一类极限的推广及教学意义

Generalization of a Class Limit and its Teaching Implication

利用恒等变换研究一类极限的命题,得到了该类极限的若干推广形式,结果表明数学研究方法对数学教学活动的促进作用.

Using identity transformation,a class important limit proposition is studied.Some more general forms of the limit are obtained,which shows the influence of math research methodology upon math teaching.