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高三年总复习开始,考试就变得更频繁,试卷讲评也就随之更多,所以试卷讲评课也就成为高三年复习阶段的一种常见课型.如何对一道典型的试题,从多角度进行剖析、讲解,培养学生的发散思维是数学试卷讲评课期望达到的教学目标之一.本文以一道2015年福建高考选择题为例,针对试题的多种解法进行讲评,旨在帮助学生拓展思维,提高分析问题和解决问题的能力.一、试题呈现若定义在R上的函数f(x)满足f(0)=-1,其导函数
The senior high school general review began, the examination becomes more frequent, the examination paper comment also subsequently more, therefore the examination paper comment class also becomes the high class three year review phase of a common class .How to a typical test questions, from a multi-angle To analyze and cultivate the divergent thinking of students is one of the teaching goals expected to be achieved by the mathematics papers.With a multiple choice question of 2015 Fujian college entrance examination as an example, this article aims to help students develop their thinking , Improve the ability to analyze and solve problems.One, the questions presented If the function f (x) defined on R satisfies f (0) = - 1, the derivative function