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方程应用题是中考的重要内容方程.问题类型多,背景鲜活,具有很强的时代感.下面以2013年中考题为例,对方程应用题进行归类解析,希望对你的复习有所帮助.例1(2013年贵阳卷)2010年底某市汽车拥有量为100万辆,而截至到2012年底,该市汽车拥有量已达到144万辆.(1)求2010年底至2012年底该市汽车拥有量的年平均增长率;(2)该市交通部门为控制汽车拥有量的增长速度,要求到2013年底全市汽车拥有量不超过155.52万辆.预计2013年底报废的汽车数量是2012年底汽车拥有量的10%,求2012年底至2013年底该市汽车拥有量的年增长率要控制在什么范围才能达到要求.1增长率问题
Equations in the application of the equation is an important part of the content of the test equation. The problem types, fresh background, with a strong sense of the times. The following 2013 test questions, for example, the classification of the equation questions, I hope your review Example 1 (Guiyang, 2013) One million vehicles were owned by the city by the end of 2010, while the city had 1.44 million vehicles by the end of 2012. (1) Looking for the end of 2010 to the end of 2012 (2) In order to control the growth of car ownership, the city’s transportation sector requires that the city’s car ownership does not exceed 1.5552 million by the end of 2013. The number of cars scrapped by the end of 2013 is expected to be the end of 2012 The 10% share of the vehicle is expected to reach the desired annual growth rate of vehicle ownership from the end of 2012 to the end of 2013. 1 Growth Rate