【摘 要】
:
最优方案型问题是中考中的热点题型,这类问题多与二元一次方程组、一元一次不等式(组)和一次函数紧密联系.本文以2013年中考数学试题中出现的一些最优方案型试题为例谈谈这类试
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最优方案型问题是中考中的热点题型,这类问题多与二元一次方程组、一元一次不等式(组)和一次函数紧密联系.本文以2013年中考数学试题中出现的一些最优方案型试题为例谈谈这类试题的解法.一、比较法例1(2013·山东东营)在东营市中小学标准化建设工程中,某学校计划购进一批电脑和电子白板,经过市场考察得知,购买1台电脑和2台电子白板需要3.5万元,购买2台电脑和1台电子白板需要2.5万元.
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