Lê_
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I wrote an article on mechanism design on Science4All.org. I'd love to have your reactions.
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Hi all, I'm Lê, PhD candidate at Polytechnique of Montreal in Applied Mathematics. I have launched advertising link removed. Hope you'll check it out. Cheers.
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Hi all, I have written this article: .link removed I'd love to have your reactions. Thanks. Lê.
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the sum of all integers between x and y included is equal to (y-x+1)*(x+y)/2. Here's why: (x+y)/2 is the means of integers between x and y, and there are y-x+1 terms.