File:TATriangular Numbers.png
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TATriangular_Numbers.png (407 × 388 pixels, file size: 12 KB, MIME type: image/png)
A triangle with notes showing the number of dots in each row and the running totals, which are the triangular numbers.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:59, 10 July 2011 | | 407 × 388 (12 KB) | Mokurai (talk | contribs) | A triangle with notes showing the number of dots in each row and the running totals, which are the triangular numbers. |
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