本刊自创刊 2 0余年来 ,始终遵循“面向中学 ,密切结合中学数学教研实际 ,坚持为中学数学教育服务”的办刊宗旨 .注重内容的科学性、知识性、实用性、可读性 ,已形成自己独有的风格和特色 ,深得广大读者的欢迎和赞誉 .为了使本刊在实施新一轮数学课程改革与实践中发挥更大的作 Since its establishment more than 20 years ago, the magazine has always followed the tenet of “facing middle school, closely combining the teaching and research of mathematics in middle schools, and insisting on serving mathematics education in middle schools.” We should pay attention to the scientific, informative, practical, readability, Has formed its own unique style and features, won the majority of readers welcome and praise. In order to make the magazine in the implementation of a new round of mathematics curriculum reform and practice to play a greater role