ඞඞඞඞ
2020-09-26T04:46:43+00:00
第一题第二问之前还以为找到规律,结果做第二题的时候发现前面错了,于是彻底不会做了,求助[s:ac:喘]
[img]https://img.nga.178.com/attachments/mon_202010/04/-7Q5-afi9K1mT3cSsg-d4.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202010/04/-7Q5-afi9K1mT3cSsg-d4.jpg.medium.jpg[/img]