指数与指数函数这一小节内容涉及许多数学思想和方法,如观察能力、化归意识、配方法、换元法、数形结合法以及函数与方程的相互转化和分类讨论的思想等等,因而是训练思维的很好的素材,同时也是高考的常考内容.那么,我们该怎样才能学好它呢? The subsections of exponential and exponential functions involve many mathematical ideas and methods, such as observation ability, consciousness of conversion, method of substitution, method of substitution, combination of number and shape, and the mutual transformation of functions and equations, the idea of ​​classification and discussion, etc. It is a good material for training thinking, and it is also a regular examination content of the college entrance examination. So, how can we learn it?