Danbooru
Login
Posts
Comments
Notes
Artists
Tags
Pools
Wiki
Forum
More »
Listing
Upload
Hot
Changes
Help
Resized to 42% of original (
view original
)
Check translation
Partially translated
Artist's commentary
Original
東方絵詰め合わせ:その40
40です!
‹ prev
Search:
math
next ›
Comments
Recommended
Loading...
Nothing0001
about 1 year ago
[hidden]
1 + 1 + 1 + 1 ... = ζ(0) = -1/2
-1
Reply
Copy ID
Copy Link