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条件最值是中学数学中一类综合性、灵活性较强的问题,在近几年的高考中这类问题出现的频率非常高,如2012年高考江苏卷数学试题第14、17题,就是这类问题的代表.学生在解决这类问题时,很难把握其规律、把握其本质.究其原因,这类问题往往涉及到函数、方程、不等式、几何图形等方面的知识,其解法通常需要运用转化的手段,把条件最值问题转化为常规的最值问题,从而使问题得到巧妙地解决.本文将运用高
Conditional value is a kind of high school mathematics comprehensive, flexible and strong question, in recent years, college entrance examination in such problems appear very frequently, such as the 2012 college entrance exam Jiangsu mathematics questions 14,17 questions, is The reason why such problems are represented is that it is difficult for students to grasp the law and grasp their essence in solving such problems.The reason why such problems often involve the knowledge of functions, equations, inequalities, geometric figures and so on, Need to use the means of conversion, the most value of the conditions into the most conventional value of the problem, so that the problem is cleverly solved.This paper will use high