Shoota
2021-01-21T22:50:03+00:00
哥哥们 这题为什么最大值是p p' c三点共线哪[img]https://img.nga.178.com/attachments/mon_202101/25/-7Q16o-4yq6K2cT1kSg0-sg.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202101/25/-7Q16o-85g2K27T1kSg0-sg.jpg.medium.jpg[/img]