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近年来各地中考试题中都加强了对数学应用意识的考查,其中许多类型的实际应用问题都可以用一元一次方程来解决.下面举例说明. 一、商品销售问题商品销售问题的基本关系是: (1)商品利润=商品售价-商品进价
In recent years, examinations of mathematics applications have been strengthened in various local examination questions. Many types of practical problems can be solved by using a one-dimensional equation. Here are some examples. I. The basic relationship between commodity sales issues is: 1) Product Profit = Product Price - Product Purchase Price