Timeline for Jigsaw puzzle: edge and middle pieces
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| S Sep 22, 2015 at 17:23 | history | suggested | grg | CC BY-SA 3.0 |
MathJax formatting
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| Sep 22, 2015 at 17:06 | review | Suggested edits | |||
| S Sep 22, 2015 at 17:23 | |||||
| Aug 19, 2015 at 20:28 | comment | added | Hagen von Eitzen | Alternatively, rearrange $nm=2(n-2)(m-2)$ to $(n-4)(m-4)=8$ and compare with the factorizations $(\pm 1)\cdot(\pm 8)$ and $(\pm2)\cdot(\pm 4)$ of $8$, leading to the positive solutions $(5,12)$ and $(6,8)$ | |
| Aug 19, 2015 at 19:22 | history | edited | Nautilus | CC BY-SA 3.0 |
added 147 characters in body
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| Aug 19, 2015 at 19:16 | history | answered | Nautilus | CC BY-SA 3.0 |