两组九大类易混极限题的讨论

On Two Groups of Nine Types of Easily Confusing Limit Problems

借助定积分定义和夹逼准则,给出两组九大类易混极限题的讨论,进而分类讲解,更易为学生所接受.

Two groups of nine types of easily confusing limit problems are discussed by using the definition of definite integral and squeeze theorem,and the classifications of them are given,which can be accepted by students more easily.