this post was submitted on 22 Oct 2023
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Mathematician 2 kinda blew my mind, kinda obvious, just can't believe I was never taught or thought about it.
I've been staring at it for 10 minutes and I'm still not convinced it works.
Simple, really. Abs(x-y) is the difference between the two numbers, absolute, so positive value. So, adding abs(x-y) to the smaller of the two numbers turns it into the bigger number. Plus the bigger number, now you have 2 times the bigger number