有关经济生活的计算题是最近几年高考命题的一大亮点,而且呈现越来越复杂的趋势。试题常常以现实生活中的具体素材为命题切入点,设置计算情景和条件,考查对经济学知识的理解和运用能力。解题不仅需要一定的数学基础,还要求考生把握经济生活中的相关知识及其内在联系。在答题时,同学们由于对概念的外延界定不准确,对概念之间的关系不清楚,对计算公式把握不准,不能按题目要求分步计算、转换,而常常出错。针对存在的问题,下面以经典试题为例加以解析。 Computation of economic life is a major highlight of the college entrance examination in recent years, but also presents an increasingly complex trend. Test questions often start with the specific material in real life as a proposition, set the calculation scenarios and conditions, examine the understanding of economic knowledge and ability to use. Problem solving not only requires a certain mathematical basis, but also requires candidates to grasp the relevant knowledge of economic life and its internal relations. In answering the questions, the students were not sure about the extension of the concept, the relationship between the concepts was not clear, the calculation formula was not accurate, and the questions could not be calculated and converted step by step. For the existing problems, the following examples to be resolved by the classic test.