几何世界
Sunday, December 14, 2025
1. 2 个锁针
2 6个短针
3 12个短针 (每一针加一针)
4 18个短针 (每隔一针加一针)
5 24 个短针 (每隔两针加一针)
6 不加不减 14行 (到18行)
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment