论文部分内容阅读
除法是一种运算,而分数是一种数,二者虽属不同概念,但它们的关系是这样的: 被除数÷除数=被除数/除数 (除数≠0) 这个关系不仅使除法与分数的意义相互补充,而且为解分数应用题带来了方便。实践证明,学生之所以对解分数应用题感到困难,原因之一就是对由这个关系补充的分数意义理解不深。笔者认为以下几点是
The division is an operation, and the score is a kind of number. Although the two belong to different concepts, their relationship is as follows: Divisor ÷ Divisor = Divisor / Divisor (divisor ≠ 0) This relationship not only makes the division and the meaning of the score mutually Supplement, but also to solve the problem of fractional applications brought convenience. Practice has proved that one of the reasons why students find it difficult to solve the problem of fractionation is that they do not understand the meaning of the fraction supplemented by this relationship. The author thinks the following is