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I came across this on youtube (of course).
I’m always looking for neat math tricks and shortcuts.
This is actually a not-so-new solution to multiplying big numbers by hand.
It’s really impressive. Be patient. The setup takes a bit but you’ll see once everything is gridded, it makes multiplication sooooo much easier.
I am chewing on a filtered posting. I have no idea how to write what I want to write.
So instead.. It’s that current silliness going around that I had no intention of doing.