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生活中消费、买卖是人人都会遇到的事,买卖中价定得是否合理,量称得是否够数等是顾客所关心的问题.如果将数学知识融于其中,用数学的知识和方法去处理,你就会消费得明白,消费得踏实,避免吃太大的亏. 例据调查,个体服装店销售的服装只要高出进价的20%便可盈利,但个体服装店老板们常以高出进价的50%-100%标价.假如你准备买
In life, consumption and sales are common to all people. Whether purchase price is reasonable or not, and whether the quantity is sufficient is a concern for customers. If you integrate mathematical knowledge into it, use mathematical knowledge and methods. To deal with it, you will understand the consumption, be prudent in consumption, and avoid too much loss. According to the survey, garments sold by individual clothing stores can be profitable as long as they are 20% higher than the purchase price, but individual clothing store owners often 50%-100% higher than the purchase price. If you are ready to buy