File:Detail-37639.jpg
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A photograph of a chalkboard filled with differential equations.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:24, 22 November 2023 | | 1,024 × 1,024 (1.56 MB) | Ai (talk | contribs) | A photograph of a chalkboard filled with differential equations. |
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