Timeline for 9 8 7 6 5 4 3 2 1 = 0 and 1 2 3 4 5 6 7 8 9 = 0
Current License: CC BY-SA 4.0
24 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 23, 2020 at 10:05 | answer | added | Matheinstein | timeline score: 2 | |
| Feb 15, 2020 at 15:06 | vote | accept | DrD | ||
| Feb 14, 2020 at 7:04 | history | edited | JMP | CC BY-SA 4.0 |
typo
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| Feb 13, 2020 at 16:44 | comment | added | DrD | Very clever ThomasL but ^ was not included as part of the puzzle. But kudos for a 3 step solution for forward sequence. | |
| Feb 13, 2020 at 15:25 | answer | added | daw | timeline score: 4 | |
| Feb 13, 2020 at 0:50 | history | became hot network question | |||
| Feb 12, 2020 at 22:08 | comment | added | ThomasL | $1^{234567}+8-9=0$ - I'm not sure if this is allowed. | |
| S Feb 12, 2020 at 21:33 | history | suggested | Sophie Swett | CC BY-SA 4.0 |
Clarify that parentheses are counted as operations
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| Feb 12, 2020 at 21:03 | review | Suggested edits | |||
| S Feb 12, 2020 at 21:33 | |||||
| Feb 12, 2020 at 21:03 | comment | added | Sophie Swett | I read the puzzle and came up with a solution, only to read further and find out that parentheses are counted as though they were operations; whoops. I hope you don't mind if I submit an edit request which states in the main body that parentheses count as operations. | |
| Feb 12, 2020 at 17:48 | comment | added | Alain Remillard | @DEEM thanks for clarifying. It mean a 3 step solution can't have parenthesis. | |
| Feb 12, 2020 at 17:42 | history | edited | DrD | CC BY-SA 4.0 |
More clarification
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| Feb 12, 2020 at 17:40 | comment | added | DrD | (x+y)z will be 4 operations. You have introduces 4 signs ( + ) * | |
| Feb 12, 2020 at 17:38 | comment | added | DrD | (1) will be 2 operations | |
| Feb 12, 2020 at 17:34 | answer | added | Tapi | timeline score: 1 | |
| Feb 12, 2020 at 17:29 | comment | added | Gamora | Does (x+y)z count as 2 or 3? Given the * is implied in standard notation | |
| Feb 12, 2020 at 17:12 | answer | added | Alain Remillard | timeline score: 3 | |
| Feb 12, 2020 at 17:11 | answer | added | TheDude | timeline score: 12 | |
| Feb 12, 2020 at 17:09 | comment | added | Alain Remillard | Is $(1)$ consider as two operations (two parenthesis) or is it only one since you need a right parenthesis for every left one? If it is the later, there is an easy 4 steps solution. | |
| S Feb 12, 2020 at 17:05 | history | suggested | melfnt |
add [formation-of-numbers] tag
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| Feb 12, 2020 at 17:05 | comment | added | DrD | You can but I found it much more fun to do this on paper. There are logical deductions. | |
| Feb 12, 2020 at 16:58 | comment | added | melfnt | can we use a computer to solve this puzzle? | |
| Feb 12, 2020 at 16:58 | review | Suggested edits | |||
| S Feb 12, 2020 at 17:05 | |||||
| Feb 12, 2020 at 16:40 | history | asked | DrD | CC BY-SA 4.0 |