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3 hours later…
05:29
D/Dv both Q & A. Fgitw answerer got 13 upvotes by posting well-known answer that is an exact dupe of many others (e.g. listed dupes). Nothing is novel here. It is essential to delete threads like this to discourage this unhealthy behavior (and avoid cluttering search results).
 
3 hours later…
08:54
[ SmokeDetector | MS ] Mostly non-latin answer, repeating characters in answer (129): How to solve this problem?‭ by Jiang hongtao‭ on math.SE

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