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近年来,高等数学的一些内容下放到高考中,如,函数的凸凹性、二阶导、无穷极限、定积分等,一些高考的压轴题目出题者的目的是考查学生使用初等方法来解决,但有些题目用函数不等式代数等工具综合处理,难度很大.而一部分考题有定积分的背景,可以巧用定积分来处理,本文主要通过两道导数综合问题的题目,阐述如何借助定积分处理问题.
In recent years, some contents of higher mathematics are devolved into college entrance examinations, such as convex and concave functions, second-order guides, infinite limits, definite integrals, etc. The purpose of some finale questions of college entrance examinations is to examine how students use elementary methods to solve them, However, some topics are complicated to deal with by using tools such as function inequality algebra.However, some of the test questions have the background of definite integrals, which can be handled by definite integrals. In this paper, problem.