File:1plus2plusnplus2plus1.png
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Size of this preview: 600 × 600 pixels. Other resolution: 815 × 815 pixels.
Original file (815 × 815 pixels, file size: 48 KB, MIME type: image/png)
Illustration for demonstration of 1+2+...+n+(n-1)+...+1 = n^2
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:42, 5 February 2011 | | 815 × 815 (48 KB) | Prime.mover (talk | contribs) | cropped version |
| 21:41, 5 February 2011 |  | 2,418 × 1,981 (45 KB) | Prime.mover (talk | contribs) | Illustration for demonstration of 1+2+...+n+(n-1)+...+1 = n^2 |
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