数学应用题是全国各省市中考数学必考的一种重要题型,它能有效地考查阅读理解、信息迁移和数学方法等综合能力。其中经济类应用题和社会生活关系紧密,逐渐成为中考的热点题型。能否正确解答经济类问题的关键有二:首先,要了解各种经济类应用题的生活背景;其次,要建立恰当的数学模型. The maths application is one of the most important types of maths examinations in all provinces and cities in the country. It can effectively examine the comprehensive abilities of reading comprehension, information transfer and maths methods. Which economic applications and social life closely related to the gradual application of the exam has become a hot problem type. The key to the correct answer to economic problems is twofold: first, we must understand the life background of various economic applications; secondly, we must establish an appropriate mathematical model.