DON'T CHEAT -- what's the answer? Make your seventh grade math teacher proudpic.twitter.com/1WzWCJXtac
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Apparently it did have some historical use, but I'm told (maybe hearsay?) that it was not used in primary education til more recently (my gen or later).
I read "÷" the same way I read "xʸ", as a representation for the operation with placeholders but not valid/reasonable as an operator itself.
Late eighties, early nineties. In Brazil, mind you.
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