Is there any deep reason why math follows PEMDAS order of operations?(adsbygoogle = window.adsbygoogle || []).push({});

It seems like it's totally arbitrary to me. Like couldn't we read things right-to-left instead of left to right and couldn't we do subtraction before multiplication?

Why does it matter? Is it just a made up "rule" that math "authorities" decided on?

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# B Is Order of Operations, PEMDAS Arbitrary?

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