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View Poll Results: 6÷2(1+2) equals what?
1 45 47.37%
7 1 1.05%
9 47 49.47%
No idea 2 2.11%
Voters: 95. You may not vote on this poll

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  #41  
Old 03.06.2011, 11:03
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Re: 6÷2(1+2) equals what exactly

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Sure, throw a "." in to twist the result to your answer ?
It's not twisting, it's the reality....
  #42  
Old 03.06.2011, 11:03
economisto
 
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Re: 6÷2(1+2) equals what exactly

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Google is also wrong....
no. you are. I have to leave the PC now...before I snap it in half.

Most of the people on this thread work for banks or are responsible for key IT systems. Is this why we're in a economic slump? Did somebody divide then multiply by accident?
  #43  
Old 03.06.2011, 11:03
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Re: 6÷2(1+2) equals what exactly

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Would this be a good time to say that this has been discussed to DEATH on the internet already?
So what was the answer? Your Google link? Or are you just saying Slaphead's not original?
  #44  
Old 03.06.2011, 11:04
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Re: 6÷2(1+2) equals what exactly

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Google is also wrong....
Wow, you're really like the fanatic defenders, defending their beliefs
Put in excel and see Come 10 minutes later stating that "excel is wrong, too".
  #45  
Old 03.06.2011, 11:05
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Re: 6÷2(1+2) equals what exactly

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It's not twisting, it's the reality....
Stick to the original. There is no "."
  #46  
Old 03.06.2011, 11:05
porsch1909
 
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Re: 6÷2(1+2) equals what exactly

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So what was the answer? Your Google link? Or are you just saying Slaphead's not original?

Most threads go like this. Some people say 9, some people say 1...then usually someone comes up with something silly like 5 when using a base other than 10.

But mostly I'm just saying he's not original.
  #47  
Old 03.06.2011, 11:06
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Re: 6÷2(1+2) equals what exactly

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Stick to the original. There is no "."
and? The result is still 9
  #48  
Old 03.06.2011, 11:07
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Re: 6÷2(1+2) equals what exactly

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and? The result is still 9
Fault my logic in my first post. Prove where it is wrong.
  #49  
Old 03.06.2011, 11:08
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Re: 6÷2(1+2) equals what exactly

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Eh, it's not a widely used math dilemma for nothing. Most people have had the parantheses priority drilled into them, to the point where it's taken up slightly erroneous dimensions.
But isn't that an issue of solving what's inside the parenthesis first - it doesn't mean you solve everything related/link to the parenthesis first.

i.e. 1+(1+3)/2 = 1+4/2 = 1+2 = 3

And not (which is what UTH is on about):

1+(1+3)/2 = 1+4/2 = 5/2 = 2.5

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Fault my logic in my first post. Prove where it is wrong.
Right here...
  #50  
Old 03.06.2011, 11:09
economisto
 
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Re: 6÷2(1+2) equals what exactly

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You must apply the 2(1+2) first, it cannot be separated.
That bit is 6.
Any number divided by itself is 1
6/6 =1
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Fault my logic in my first post. Prove where it is wrong.
No problem. The top bit - "it cannot be separated" is NOT true. You just invented that. That's where you are wrong. I charge 30 chuffs an hour to help kids with maths homework. Standing order is fine.
  #51  
Old 03.06.2011, 11:10
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Re: 6÷2(1+2) equals what exactly

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No parenthesis has been invented. I just stated them for clarity.
The "clarity" stems from a false assumption on your part. The parantheses doesn't overtake the 2 to become (2*3). It remains 2*(3), and at that point the fact that the 3 is in parantheses doesn't matter anymore.
  #52  
Old 03.06.2011, 11:10
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Re: 6÷2(1+2) equals what exactly

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Fault my logic in my first post. Prove where it is wrong.
I already did in my previous post:

The equation becomes 6/2x3, not 6/(2x3). Don't invent the parenthesis by yourself.
  #53  
Old 03.06.2011, 11:10
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Re: 6÷2(1+2) equals what exactly

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Fault my logic in my first post. Prove where it is wrong.
I'm with UtH

(1+2) is to the -1 power in the expression for me.
  #54  
Old 03.06.2011, 11:11
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Re: 6÷2(1+2) equals what exactly

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For the South Africans out there, remember BODMAS, not a word that makes sense but one I have never forgotten, I wonder if they still teach it like that.

Brackets
power Of
Division
Multiplication
Adddition
Subtraction

Therefore the South African answer is 1
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BODMAS is correct, your understanding of it isn't

it's:

B
O
D and M in the order they occur left to right
A and S in the order they occur left to right
Just to bring economisto's point home, my American education (shrugs off snickers and eye-rolls) taught us "PEMDAS": parentheses, exponents, multiplication, division, addition, subtraction.

Contrary to what many might argue, the fact that MD and DM are interchangeable is an indication that they can (and should) be performed in sequential order, and not a failure of any national education system.

So, yes, 9.
  #55  
Old 03.06.2011, 11:11
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Re: 6÷2(1+2) equals what exactly

As I said in my first post 2(2+1) can only be processed as a single function. You cannot separate either 2's or the 1 and then apply it to the first 6. It's 6 / 2(2+1) , thus 6/2(3) , thus 6/6), thus 1.
  #56  
Old 03.06.2011, 11:13
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Re: 6÷2(1+2) equals what exactly

Without reading the thread, I got 9.

But, O.M.F.G, we can even argue about a Primary 6 Math problem which using the rule of BODMAS quite clearly states that its 9. Gotta love EF sometimes.

FFS people....
  #57  
Old 03.06.2011, 11:13
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Re: 6÷2(1+2) equals what exactly

Can somebody's preteen kid please relieve us from this mod torture...
  #58  
Old 03.06.2011, 11:14
economisto
 
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Re: 6÷2(1+2) equals what exactly

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FFS people....
Remember that these are the guys programming the systems which spit out your cash from the ATM or calculate the quantity of ingredients in your headache pills. Worried?
  #59  
Old 03.06.2011, 11:14
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Re: 6÷2(1+2) equals what exactly

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As I said in my first post 2(2+1) can only be processed as a single function. You cannot separate either 2's or the 1 and then apply it to the first 6. It's 6 / 2(2+1) , thus 6/2(3) , thus 6/6), thus 1.
Even using your model:

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A=6/2(1+2)

A=6/2(3)

A=6/2x3

A=3x3

A=9
You are forgetting that if you multiply out the brackets, you've gotten rid of them...

Or, you're just trolling on this funny Friday

Last edited by Carlos R; 03.06.2011 at 11:27.
  #60  
Old 03.06.2011, 11:15
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Re: 6÷2(1+2) equals what exactly

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Remember that these are the guys programming the systems which spit out your cash from the ATM or calculate the quantity of ingredients in your headache pills. Worried?
....exactly. When did you last find an arithmetic error on your bank statement or at the ATM?
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