在实际生活中,按比例分配有着广泛的应用,所以学好这部分知识很有必要。按比例分配应用题,可以化成分数来解答,也可以用份数来解答,用份数来解答的方法比较容易掌握,按比例分配应用题的教学,主要分以下几种类型。[类型一]已知分配的总和及各部分之间的比,求每部分各是多少?这种类型的解题 In real life, there is a wide range of applications on a pro-rata basis, so it is necessary to learn this part of knowledge. According to the proportion of the allocation of questions, can be divided into components to answer, you can also use the number of copies to answer, with the number of answers to the method is easier to grasp, in proportion to the application of the problem of teaching, mainly divided into the following types. [Type one] Given the sum of allotments and the ratio between the parts, what is the difference between each part? This type of problem solving