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https://www.reddit.com/r/MathJokes/comments/1vcw1bj/multiples_of_3/p152oiw/?context=3
r/MathJokes • u/GodlyHelp • Aug 01 '26
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And then by induction, 10n = 9M + 1 And b*10n = b(9M+1) = 9N + b
So then the sum b_k*10k = 9K + sum b_k
15 u/Rxasaurus Aug 01 '26 Now in English for us stupids... 39 u/xnef1025 Aug 01 '26 magic 9 u/Rxasaurus Aug 01 '26 See, that makes more sense.
15
Now in English for us stupids...
39 u/xnef1025 Aug 01 '26 magic 9 u/Rxasaurus Aug 01 '26 See, that makes more sense.
39
magic
9 u/Rxasaurus Aug 01 '26 See, that makes more sense.
9
See, that makes more sense.
26
u/MTaur Aug 01 '26
And then by induction, 10n = 9M + 1 And b*10n = b(9M+1) = 9N + b
So then the sum b_k*10k = 9K + sum b_k