论文部分内容阅读
《分数的基本性质》一课(五年级数学)要求学生明白:“分数的分子和分母同时乘以或除以相同的数(0除外),分数的大小不变。”课本作如下提示:“用三张同样大小的正方形纸,照下图把它们平
The Basic Nature of Scores lesson (fifth grade math) requires students to understand that ”the numerator and denominator of scores are multiplied or divided by the same number (except 0), leaving the size of the scores unchanged.“ : ”Use three square sheets of the same size, flatten them as shown below