爷爷论学习

• 作 者: 李文汉
• 机 构: 清华大学数学科学系,
• 出 处: 中学生数学
• 发表日期: 2004年期
• 关键词: 汉老 比例函数 平面直角坐标系 中所 川流 数学题 人类物质文明 不经心 三人行 春天来了

清华大学教授李文汉老先生是本刊多年的老编委了,十多年前从编委岗位上退下来以后,仍一直关心本刊的发展.今年4月份他将写给正在读初二的孙女的信转给本刊,我们相信李老在信中所谈各点,对广大初中同学会有很大帮助,特刊登此信(略有删减),谢谢李文汉老先生.

Li Wenhan, a professor at Tsinghua University, is an old editorial member of this journal for many years. After he retreated from his position in the editorial board a dozen years ago, he still remained concerned about the development of this magazine. In April this year, he will write to his granddaughter Letter to the magazine, we believe that Li Lao points in the letter, the majority of junior high school students will be of great help, special published this letter (a slight reduction), thank you, Mr Lee Man-han.