建国以来，我国中学数学教材已经历了七次较大的改革。每次改革都是以当时特定的历史背景为前提而进行的，每次改革都涉及到从教材内容到处理方法及体系的变更。为了更加深刻地理解和把握现行教材，真正提高教学质量，深入研究教材的各次变革，总结教材改革的规律无疑是大... Since the founding of the People's Republic of China, our secondary school math textbooks have undergone seven major reforms. Each reform is based on the specific historical background of the time as the premise, each reform involves the teaching materials from the content to the handling methods and system changes. In order to understand and grasp the current teaching material more deeply, improve the teaching quality truly, study various changes of the textbook in depth, summarize the law of the textbook reform undoubtedly is big ...