灵活利用列方程的方法,可以帮助我们迅捷地解答一些打折销售题.在列方程时,要注意如下知识点:1.打几折就是定价的十分之几或百分之几十,打几几折就是定价的十分之几点几或百分之几十几;2.商品利润=商品售价-商品进价,商品利润率=商品利润/商品进价,其中商品进价又称商品成本价.一、打折销售求定价 Flexibility to use the column method of equations can help us quickly answer some of the discount sales questions in the column equation, pay attention to the following points of knowledge: 1. Dozens of fold is the pricing of a few or tens of dozen, playing a few Fold is a few tenths or a few dozen of pricing; 2. Product profit = commodity price - the purchase price of goods, product profit margin = product profit / purchase price of goods, which is also known as the purchase price of goods price First, discounted sales and pricing