Linked Questions

1
vote
1answer
64 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
vote
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
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^{...
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 ...
0
votes
1answer
64 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 (...
0
votes
1answer
23 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 ...
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 ...
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?
0
votes
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 ...
-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 ...
-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 ...
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 ...
1
vote
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 ...
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?
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.

15 30 50 per page