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学习数学不仅要牢固掌握课本中的基础知识,还要注重这些知识在新问题情境中的创新应用.现以与分式有关的问题为例说明如下.例1(2004·泰安)“五一”期间,我市某商场举行促销活动,活动期间规定:商场内所有商品按标价的80％出售,同时,当顾客在该商场消费满一定金额后,可按如下方案获得相应金额的奖券:
Learning mathematics not only requires a firm grasp of the basic knowledge in textbooks, but also focuses on the innovative application of these knowledge in the context of new problems. Now we take the issues related to fractions as an example to illustrate the following. Example 1 (2004 Taian) “51 During the ”period", a shopping mall in our city held promotional activities. During the period of the event, it was stipulated that all commodities in the mall were sold at 80% of the list price. At the same time, when the customer spent a certain amount of money in the mall, the following amount of awards could be obtained as follows: