论文部分内容阅读
1.分数应用题和百分数应用题的数量关系、分析思考方法基本相同,为什么教材要把它们分开编排呢?答:这是由于百分数具有单位相同(都是1％),便于进行统计、分析和比较,在工农业生产及科研中应用非常广泛的缘故。所以,为了把百分数的特点和百分数应用题的广泛现实意义较突出地反映出来,使学生更好地理解和掌握这部分内容,在教材中才把百分数及其应用题单独列为一个单元。
1. The number of questions and the percentage of the number of application questions, analytical methods are basically the same, why textbooks should be arranged separately? A: This is because the percentage has the same units (all 1%), to facilitate statistical, analytical and Compared with industrial and agricultural production and research in a very wide range of applications. Therefore, in order to better reflect the characteristics of the percentile and the practical significance of the application of the percentile so as to enable students to better understand and master this part, the percentage and its application should be listed as a single unit in the textbook.