.231.25 12.53.418.23.64.92.59.83.15.63.21.263.24 10.33.716.34.56.23.510.86.49.326.21 4.563.84.56.710. 69.811. 23.713.20.36 0.50.21.23.410.63.415.32.32.363.24 0.682.35 9. 213.0110. 2310.236.325.24 3.256.27 3.052.06 10. 33.211. 53.613.23.47 13.65.99.026.13 5.63.515.36.210.46.86.86.3212.36.915.43.28

9、6.53.79.54.26.53.18.53.67.53.816.33.25 15.23.24 11.53.2610.53.416.33.53.612.511.23.416.53.715.36.84.321.35 10.63.816.53.90.363.25 1.364.23 10.62.56.32.86.53.44.93.71.60.64.81.96.73.512.53.46 15.63.59.86.56.53.28.71.65.46.515.36.21.363.26 11.23.2415. 33.06 16. 32.06 6.53.24.23.87.26.812. 36.513. 26.25 13.23.24 10. 33.02 11. 23.215.33.514.36.811.23.65.63.025. 40.256. 238.2411.63.0511.93.6515.46 3.2013.56.03 6.93.53.52.94.63.812. 69.513. 53.611.38.510.57.810. 63.25 11. 63.458.96.513.46.716.85.69 4.68.12.0