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本文主要是根据初中学生的具体情况,让他们多学会一种解推理题的方法。其方法是用二次函数(y=ax2+bx+c,a≠0)来解决一些推理题目。特别是一些图形推理和数字推理题目,只要知道第一、第二,第三个图形的具体元素,则利用第n个图形的元素就可以使问题迎刃而解。
This article is mainly based on the specific circumstances of junior high school students, so that they learn more of a method to solve the problem. The method is to use quadratic functions (y = ax2 + bx + c, a ≠ 0) to solve some reasoning problems. In particular, some of the topics of graphical reasoning and numerical reasoning, as long as you know the specific elements of the first, second and third graphics, the use of the n-th graphic element can solve the problem.