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Heroes Community > Volcanic Wastelands > Thread: How the **** can you mess this up
Thread: How the **** can you mess this up This thread is 3 pages long: 1 2 3 · NEXT»
NoobX
NoobX


Promising
Legendary Hero
Now, this is a paradox...
posted January 14, 2020 09:53 AM
Edited by NoobX at 11:22, 14 Jan 2020.

How the **** can you mess this up

A rather simple thread appeared on /b with a rather simple equation:

62(1+2)=?

And as always all hell breaks loose.  People keep bringing up this PEMDAS which I can only guess stands for

Parentheses; Exponents; Multiplication; Division; Addition; Substraction

And now that I've read about it I cannot but feel shocked that multiplication and division have been put on the same level of priority.  Like, what the hell people?!

Instead of getting 1 as the answer to the equation, people are getting 9 because they are dividing before multiplying.  Again, what the hell?  Never in my life have I seen multiplication and division be put on the same level of priority.  Never.  But apparently all the sites I've checked seem to do that; all the people citing PEMDAS seem to do that.  What am I missing here?
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Ghost said:
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Drakon-Deus
Drakon-Deus


Undefeatable Hero
O(+>
posted January 14, 2020 10:46 AM

Dear Math,

I don't miss you at all.

Love,

Me
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Neraus
Neraus


Promising
Legendary Hero
Pizza Nazi
posted January 14, 2020 11:07 AM

Easy, stop being a scrub doing all on a single line. Be a real man and use fractions you sniveling coward!
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PLVTOCRATIC AND REACTIONARY DEMOCRACIES OF THE WEST
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CountBezuhoff
CountBezuhoff


Supreme Hero
Have you seen my chicken?
posted January 14, 2020 12:19 PM

The way it is written the answer should be 9, but do mind that only a monkey (or a fourth grader) would be foolish enough to tarnish his good name with such a flawed syntax.

Neraus said:
Easy, stop being a scrub doing all on a single line. Be a real man and use fractions you sniveling coward!


Agreed. It's much easier to keep track of and gives you room to concentrate on more crucial parts of the problem.

The Count
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Oddball13579
Oddball13579


Legendary Hero
Grandmaster of the Hunt
posted January 15, 2020 12:31 AM
Edited by Oddball13579 at 00:32, 15 Jan 2020.

Because multiplication is not a "higher priority". It does not come before division.

True PEMDAS looks more like this.

Parenthesis-->Exponents-->{Multiplication & Division}-->{Addition & Subtraction}.
Multiplication/division and addition/subtraction are equal in the order of operations.

Multiplication and division take priority over addition and subtractions. But they do not take priority over each other.

62(1+2)=?

After doing the parenthesis, all you have left is division and multiplication. So you simply solve from left to right now. Because multiplication and division are equal. So 623=9.

Incidentally it wasn't called PEMDAS when I was in school it was BEDMAS.
Brackets-->Exponents-->Division-->Multiplication-->Addition-->Subtraction.

Even if I did division first, the answer would still be the same. 9.

TL;DR Multiplication and division are equal, when they are the only things left you simply solve from left to right. One does not come before the other. Same rule for addition and subtraction.
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NoobX
NoobX


Promising
Legendary Hero
Now, this is a paradox...
posted January 15, 2020 01:05 AM

So what you're saying is that "62(2+1)" is the same as "(62)*(2+1)"?

It would make sense if "62" was actally the fraction "6/2" and the "(2+1)" is separated from it, but then this is a question regarding syntax.

The way I've been taught makes me say that "62(2+1)" is the same as "6(2*(2+1))"

What the hell is going on?!
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Ghost said:
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Oddball13579
Oddball13579


Legendary Hero
Grandmaster of the Hunt
posted January 15, 2020 03:19 AM
Edited by Oddball13579 at 03:19, 15 Jan 2020.

NoobX said:
So what you're saying is that "62(2+1)" is the same as "(62)*(2+1)"?
Yeah those two are the same equation. One is just missing the "*" sign. When you have a number next to a (), for instance like 1506(325*5) it really means 1506*325*5. It just makes it look a little cleaner. A number next to a () just means multiplication without the sign.

NoobX said:
It would make sense if "62" was actally the fraction "6/2" and the "(2+1)" is separated from it, but then this is a question regarding syntax.
True. But regardless if you write it out as 6/2 or 62 the end result is still gonna be the same.

NoobX said:
The way I've been taught makes me say that "62(2+1)" is the same as "6(2*(2+1))"
This is a little trickier cause those are technically 2 different equations when it comes down to it. If you were to solve them with PEMDAS/BEDMAS the answers would be different.

62(2+1)
62(3)
3*3
=9

6(2*(2+1))
6(2(3))
6(2*3)
66
=1

NoobX said:
What the hell is going on?!
I honestly have no idea man, math is so snowing weird.
____________
"Just slide her down a bit farther. I could wear her like a hat." - Gnomes
"I would have needed to dislocate my jaw to fit it inside my hole." - Blizzardboy

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Celfious
Celfious


Promising
Legendary Hero
-3 cat deflection
posted January 15, 2020 11:46 AM


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/ off

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Minion
Minion


Legendary Hero
posted January 15, 2020 12:49 PM

NoobX said:

The way I've been taught makes me say that "62(2+1)" is the same as "6(2*(2+1))"




It is not the same. They have tought you wrong

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NoobX
NoobX


Promising
Legendary Hero
Now, this is a paradox...
posted January 15, 2020 01:21 PM

That's great, 12 years of schooling going down the drain, just like that.
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Ghost said:
Door knob resembles anus tap.

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Drakon-Deus
Drakon-Deus


Undefeatable Hero
O(+>
posted January 15, 2020 02:25 PM

NoobX said:
That's great, 12 years of schooling


...and they judge me based  on a two-page resume. Great, yes.
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Elvin
Elvin


Admirable
Omnipresent Hero
What if Elvin was female?
posted January 15, 2020 02:44 PM
Edited by Elvin at 14:58, 15 Jan 2020.

Heh. People always have their own version of maths.

It's ok nooby, we forgive you.

PS:

62(1+2)= (6/2)x(1+2) = 6/(2x3)

Any order will work.

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Blizzardboy
Blizzardboy


Honorable
Undefeatable Hero
Iceskating uphill
posted January 15, 2020 02:56 PM

The Order of Operations are more like guidelines to light the way on the individualistic journey of life. Just be yourself when deciding how closely you want to follow them. You might not get THE right answer, but you will get YOUR right answer.
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Blizzardboy
Blizzardboy


Honorable
Undefeatable Hero
Iceskating uphill
posted January 15, 2020 03:00 PM

NoobX said:

The way I've been taught makes me say that "62(2+1)" is the same as "6(2*(2+1))"



I don't think that's how you were taught. At least I hope not.
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Drakon-Deus
Drakon-Deus


Undefeatable Hero
O(+>
posted January 15, 2020 03:22 PM

Blizzardboy said:
The Order of Operations are more like guidelines to light the way on the individualistic journey of life. Just be yourself when deciding how closely you want to follow them. You might not get THE right answer, but you will get YOUR right answer.


Like the Pirate Code, eh?
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Horses don't die on a dog's wish.

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Oddball13579
Oddball13579


Legendary Hero
Grandmaster of the Hunt
posted January 15, 2020 11:47 PM

Blizzardboy said:
The Order of Operations are more like guidelines to light the way on the individualistic journey of life. Just be yourself when deciding how closely you want to follow them. You might not get THE right answer, but you will get YOUR right answer.
That's.......that's really snowing stupid. We aren't f-ing pirates here.
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"Just slide her down a bit farther. I could wear her like a hat." - Gnomes
"I would have needed to dislocate my jaw to fit it inside my hole." - Blizzardboy

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Elvin
Elvin


Admirable
Omnipresent Hero
What if Elvin was female?
posted January 16, 2020 10:30 AM

Oh no. You didn't get the memo?
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Oddball13579
Oddball13579


Legendary Hero
Grandmaster of the Hunt
posted January 17, 2020 05:49 AM
Edited by Oddball13579 at 05:49, 17 Jan 2020.

Wait which memo?

Was it the one about how we missed Jesus's resurrection? Or the memo about Count's real name being leaked?
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"Just slide her down a bit farther. I could wear her like a hat." - Gnomes
"I would have needed to dislocate my jaw to fit it inside my hole." - Blizzardboy

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Maurice
Maurice

Hero of Order
Part of the furniture
posted January 18, 2020 12:01 PM

Elvin said:


(6/2)x(1+2) = 6/(2x3)



How is (6/2) x (2x3) ever equal to 6/(2x3)?

Brackets are the first thing you need to work out, so the left one resolves into 3x6, whereas the right one resolves into 6/6.
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The last Reasonable Steward of Good Game Design and a Responsible Hero of HC. - Verriker

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CountBezuhoff
CountBezuhoff


Supreme Hero
Have you seen my chicken?
posted January 18, 2020 01:00 PM

HC can't into math.

The Coubt
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