What is the logic behind PEMDAS?

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I know some places use BIDMAS as well. Overall though, to someone who knows little about mathematics, why is this the correct order? What’s the exact logic behind it

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Anonymous 0 Comments

The “correct order” is one which we all agree on. Parentheses coming first makes a lot of sense, since their whole purpose is to establish the ordering of things. Pairing multiplication and division next to one another makes things a lot easier, since they are effectively the same thing and it is often easier to do them all at once. The same with addition and subtraction.

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