1、 練習紙 姓名 豎式計算5.62.9 3.71.8 0.0296 5.20.329.990.02 4.670.95.52.41.66.19.40.125.66.5 4.82.9 5.610.038.92.4 9.770.02 1.35.18.6832.66.10.0590.24.81.75.2.5 17.86.41.54.9 2.50.885.5555.2 2.223.33 7.6588536.020.3 56.78835.62.90.02965.220.3 9.990.02 4.672.441.6666.1 9.4320.0025.66.5 4.882.95.614.38.92.45.555

2、 9.770.021.3845.14.2681.3 1.54.97.658855.36.39.91.44.89.15.594.8 1.31.62.17.6 3.82.38.70.12.10.42.83.5 8.7888575.72.50.8836.020.3 4.47.36.42.4 0.670.25.6 4.63.8 3.82.3 1.89.6 1.74.7 9.84.31.1 2.661 9.462.85 5.5555.2 56.788 3 48.812.484 4.21.8 9.48.49.15.6 1.89.6 6.14.8 8.68.9 7.79.9 2.98.2 1 0.0590.

3、2 17.86.4 2.223.33 0.15.3 4.10.8 9.81.3 8.66.5 0.54.6 229.570.41.9 12.17.9 27.55.70.37.6 3.49 3.91.73.771.8185.4416 41.84721.7967.5105 230.40.6121.24366.210.030.660.315.62.94.670.90.73623 2101.4 11.971.5 3.771.852.4443.512 51.30.2769.62.9 0.0296 6.1 35.217 91.23.838.40.8 5.220.3 9.4320.00239.624 0.7

4、560.18150.069.990.02 5.66.5 4.882.90.614.38.92.4 5.5559.770.028.20.12 0.80.976.45.4 4.733242 14.362.78.336.2 1.70.03 56.788 1.251.2 2.410.71.3845.18.7883 12.6610.0590.2 4.2681.75.75.79.462.85 17.86.41.54.95.5555.2 2.223.33 7.658850.3961.2= 0.7560.36= 15.61.3= 0.181.5=0.0251.4= 13.0636=0.040.12 3.842

5、.65.76316.90.135.20.615.2550.250.046 17.1522 3.9 18.41.335.44.2 2.523.4 90.753.33.70.0166.40.5 0.0420.54 25 3.680.2513.760.8= 4.480.40.760.320.120.161.55 1.084.80.25 0.1251.4保存兩位小數2.50.7= 保存三位小數 10.13.3= 商用循環小數10.7512.5= 用乘法驗算 3.259.04= 用除法驗算36.020.3循環小數的用簡便方法，除不盡保存2位小數：8.20.12 0.80.9 76.45.4 4.7332

6、42 14.362.7 8.336.21.70.0356.788 1.251.2 2.410.73、脫式計算能簡算的要簡算2.57.14 16.129916.12 5.20.90.97.2899+7.28 4.3500.2642.640.52615.715.724(2.275 0.625)0.28 4.40.83.40.83.94+34.30.21.2(9.62.4)4.8 8.91.14.7 2.75.43.98.053.4+7.66.584.50.9 2.80.5+1.584.8 15 2.4324.90.9 4.84.80.5 (1.250.125)84.8100.1 56.59956.5 7.0910.80.87.094.85 + 0.35 1.4 8.7 17.4