从实际案例出发，本文探索第二重要极限的定义及应用。通过深入分析利滚利的本质，得到数列，进而得到第二重要极限。探索和思考用第二重要极限进行计算的关键问题，引导学生主动思考、激发学生学习的积极性。在学习的过程中，从实际问题抽象出数学模型，培养学生的逻辑思维能力。最后，将思想政治教育内容化为课程内容，融入辩证思维，鼓励学生积极探索自然和追求真理，坚定理想信念，弘扬社会主义核心价值观。
Starting from practical cases, this paper explores the definition and application of the second important limit. Through indepth analysis of the essence of rolling profits, we can get the sequence, and then get the second important limit. It explores and considers the key problems of calculating with the second important limit, to guide the students to think actively and stimulate the students’ enthusiasm for learning. In the process of learning, it abstracts mathematical models from practical problems and cultivates the students’ logical thinking ability. Finally, it turns the content of ideological and political education into curriculum content, integrates dialectical thinking, encourages the students to actively explore nature and pursue truth, strengthen ideals and beliefs, and carry forward socialist core values.
