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6/2(1+2)

Creator: Pølsemanden
February 26, 2012 6:42am
56 posts page 1 of 6 Forums » Off Topic » 6/2(1+2)
Permalink | Quote | PM | +Rep | Commend by Pølsemanden » February 26, 2012 6:42am | Report
Soo, is it 1 or is it 9? ;)

Pretty sure it's 9.
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Permalink | Quote | PM | +Rep | Commend by Yougan » February 26, 2012 7:10am | Report
Nope, It's 6212. :<

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Permalink | Quote | PM | +Rep | Commend by Kirluu » February 26, 2012 7:28am | Report
You can't set it up like that. You need to set up an actual fraction to have it make any sense.

It's quite obvious, that; in a sense, both answers are correct, only they follow two different ways of calculating it. Neither way is incorrect, and therefore both ways are correct, because of the fact that you can't know which way is the correct way, from the way that equation is set up.

If you want to make it 100 % certain it is 9, then you would have to use the actual division sign, in instead of the slash. The slash implicates a fraction, so therefore, that actually means that the answer is 1, because the fraction-sign is used instead of the division sign.

I'm rambling, but I'm gonna have to say 1, because the slash implicates a fraction, and the "times" between 2 and the paranthesis connects them, and are thus both under the fractionbar.

Therefore the calculation is:

(6)/(2*(2+1)) = 1
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Permalink | Quote | PM | +Rep | Commend by Lugignaf » February 26, 2012 8:56am | Report
It should be 9 if you're following the "multiplication/division from left to right" rule. If you're doing it in w/e order you wont, it's 1.
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Permalink | Quote | PM | +Rep | Commend by Wintermond » February 26, 2012 9:10am | Report
It's 9, it would be 1 if "2(2+1) would be in brackets.

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Permalink | Quote | PM | +Rep | Commend by Wayne3100 » February 26, 2012 9:25am | Report
The way I learned it, it should be multiplication before division, meaning it'd be 1.

But honestly, who the f*** cares? :P

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Permalink | Quote | PM | +Rep | Commend by The_Nameless_Bard » February 26, 2012 9:38am | Report
Does no one remember the order of operations (PEMDAS)?

6/2(2+1) is the same as 6÷2(2+1)

You have to do the parentheses first.

So it's 6/2(3).

Then the multiplication.

6/6

Then the division.

Which is 1.
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Permalink | Quote | PM | +Rep | Commend by Wintermond » February 26, 2012 9:46am | Report
I AM MATHS

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Permalink | Quote | PM | +Rep | Commend by IceCreamy » February 26, 2012 9:49am | Report
Simple...

First you have to everything between the brackets. So: 6/2*3, which is obviously 9 since multiplication and division are equal in terms of math.

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Permalink | Quote | PM | +Rep | Commend by Lugignaf » February 26, 2012 9:51am | Report
IceCreamy wrote:

Simple...

First you have to everything between the brackets. So: 6/2*3, which is obviously 9 since multiplication and division are equal in terms of math.

That's the way I learned it, yep.
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