我在肥城市龙山路小学五年级二班进行珠心算教学实验，学生毕业后参加肥城市实验中学９８年升高中考试时数学考卷规定９０分钟完成。当考试进行到１５分钟时部分学生已全部做完了。到了２０分钟时有几个考场的大部分学生已完成，这些学生的草稿纸上没有计算的竖式，这时其他考 I fat City Longshan Road Primary five classes two abacus arithmetic teaching experiment, students after graduation to participate in Feicheng Experimental Middle School 98 years in the examination of mathematics papers require 90 minutes to complete. Some students have all done it when the exam is up to 15 minutes. By the time of 20 minutes most of the students in some of the examination rooms have finished their work, and the drafts of these students did not have a vertical calculation.