义务教育三年制初级中学教科书(试用本)代数第一册(上)(人教社六三制1990年版,以下简称新教材),在我校使用已三年了。该册教材共包括四章。依次是:代数初步知识、有理数、整式的加减、一元一次方程。新教材将在各地全面铺开。供三年制初中一年级上学期使用,下面就我们的教学体会将新教材与现 Compulsory education Three-year primary school textbooks (trial papers) Algebra 1 (above) (1990 edition of the People’s Education Agency system, hereinafter referred to as the new textbook) has been used in our school for three years. The book contains a total of four chapters. The order is: elementary knowledge of algebra, rational numbers, addition and subtraction of the whole formula, and a one-time equation. The new textbook will be fully rolled out in various places. For use in the first semester of the first year of junior high school in three years, we will use the new teaching materials and the