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本文提出的一个数列求和题目是一个老题目。高中二年级学生程云竹对这个老题目提出了四个解法。程云竹同学比较会动脑思考,初步进行了一些探索,这种精神是值得提倡的。
The series of summation topics presented in this paper is an old topic. Cheng Yunzhu, a second-year senior high school student, proposed four solutions to this old topic. Cheng Yunzhu’s classmates are more likely to think about their brains and conduct some initial explorations. This spirit is worth advocating.