全日制十年制学校初中课本(试用本)的分编本《代数》、《几何》,是将原初中课本《数学》分编而成的.分编的目的是使初中二、三年级的代数、几何可以进行分科教学。根据教育部的“全日制五年制中学教学计划试行草案的修订意见”,1981年起初中数学课周课时数改为初中一年级五课时,初中二、三年级都是六课时,每学期的教学周数由32周增加到34周,数学课时实际上 The “Algebra” and “Geometry”, a sub-edition of the full-time 10-year school textbook for junior high schools (trial version), are compiled from the original textbook “Mathematics.” The purpose of the sub-series is to make the Algebra, geometry can be divided into teaching. According to the Ministry of Education's “Revision of the Draft Proposal on the Trial Reform of the Full-time Five-year High School Teaching Plan”, the number of hours of maths class per week in 1981 was changed to five classes of the first grade of junior high school. When the second and third grades of junior high schools are all six classes each semester Teaching week increased from 32 weeks to 34 weeks, math class hours actually