Linked Questions

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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
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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 ...
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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 ...
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2answers
40 views

Basic error in order of operations [duplicate]

I know this is a very serious place to put this basic question. But I didn't find an explanation for the same. I know that $ab/ab=b^2$ for all reals with $a\neq0$. But some of my students believe ...
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2answers
59 views

What the solve for this sentence?

$6÷2(1+2)=$? $6÷2\times3=9$ We need to solve first the parentheses or we can distribute this way: $6÷(2\times1+2\times2)=$? $6÷(2+4)=$? $6÷6=1$ What is the correct? $9$ or $1$?
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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 ...
0
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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?
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2answers
800 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-...
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2answers
70 views

Order of operations for simple sum [duplicate]

6÷2(1+2)? according to PEDMAS, is it 1 or 9? Is the parenthesis operation simply the addition of 1 and two or is it only complete after multiplication?
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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 $6$ $=...
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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 ...
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2answers
852 views

Can $7 + 4 \times 8$ have multiple answers?

My textbook says evaluate $7 + 4 \times 8$ in a revision course. Is it $7 + 4$, then multiply by 8 or $7 + (4 \times 8)$ ? The calculator automatically gives me the correct answer, so I am going to ...
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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 ...
13
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1answer
2k views

What is the standard interpretation of order of operations for the basic arithmetic operations?

What is the standard interpretation of the order of operations for an expression involving some combination of grouping symbols, exponentiation, radicals, multiplication, division, addition, and ...
2
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1answer
97 views

Precedence of $\times$ and $\cup$.

In topology, there is a very strong need of describing subsets of some product $X\times Y$ by means of unions and products. For example, this is a very convenient way of describing subsets of the ...
1
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1answer
65 views

Ambiguity with parentheses multiplications [closed]

I was recently shown the equation $6 \div 2(1 + 2) = ?$, and it was disputed whether this equation equals $1$ or $9$. To solve for $1$: $$ 6 \div 2(1 + 2) \\ 6 \div 2(3) \\ 6 \div 6 \\ 1 $$ To ...
1
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1answer
47 views

How to Justify the way to solve “A / B * C”

this may be a silly (and duplicated or triplicated) question, but I don't know how justify one or other way to solve this: $A/B*C$ It is clear that: $(A/B)*C \neq A/(B*C)$ One I have heard some ...
1
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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^{...
1
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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 ...
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1answer
65 views

Is 'O' in BODMAS really for 'of'?

We were trying to solve a BODMAS question (with many solutions like always) when I came across this link. https://www.mathsisfun.com/operation-order-bodmas.html For the entire life, I have studied (...
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1answer
24 views

Does an inline algebra expression with multiplication in the dividend imply a quantity?

Here's a trivial one. Given the inline algebra expression (2a + b) / 3c imply that the 3c is a quantity, and that the order of operations should be equivalent to (2a + b) / (3c) ? Or should it be ...
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1answer
47k 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 ...
0
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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?
0
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1answer
2k views

Priority of parentheses and brackets in basic arithmetic.

Wolfram alpha is giving inconsistent results to this problem: When I enter: 16÷2( 8-3(4-2) )+1 the result is 17. When I enter: 16÷2[ 8-3(4-2) ]+1 the result is 5. and 16÷2*[ 8-3(4-2) ]+1 brings ...
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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 ...
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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 ...
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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 ...
1
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0answers
83 views

Why got multiplication and division higher priority than addition and subtraction? [duplicate]

Possible Duplicate: What is the “status” of the rule that multiplication precedes addition. I know it's some kind of axiom, that "1 + 2 * 3" is the same as "1 + (2 * 3)", but who ...
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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?
0
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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.

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