File:Detail-30397.jpg
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A blackboard filled with complex mathematical equations.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:00, 23 October 2023 | | 1,456 × 832 (1.3 MB) | Ai (talk | contribs) | A blackboard filled with complex mathematical equations. |
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