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读了《中小学数学》(小学版)2015年第3期陈善林的《用比例知识解决问题的不同声音及反思》(以下简称《陈文》)和2016年第1、2期程新丽的《正比例和反比例是不能混用的》(以下简称《程文》)两篇文章,《陈文》认为用正比例解决的问题可以根据反比例意义的引申列成反比例的形式,而《程文》则认为按照正比例意义和反比例意义,同一问题的两种关联量或成正比例关系,或成反比例关系,只能列出一种比例式,也就是说,无论是正比例问题还是反比例问题,两种比例
Chen Xiaolin’s “Different Voices and Reflections on Solving Problems with Proportion Knowledge” (hereinafter referred to as “Chen Wen”) and the “Proportion of Cheng Xinli And ”the inverse proportion can not be mixed“ (hereinafter referred to as ”Cheng Wen“) two articles, ”Chen Wen“ that the proportionate problem can be inversely proportional to the inverse proportion of the form, and ”Cheng Wen" is that in proportion to Meaning and inverse proportion of meaning, the same problem of the two correlations or into a proportional relationship, or inversely proportional relationship, only to list a proportional formula, that is, whether it is the proportion of the problem or the inverse proportion of the problem, the two kinds of ratio