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动态题是近年来中考的一个热点问题,以动态问题为基架而精心设计的考题,可谓璀璨夺目、精彩四射.但往往题目难度较大,常常成为中考的“最牛钉子户”.下面结合2014年中考题,与同学们一起来熟悉动态问题中最常见的函数动态变化问题.一、线段长与三角形结合的函数动态问题
Dynamic problem is a hot spot in the senior high school entrance examination in recent years, the dynamic problem as the base frame and carefully designed test questions, can be described as dazzling, brilliant, but often the subject is more difficult and often become a senior high school entrance examination The following combined with the 2014 exam questions, together with the students familiar with the dynamic problems of the most common dynamic changes in the problem. First, the length of the line with the triangle combination of dynamic function problems