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长期以来,数学教学中的例题和习题大都是条件完备、结论确定的解答题、计算题或证明题。这种题对巩固所学知识和技能技巧是必需的、有效的。但是,在日常生活中遇到的实际问题常常并不是这样,可能问题的条件不够完备,结论(如决策方案)也不是唯一固定的,这类题被叫做开放型应用题。如何运用数学工具解决开放型应用题,目前尚未引起足够重视,到底学
For a long time, examples and exercises in mathematics teaching are mostly solution questions, calculation questions or proof questions with complete conditions and conclusions. This kind of question is necessary and effective to consolidate the knowledge and skills learned. However, the actual problems encountered in daily life are often not the case. The conditions of the problems may not be complete, and the conclusions (such as decision-making schemes) are not the only fixed ones. Such questions are called open-ended application questions. How to use mathematics tools to solve open-ended applications has not yet attracted enough attention.