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初学代数的关键是基本数量关系的语言表述与代数式的互化,换句话说,就是要能正确地读和写代数式. 一、正确地读出代数式,有利于牢固掌握数学基础知识代数式的读法一般有两种:一是按运算关系来读;二是按运算的结果来读.
The key to beginner algebra is the reciprocity of the linguistic expression of the basic quantitative relation and the algebraic approach. In other words, it is necessary to be able to read and write algebraic expressions correctly. Correct reading of algebraic expressions helps to firmly grasp the basic knowledge of algebraic mathematics. There are two general types: one is to read according to the operation relationship; the other is to read according to the result of the operation.