数学知识的链锁是环环相扣的,没有对旧知识的记忆,就谈不上对新知识的理解;没有对已学过的若干概念、定理、公式、法则的理解和记忆,对它们的应用也将化为泡影。因此,教师很有必要探求记忆的特点和规律。理解是记忆的基础。因此,教师上课,应重 The chain of mathematical knowledge is interlocking. Without the memory of old knowledge, there is no understanding of new knowledge; there is no understanding and memory of the concepts, theorems, formulae, and rules that have been learned. The application will also be turned into bubbles. Therefore, it is necessary for teachers to explore the characteristics and laws of memory. Understanding is the basis of memory. Therefore, teachers should be heavy