16 July 2025
- 16:3016:30, 16 July 2025 Sandbox123 (hist | edit) [341 bytes] Test user (talk | contribs) (Created page with "Math <math>\operatorname{d}\!y/\operatorname{d}\!x+{\partial^2\over\partial x_1\partial x_2}y</math> PDF thumb Picture thumb thumb DrawIO <drawio filename="Sandbox123-48986182" alt=""> </drawio>") Tag: Visual edit
