摘要
利用糖水不等式归纳概括出用加法比较两个分数大小的第二条路径(第一条是利用乘法通分母或通分子进行比较),方法独特、新颖、便捷.
This paper summarizes the second path (the first one is to use multiplicative denominator or common molecule to compare the two fractions) by using sugar water inequality.The method is unique,novel and convenient.
作者
闫建国
YAN Jian-guo(Shouyang County Teachers' Further Education School in Shanxi Province,Shouyang,Shanxi 045400,China)
出处
《教育教学论坛》
2019年第39期241-242,共2页
Education And Teaching Forum
关键词
比较
分数
大小
compare
fraction
size
