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submitted 6 months ago by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[-] bisby@lemmy.world 17 points 6 months ago

I had the same reaction originally though, because I feel like I had seen this previously as just "bending" the list of 1-100 in half.

1+2+3+4+...+49+50
100+99+98+97+...+52+51
=
101+101+101+...

101 * 50.

So you have to do a bit more thinking to define your equation but the equation takes you straight to S instead of 2S.

And since the meme just has + ... instead of showing where the end of the list was, I see how one could easily mix up the 2 approaches.

this post was submitted on 04 May 2024
708 points (99.3% liked)

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