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动态临界分析,就是把有关数学问题及时进行“动态化”处理,通过对运动状态中“临界值”的把握而使问题获得顺利解决的一种思考方法.它是辩证思想在分析探究中的生动写照,也是极端原理在数学解题中的灵活运用.现以立体几何内容所涉及的选择、填空题为例加以分析说明,供同学们学习参考.
The dynamic critical analysis is a way of thinking that the mathematical problems can be dealt with in a timely manner and the problem can be smoothly solved by grasping the critical value of the movement state. The vivid portrayal in the study is also the flexible application of the extreme principle in solving mathematical problems.It takes the choice of the three-dimensional geometric content, fill in the blank as an example to analyze and explain for the students to learn and reference.