2014年高考已经结束,今年江苏高考还是秉承了以往平稳的态势,区分度明显,填空题与解答题的前三道较容易,后三道大题难度较大,应用题虽然贴近生活,几何代数相结合,方法很多(网络上还有利用初中的相似三角形来解决的),但是实际操作起来,学生普遍不知道如何建模,所以作者对应用题进行了细致的分析,总结了一些思路及想法.我们先来回顾一下题目:18.如图,为了保护河上古桥,规划建一座新桥BC,同时设 2014 college entrance examination has ended, this year, Jiangsu college entrance examination or adhering to the previous steady trend, the distinction is obvious, fill in the blank questions and answer the first three questions easier, the latter three major problems more difficult, application problems although close to life, geometric algebra There are many ways to solve this problem. There are also similar triangles used in junior high school to solve the problem. However, in practice, students generally do not know how to model. Therefore, the author has carried out detailed analysis of application questions and summarized some ideas and ideas Let us first review the topic: 18. As shown, in order to protect the ancient bridge over the river, planning to build a new bridge BC, at the same time