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1、数学小故事 opasdfghjbnqertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuipasdfghjklzxcvbnmqwertyuixcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmrtyuiopasdfghjklzxcvbnmqwrtyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfg
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8、asdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnm两个面积一样的三角，为什么为少了一块？数学思想是什么？人们通常所说的等量替换、图形结合、递归法等，只是数学思想方法而不是数学思想。基本数学思想不应当是个案的，而必须是一般的。这大概需要满足两个条件：一是数学产生以及数学发展过程中所必须依赖的那些思想。二是学习过数学的人所具有的思维特征。这些特征表现在日常的
9、生活之中。这就可以归纳为三种基本思想，即抽象、推理和模型。通过抽象，人们把外部世界与数学有关的东西抽象到数学内部，形成数学研究的对象，其思维特征是抽象能力强；通过推理，人们得到数学的命题和计算方法，促进数学内部的发展，其思维特征是逻辑能力强；通过模型，人们创造出具有表现力的数学语言，构建了数学与外部世界的桥梁，其思维特征是应用能力强。asdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnm
