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View Poll Results: ?

1. 40 26.85%
9. 99 66.44%
Others.(Please specify.) 2 1.34%
Hard to say. 8 5.37%
Voters: 149. You may not vote on this poll

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Old Oct 10th, 2012, 12:19 PM   #61
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Re: 6÷2(2+1)=?

I'm a Chinese and I say it's 9.
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Old Oct 10th, 2012, 12:37 PM   #62
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Re: 6÷2(2+1)=?

BIMDAS PEOPLE.

Brackets
Indicies
Multiplication
Division
Addition
Subtraction!
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Old Oct 10th, 2012, 12:49 PM   #63
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Re: 6÷2(2+1)=?

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Old Oct 10th, 2012, 01:33 PM   #64
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by HipsterPova View Post
BIMDAS PEOPLE.

Brackets
Indicies
Multiplication
Division
Addition
Subtraction!
Even in that order I'm still confused From what I remember (bear in mind it's been at least 7 years since I did this stuff and in England the exams are "dumbed down" anyway) dealing brackets first means you should get rid of them, so you'd multiply the (2+1) with the 2 rather than leaving it as 6/2(3) and thus end up with 6/6 = 1.

Another possibility is that I may have remembered this all wrong. Apparently that's the case
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Old Oct 10th, 2012, 01:41 PM   #65
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by HipsterPova View Post
BIMDAS PEOPLE.

Brackets
Indicies
Multiplication
Division

Addition
Subtraction
!
To me both multiplication and division or addition and substraction are equal. So I will start from left to right in the equation:

6÷2(2+1)= 6/2 (3) = 3 (3) = 9!
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Old Oct 10th, 2012, 01:50 PM   #66
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Re: 6÷2(2+1)=?

It's 9

6/2=3
2+1=3

First you have to opperate the parenthesis, then you opperate from let to right. 3 x 3 = 9

Quote:
Originally Posted by Matías. View Post
It is a math problem that appeared on facebook some time ago, some people argue to death and defriend each other arguing which is the correct answer for it, 9 or 1. Scandalous.


Well I would definitely defriend someone if he started insulting me because of saying the correct answer
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Old Oct 10th, 2012, 02:42 PM   #67
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Re: 6÷2(2+1)=?

It's 9. I don't get the point of it actually..

(6÷2)(2+1)
(3)(3)
9
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Old Oct 10th, 2012, 03:10 PM   #68
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Re: 6÷2(2+1)=?

Seriously the aim of these kind of questions is just to trick people, because with sufficient use of brackets all ambiguity can be avoided.
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Old Oct 10th, 2012, 03:26 PM   #69
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by Mary Cherry. View Post
Even in that order I'm still confused From what I remember (bear in mind it's been at least 7 years since I did this stuff and in England the exams are "dumbed down" anyway) dealing brackets first means you should get rid of them, so you'd multiply the (2+1) with the 2 rather than leaving it as 6/2(3) and thus end up with 6/6 = 1.

Another possibility is that I may have remembered this all wrong. Apparently that's the case
AAAAAAAAND now I know your age
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Old Oct 10th, 2012, 03:37 PM   #70
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by HipsterPova View Post
AAAAAAAAND now I know your age
Depends, do you know the GCSE Maths/Key Stage 3 curricula for 2005?
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Old Oct 10th, 2012, 03:37 PM   #71
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by Pump-it-UP View Post
Yes? I've been unfortunate enough to sit through debates of this type of problem in multiple math classes, so I'm cognizant of each argument. Both are logically sound IMO due to the horrific manner in which the equation is structured. I just happen to think that answering it with 1 is more appropriate.
Well mathematics is a language with very fussy, standardized grammar, and the way the expression is written makes it equal to 9.

1 is neither a logically sound nor appropriate answer because the expression 6÷2(2+1) means "take 6, divide by two, multiply by 3." It does not mean "multiply 2 by 3 and divide 6 by that whole thing." There is one way of interpreting what is written here.
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Old Oct 10th, 2012, 03:40 PM   #72
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by égalité View Post
Well mathematics is a language with very fussy, standardized grammar, and the way the expression is written makes it equal to 9.

1 is neither a logically sound nor appropriate answer because the expression 6÷2(2+1) means "take 6, divide by two, multiply by 3." It does not mean "multiply 2 by 3 and divide 6 by that whole thing." There is one and only one way of interpreting what is written here.
So basically we should dismiss what they taught us in school?

I'm not even surprised
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Old Oct 10th, 2012, 03:48 PM   #73
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by Mary Cherry. View Post
So basically we should dismiss what they taught us in school?

I'm not even surprised
No, this is what they taught you in school

You do what's inside the brackets first, i.e. change 2+1 to 3...then the expression is 6÷2 x 3.
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Last edited by égalité : Oct 10th, 2012 at 04:17 PM.
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Old Oct 10th, 2012, 03:49 PM   #74
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Re: 6÷2(2+1)=?

Oh Mary, such a hot, mathematical, lesbian mess.
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Old Oct 10th, 2012, 04:06 PM   #75
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Re: 6÷2(2+1)=?

EDIT: I can't even be arsed.
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