Forgot password?
 Create new account
View 118|Reply 3

本世纪惟一的完全平方数年 $2025$

[Copy link]

801

Threads

4889

Posts

310K

Credits

Credits
36169

Show all posts

isee Posted at 2024-12-29 13:42:58 |Read mode
同时我们将 $2025$ 展开 \begin{gather*}
2025=\\
(0+1+2+3+4+5+6+7+8+9)(9+8+7+6+5+4+3+2+1+0)
\end{gather*}

如照铜镜.

又或看似双双对对 \[2025={\large 2}\int_0^{1+2+3+4+5+6+7+8+9}x\,\mathrm dx,\] 皆从零开始~
isee=freeMaths@知乎

2

Threads

465

Posts

6357

Credits

Credits
6357
QQ

Show all posts

爪机专用 Posted at 2025-1-3 12:18:42
你不说我还真不会注意到2025是个完全平方😳

Comment

数论方面我真没什么数感😆  Posted at 2025-1-3 16:13
I am majia of kuing

801

Threads

4889

Posts

310K

Credits

Credits
36169

Show all posts

 Author| isee Posted at 2025-1-3 14:55:51
爪机专用 发表于 2025-1-3 12:18
你不说我还真不会注意到2025是个完全平方😳
😀
25年到了~
isee=freeMaths@知乎

手机版Mobile version|Leisure Math Forum

2025-4-20 12:16 GMT+8

Powered by Discuz!

× Quick Reply To Top Return to the list