Linked Questions

18
votes
11answers
6k views

Do values attached to integers have implicit parentheses?

Given $5x/30x^2$ I was wondering which is the correct equivalent form. According to BEDMAS this expression is equivalent to $5*\cfrac{x}{30}*x^2$ but, intuitively, I believe that it could also look ...
0
votes
1answer
45k views

The equation: 18 ÷ 3 ( 5 - 4 + 1 ) = 3 or 12? (order of operation) [duplicate]

the question might be simple to solve but when entered in google search as: 18/3(5-4+1) you get 12! However, If it was done using the order of operation it is ...
1
vote
2answers
52k views

Evaluating $6^2\div 2(3)+4$: is the answer $10$ or $58$? [duplicate]

Evaluating $$6^2\div 2(3)+4$$ I understand how people are getting $10$ but I am getting $58$ because I am not distributing the $2$ to the $3$ inside the parentheses. Is that correct?
2
votes
3answers
5k views

6/2*(1+2) is 1 or 9? [duplicate]

Possible Duplicate: What is 48÷2(9+3)? Please, look at the picture? Which calculator shows true result and how to prove achieved result?
1
vote
2answers
1k views

Order of Operations: What is value of the $6/4*4\;$? [duplicate]

Possible Duplicate: What is 48÷2(9+3)? My friend asked me value of expression 16/4*4. So what is value of 16/4*4? Is ...
1
vote
2answers
7k views

Casio Calculators Give 2 Different Answers [duplicate]

Possible Duplicate: What is 48÷2(9+3)? Sorry if this has already been asked, my searches were fruitless... There's been a buzz lately about the different results given by two different ...
0
votes
2answers
4k views

What does this equal? $6\div 2(1+2)$ [duplicate]

How do you figure out what $$6\div 2(2+1)$$ is equal? I get $9$, but some people say $7$ or even $1$ and I don't know how they get that? What does it really equal?
1
vote
1answer
8k views

Do we divide first or multiply first if we don't have any other information [duplicate]

Possible Duplicate: What is 48÷2(9+3)? 6/2*(1+2) is 1 or 9? order of operations division Apparently a very simple question but My question basically is, whether the answer of the ...
-2
votes
1answer
2k views

Operator precedence [duplicate]

Possible Duplicate: What is 48÷2(9+3)? Hi all I don't know if anyone has seen this question floating around Facebook, but me and a friend are a little conflicted. The question is: $6 \div ...
-2
votes
1answer
2k views

A simple but ambiguous expression [duplicate]

Possible Duplicates: Implicit multiplication order of operation What is 48÷2(9+3)? i am so confused after knowing different answer of this ques 48/2(9+3) though google cal comes up with ...
-4
votes
3answers
418 views

Why do folks get different answers for 48/2(9+3)? [duplicate]

I did 48/2(9+3) as I thought I had been taught and got the incorrect answer of 2. There's got to be a reason why so many are not only getting the wrong answer but consistently getting the same wrong ...
0
votes
2answers
797 views

Order of computation [duplicate]

Possible Duplicate: What is 48÷2(9+3)? In the field of real numbers, does the expression 10 / 2 * 5 make sense? Is it 25 or 1? Is it a bad question or the order of computation from left-to-...
1
vote
0answers
1k views

Implicit multiplication order of operation [duplicate]

Possible Duplicate: What is 48÷2(9+3)? $\begin{equation} 48 \div 2(9+3) = ? \end{equation}$ Is the answer to that 2 or 288? What is the order of operations for implicit multiplication?
1
vote
2answers
199 views

Precedence of concatenation: Is $5/7y$ equal to $(5/7)\times y$ or $5/(7\times y)$? [duplicate]

Possible Duplicate: Do values attached to integers have implicit parentheses? What is 48÷2(9+3)? What is “multiplication by juxtaposition”? What is the precedence of the ...
1
vote
3answers
130 views

What is a/b/c/d? That is: What is the correct order for multiple consecutive division operations? [duplicate]

Unlike with addition, subtraction and multiplication where the order of operations will lead to an unambiguous result when the rules of BIDMAS (or PEMDAS) are applied, this does not hold true for ...
-3
votes
2answers
73 views

$ 36 ÷ 6( 9 – 3) = ?$ $1$ or $36$ [duplicate]

1) $ 36 ÷ 6( 9 – 3) = ?$ $1$ or $36$ 2) $36 ÷ 6^{ (5 – 3)} \times 6 = ?$ $6$ or $216$ My Attempt : I used "VBODMAS" rule to solve the problem. 1) $ 36 ÷ 6( 9 – 3) =36 ÷ 6$ of $6$ $=...
2
votes
2answers
114 views

Simple BODMAS question including bracket expansion [duplicate]

I am trying to understand what is seemingly basic arithmetic that is causing a divide amongst my colleagues $$ 8÷2(2+2) $$ To me respecting the order of operations it would appear the answer is <...
0
votes
2answers
113 views

What is 6%2(2+1) and why? [duplicate]

This one is a classic, but never-the-less, it's been bothering me since I've read several contradicting answers, yet none of them has convinced me completely. So, how do I properly and correclty ...
-4
votes
2answers
115 views

Simple algebra, but causing arguments in a home school co-op discussion. $6^2/2(3)+4$ [duplicate]

Trying to get some human opinion on this problem. Very simple equation, but it is eliciting quite the controversy. I have executed it in Ruby, Java, C#, Javascript, Python, Perl and Excel with the ...
0
votes
1answer
109 views

Proof of Equality [duplicate]

Possible Duplicate: What is 48÷2(9+3)? I was having a heated debate with my colleague and we can't agree on the answer to this question: Does 6÷2(2+1) equal 9 or does it equal 1?
1
vote
1answer
51 views

$8:4\times2=1$ or $8:4\times2=4$? [duplicate]

A simple question but I know two conflicting rules on this: Multiplication is stronger that dividing: $8:4\times2=8:8=1$ Dividing is the same as multiplication with the inverse: $8:4\times2=8\times4^{...
0
votes
3answers
65 views

How to solve 'a÷b(c+d)'? [duplicate]

How to solve $a÷b(c+d)$? For example, $2÷4(8+16)$. Is it $($$\frac{2}{4}$$)(8+16)$ = $\frac{1}{2}$(8+16) = $\frac{1}{2}$(24) = 12? or $\frac{2}{4(8+16)}$ = $\frac{2}{4*24}$ = $\frac{2}{96}$ = $\...
-3
votes
2answers
59 views

Simple math question [duplicate]

6/2(2+1) = 9 or 6/2(2+1) = 1 I am not really sure which is the correct answer. I think the latter is much more correct than the former. If we assume the property of distribution then the latter can be ...
1
vote
0answers
30 views

What is 6/2(3), 1 or 9? According to PEMDAS M > D so it should be 1! [duplicate]

Pretty much what question says. 6÷2x3 = 1 or 6÷2x3 = 9 Given PEMDAS, I'd bet ...
0
votes
0answers
29 views

Order of muliplication with or without times sign [duplicate]

Is 6:2(2+1)=1 or is 6:2(2+1)=9 ? I can't find any information regarding the order of multiplication without a sign. I'm sure that 6:2*(2+1) is 9, but I'm not sure about this.
6
votes
4answers
2k views

Incorrect notation in math?

Does math have an incorrect notation / syntax? I don't mean writing misaligned notation (google), but when you take something like a number to powers to powers to powers, $${{2^2}^2}^3$$ (I was told ...
3
votes
6answers
49k views

8 / 4 (4-2) = ? What is answer? [duplicate]

What is answer for 8 / 4 (4-2) = ? My answer is 4. But some says it's 1. And arguing each others. They even using some calculators for prove them. Even those calculators showing both 1 and 4 as ...
6
votes
3answers
740 views

What is $9-5+2$? [closed]

What is 9-5+2 ? 9-5+2 = 6; //With Calculator 9-5+2 = 2; //Using BODMAS If you evaluate from the right it give you "2" which follows the law: Brackets-Of-...
8
votes
6answers
798 views

What we're never taught explicitly

I would like to make a complaint really. School math(s) can be the most boring way to learn: sitting down and rote learning binomial expansion or the volume of a cylinder is just not interesting. It ...
2
votes
3answers
860 views

What is the “status” of the rule that multiplication precedes addition.

What is the source, or "status", of the rule that multiplication is performed before addition? Is it a definitive property of $\mathbb R$, a property that can be derived directly from the definition ...

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