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

It is not the correct order, it is the agreed upon order.

If we did not have an agreed upon order, math problems would all have to have some sort of key with them, kind of like a map. In other words you take a test, and on the test you have the order of operations to use for all your problems.

It’s kind of like the qwerty keyboard we type on. If you had a different layout on every keyboard you used, it would be really difficult to write. Similar for PEMDAS just on a smaller scale.

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