“12345”模型及应用举例 2Class 收录于 数学 2023-05-18 2023-12-16 约 3 字 预计阅读 1 分钟 - 条评论 “1/2”+“1/3”=“1” “1”+“1/2”=“3” https://mp.weixin.qq.com/s?__biz=MzIzNDQ0NDEzMA==&mid=2247496843&idx=2&sn=068844c40492692832f7f0d49eecc1a8&chksm=e8f4f086df8379902c9d31bd41c3cce7886f8edefc835b72b82cd48abff527e28e54cd211722&scene=27 Please enable JavaScript to view the comments powered by Twikoo.