Timeline for How to fill up the numbers in a set of empty discs drawing a pentagon?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| Apr 10, 2022 at 12:19 | comment | added | Daniel Mathias | @FlorianF Placing 2 and 6 next to 20 puts 16 and 12 on their respective vertices, leaving 14 and 18 on the remaining side needing the 6 again for 38. Your logic leading to 20-2-16-10-12 leaves only one place for 18, proving the solution unique. | |
| Apr 10, 2022 at 10:13 | comment | added | Florian F | Placing 2 and 4 next to 20 is a bit arbitrary. Why not 2 and 6? Couldn't it also work? You could have started more logically by noting that 2 can only be in a line with 20 and 16 and 10 only with 12 and 16. | |
| Oct 15, 2019 at 4:00 | comment | added | SamRoy | Nice approach. +1 | |
| Oct 13, 2019 at 19:04 | history | answered | Daniel Mathias | CC BY-SA 4.0 |