纵观全国各地的高考试题,我们不难发现二项式定理以其内容独立、题型繁多、解法灵活的独有魅力而备受命题者的青睐.尤其是新课改以来,二项式定理有关内容更是每年必考.基于此,本文就2013年高考试题中二项式定理的题型进行归纳总结,并对解法进行探讨,供参考.题型一:求展开式中的指定项求展开式中指定项的问题一般利用通项公式,结合待定系数法确定r.需要特别指出的是,通项是第 Throughout the college entrance examination exam questions across the country, we can easily find the binomial theorem with its content independence, variety of questions, the unique flexibility of the solution and much proponents of all ages .Especially the new curriculum reform, the binomial theorem The content is more necessary for each year.On this basis, this article summarizes the types of the binomial theorem in 2013 college entrance examination questions, and discusses the solution, for reference.Question 1: seeking expansion of the specified items Expansion of the designated items generally use the general formula, combined with the pending coefficient method to determine r. It is important to point out that the general clause is the