User contributions for 2A00:23EE:2348:2989:44F8:D1FF:FEA9:B46D
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22 May 2024
- 10:2510:25, 22 May 2024 diff hist +17,162 N Casting out nines →top: Clarity. Only repeating what is beneath: 'More generally, when casting out nines by summing digits, any set of digits which add up to 9, or a multiple of 9, can be ignored.' current