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在教学过程中,把数学中的概念、法则、方法等编成口诀的形式,学生读起来不但朗朗上口,便于记忆,而且还能加深其对知识的理解,提高他们的学习兴趣.下面枚举数例,以供读者参考.(1)绝对值概念绝对值概念,理解很关键.非负是本身,负数变相反.(2)同类项概念同类项,同类项,两个条件不
In the teaching process, the concepts, rules, and methods in mathematics are made into oral forms. Students can read them not only with a good reputation, but also can be easily memorized. Moreover, they can deepen their understanding of knowledge and improve their interest in learning. A few examples are provided for the reader’s reference. (1) Concept of Absolute Value The concept of absolute value is important to understand. Non-negative is itself, and negative numbers become the opposite. (2) Concept of similar items Similar items, similar items, two conditions are not