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折扣问题是一个生活中常见的问题,小学数学高年级同学们就学习了折扣问题,这充分体现了数学与生活紧密结合的特点。为了更贴近生活,作者在实际生活中进行了体验,了解到很多购物场所已经在结算方面实现了多样化。为了鼓励大家少用现金结账,一些超市、商场推出支付宝、微信支付等多种支付方式供顾客在结账时选择。比如,支付宝推出九折购物活动,微信推出随机减免活动,等等。就这一社会现象,作者在体验后特意设计了一些题目,帮助同学们了解购物的折扣问题。
Discount problem is a common problem in life, high school students in primary school to learn the discount issue, which fully reflects the mathematical and life characteristics of close integration. In order to get closer to life, the author experienced in real life and learned that many shopping places have diversified in terms of settlement. In order to encourage everyone to use less cash checkout, some supermarkets, shopping malls launched Alipay, WeChat payment and other payment methods for customers to choose at checkout. For example, Alipay launched 10% off shopping activities, WeChat launched a random reduction activities, and so on. On this social phenomenon, the author deliberately designed a number of topics designed to help students understand shopping discount issues.