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数形结合既是一种重要的数学思想,又是一种简化问题、快速解答的有效途径.在历年高考试题中都加以重点考查.特别是在选择题和填空题中,运用数形结合的方法,题目变得直观可见,易于入手,甚至一目了然,直接获解.本文仅就2014年高考试卷中有关函数方面的题目摘选几题,予以体验.一、画出图象,直接获解
The combination of number and shape is not only an important mathematical thought, but also an effective way to simplify the problem and answer it quickly. In the past years, college entrance examination questions are all focused on, especially in the multiple choice questions and fill in the blank, , The topic becomes intuitively visible, easy to start, even at a glance, direct solution.This article only on the 2014 college entrance examination papers on topics related to function excerpts, to experience.First, draw the image, the direct solution