Tominto
2020-11-09T08:12:31+00:00
一道奥数题,虽然做出来答案了,分析很久,但是还是想有更快更清晰的方法
求教大伙和各位大触[s:ac:羡慕][s:ac:羡慕]
[img]https://img.nga.178.com/attachments/mon_202011/17/-7Q5-5vkwK1mT1kSef-lq.jpg.medium.jpg[/img]
求教大伙和各位大触[s:ac:羡慕][s:ac:羡慕]
[img]https://img.nga.178.com/attachments/mon_202011/17/-7Q5-5vkwK1mT1kSef-lq.jpg.medium.jpg[/img]