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1、页眉内容五年级小数乘除法简便运算 50 题竞赛；姓名分数2.57.1416.129916.125.20.90.97.2899+7.284.3500.22615.715.724(1.250.125)856.59956.57.0910.80.87.094.8100.18.717.4-8.77.412.50.42.589.51016.81+6.81990.251.87404.40.83.40.82.376.3+2.373.72.51.250.323.810.12.5(3.80.04)7.61053.810.10.2539+0.250.12572460.33+540.33(85.27)1.256.85
2、+6.85990.25185409.59913.50.9812.58.87.0523.7+7.0576.30.1253.22.512.81(1.5+7.81)1.88.72.6+6.48.7+8.7（12.250.856.7）82.651.71.351.7825125164.042545.55-（68215.55）3.2993.24.839614.834.5217.8712.232.565+452.59.451019.450.125324.656484.64.643.62.5+7.53.64.30.96.51024.57+3.17+3.43+5.83页脚内容1页眉内容3.2599+3.251.8252.51.381.4503.270.219.20.54+19.20.46页脚内容2