this post was submitted on 19 Jul 2023
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[–] Uphillbothways@lemmy.world 12 points 1 year ago* (last edited 1 year ago) (1 children)

Pemdas is mostly just factoring, kinda. That's how you should think of it.

2x4 is really 2+2+2+2.

That first 2+(anything else) can't be acted/operated upon until you've resolved more nested operations down to a comparable level.

That's it. It's not arbitrary. It's not magic. It's just doing similar actions at the same time in a meaningful way. It's just factoring the activities.