论文部分内容阅读
新教材(注)对“比和比例”这部分内容,作了比较彻底的修改。作了哪些修改?理解这些修改,可以加深我们对新教材的认识。一、比的意义
The new textbook (Note) made a more complete revision of the “Proportions and Proportions” section. What changes have been made? Understanding these changes will deepen our understanding of the new textbook. First, the ratio of meaning