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Every often, amathematical problem viral on all social media and leaves trying to solve it scratch your head and I wondered how they couldpast the primary school.

This week he was Twitter user@pjmdoll who had the world abasoudi.

First, the equation seems quite easy. It is barely advanced calculation, after all. But then, you pause.Wait, what is the order in which I am supposed to solve this new?

Many people think that the answer is 1, thanks to PEMDAS, which dictates that you solve the equation in the parentheses, then exhibiting factor (not applicable here), followed by the multiplication, division, addition, and subtraction. This means that in this case it would be 2 + 2 is 4, 4 multiplied by 2 is equal to 8, and 8 divided by 8 is equal to one.

Simple, right? You do not needbe an astronaut Understand.

But not so fast.

Others argue that because the multiplication and division are at the same level in Pemdas, you are supposed to solve the equation from left to right. Which means that once you do what is inside parentheses (which, yes, is still 4), you resolve 8 divided by 2 (which is equal to 4), and 4 multiplied by 4, this which is equivalent indeed 16.

Is it 16? Is it 1? The debate has wild enough.

Apparently,the two The answers are technically accurate because mathematics are not as black and white as we believe only once.

Rhett Allain, Associate Professor of Physics at the University of Southeast of Louisiana, saidPopular Mechanics that this equation "is the mathematical version of, 'What is the color of this dress? Blue and black or white and gold? He would personally go from left to right, thus getting the answer 16, but it's not a strict and fast rule.

"We have conventions on how to write these things as we have conventions on how to spell things," Allain said. "But again, there are different conventions. Some people spell like "gray" and others like "gray". We still understand what's going on ".

Mike Breen, Public awareness officer at the American Mathematical Society, so saidPopular Mechanics that if you follow the "strict order of operations, you will get 16," but that "would be someone not touched on the wrist with a rule if they said 1."

"The way it's written, it's ambiguous," Breen explained. "In mathematics, a lot of times there are ambiguities. And here we thought that mathematics was the only thing we could count on the absolute certainty.

Do you really want to test your mathematics skills? here is20 questions grade-school math so hard you will ask you how you graduated.

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