Timeline for 29 - 1 = 30 how?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Jun 14, 2017 at 6:03 | comment | added | Mark Kreitler | Unfortunately, yes, this requires an arbitrary base at each step -- which is why I like the OP's solution better, despite the requirement that one redefine the meaning of '-'. In my defense, I based this solution off the title of the puzzle: "29 - 1 = 30, how?" Which implied a single case. When I saw multiple cases, I realized the solution wasn't good. Now, if the cases had been presented like this: 14 - 1 = 15 29 - 1 = 30 11 - 1 = 10 the 'different bases' solution would make more sense. | |
| S Jun 13, 2017 at 17:37 | history | suggested | grg | CC BY-SA 3.0 |
MathJax formatting
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| Jun 13, 2017 at 17:14 | review | Suggested edits | |||
| S Jun 13, 2017 at 17:37 | |||||
| Jun 12, 2017 at 15:16 | comment | added | NH. | not a random base, but just cherrypick the one that fits. Arbitrary ≠ random. | |
| Jun 12, 2017 at 8:10 | comment | added | Wen1now | How does this work? Do we just choose any random base at each step? | |
| Jun 12, 2017 at 7:45 | review | First posts | |||
| Jun 12, 2017 at 8:14 | |||||
| Jun 12, 2017 at 7:43 | history | answered | Mark Kreitler | CC BY-SA 3.0 |