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A fake Facebook event disguised as a math problem has been one of its top posts for 6 months
(www.engadget.com)
this post was submitted on 31 May 2025
217 points (90.3% liked)
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I'm sure we're all geniuses here, but just in case...
Please excuse my dear aunt Sally.
Parenthesis, exponents, multiplication, division, addition, subtraction.
Why? Because a bunch of dead Greeks say so!
3x3-3÷3+3
(3x3)-(3÷3)+3
9-1+3
8+3
11
The Greeks certainly didn't come up with PEMDAS. US teachers too lazy to teach kids actual maths did. And that's before taking into account that the Greeks didn't come up with Algebra.
What’s lazy about learning PEMDAS? And what’s the non-lazy/superior way?
Nothing. Only people who don't know what they're talking about say that.