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数学是自然学科的基础,其经典方法在自然学科中的渗透非常广泛.数学常见思维主要有:对应、假设、比较、类比、分类、统计、数形结合和变与不变等思想.一、真作假时假亦真——假设思想假设主要是因为未知或隐蔽性较强的现象或条件,通过可能性或不可能性,进行逐个或针对性分析,将未知设定为已知,变复杂为简单,从而推测出正确的结果.生物解题中通过假设、猜想、检验、证实,可以让某些烦琐无序的问题,找到突破口,绝处逢生,激活思维,简而化之.生物遗传家系图谱中,常规性地利用显、隐性定义,编制出“无中生有为隐性,有中生无为显性……”口诀,先确定
Mathematics is the foundation of the natural sciences, and its classical methods are widely permeated in the natural sciences.Mathematical common thinking mainly includes: correspondence, hypothesis, comparison, analogy, classification, statistics, combination of number and shape and change and change etc .. First, True False False True - Assuming that the hypotheses are mainly due to phenomena or conditions that are either not known or hidden, through probabilities or implausibility, individually or specifically, the unknown is set to be known and complex For simplicity, so as to infer the correct results .Biological problem solving through assumptions, conjectures, tests, confirmed, can make some cumbersome and disorderly problems, find a breakthrough, perish, activate thinking, simplify. Genetics pedigree map, the conventional use of significant, implicit definition, the preparation of a “hidden in the non-existence of recessive, there is no apparent dominant ...... ” formulas, first determine