三角形个数的规律公式图片简介：This man's name is Lei Guan, and his weapon is a long stick. Coincidentally, the Taoist pattern on the long stick is the thunderstorm Taoist pattern that Qin Fen completed the reward mission some time ago.
This man's name is Lei Guan, and his weapon is a long stick. Coincidentally, the Taoist pattern on the long stick is the thunderstorm Taoist pattern that Qin Fen completed the reward mission some time ago.
