ItsDropBear
2020-09-08T16:39:56+00:00
取得平均数还是众数中位数?感觉都不像
我数学真的不好
[img]https://img.nga.178.com/attachments/mon_202009/15/bwQ5-fj58ZyT3cShs-vk.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202009/15/bwQ5-fj58ZyT3cShs-vk.jpg.medium.jpg[/img]