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课本中的习题是教科书的重要组成部分,是数学知识应用的浓缩,具有典型性、代表性,下面举例说明在掌握解方程一般方法的基础上,还要纵观全局,把握具体特征,灵活地采用一些技巧,从而达到提高解题速度的目的.
Exercises in textbooks are an important part of textbooks. They are condensed in the application of mathematics knowledge. They are typical and representative. The following examples illustrate how to grasp the general method of solving equations. Use some tricks to improve the speed of problem solving.