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一、基本情况1.学情分析授课对象为高一普通班学生.学生能够熟练掌握指数对数互化,并进行同底对数的运算,有一定的观察、探究能力.2.教材分析所用教材为《普通高中课程标准实验教科书·数学(必修1)》(苏教版).学生在此之前,已经学习了对数的概念、同底对数的运算性质.本节内容是对数的第三节课换底公式,让学生掌握换底公式是本节课的重点,也是难点.通过换底公式的应用,让学生感悟化归
First, the basic situation 1 academic analysis of teaching objects for the high one ordinary class students students can master the index logarithm of each other, and the same base logarithm operation, have some observation and exploration skills .2. Textbook for “general high school curriculum standard experimental textbook mathematics (compulsory 1)” (Sujiao version). Students prior to this, have studied the concept of logarithm, the same as the end of the logarithm of the nature of the operation. The third lesson for the bottom formula, let students master the bottom formula is the focus of this lesson, but also difficult.