## Math: 6÷2(1+2) = ? | |

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Anonymous Coward User ID: 56176204 United States 04/28/2014 08:23 AM Report Abusive Post Report Copyright Violation | Alright, there's a lot of self-proclaimed experts around these parts. Let's see how your logic holds up against some basic mathematics. Quoting: 6÷2(1+2) = ? I'll give two hints. This is NOT a trick question, and there is only 1 correct answer. All tools used for computation are fair game. (Yes, I saw this somewhere else and decided to post it here.) Best of luck to all you geniuses . Syrius 3 |

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Anonymous Coward User ID: 1478493 United States 04/29/2014 12:04 AM Report Abusive Post Report Copyright Violation | Multiply or Divide before you Add or Subtract. Example: Otherwise just go left to right. Example: 30 ÷ 5 × 3 = 6 × 3 = 18 yes 30 ÷ 5 × 3 = 30 ÷ 15 = 2 no (wrong) Divide and Multiply rank equally (and go left to right). [link to www.mathsisfun.com] |

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Anonymous Coward User ID: 24434153 Canada 04/29/2014 12:31 AM Report Abusive Post Report Copyright Violation | people who answered 9 should go back to school. the final operation is not 3*3=9, it's 3/3=1. that sign with the two dots above and below the dash means division, not multiplying. Quoting: Anonymous Coward 1368063Oops, and people wonder why we have third world countries. Multiplication and division are the same operation and are performed "simultaneously" in an abstract sense. OR Performed LEFT TO RIGHT as written. Anonymous Coward 1309528No they're not. "Simultaneously in an abstract sense"?? What kind of idiot bullshit is that????? Division is done FIRST. PERIOD!!! Proof that you have to evaluate division first: 3*4/5*6 If you incorrectly evaluate multiplication first you get: 3*4/5*6 12/30 .4 If you correctly evaluate division first you get: 3*4/5*6 3*.8*6 14.4 .4 is NOT 14.4! Order of operations bitches! Don't forget it! Anonymous Coward 1367296 holy shit. this is next level stupid. when using the order of operations it does not mean that you only consider the numbers on either side of the symbol. equations have a context that you have to read and you simplify based on what's given to you. 6 % 2 ( 2 + 1 ) there are two numbers that you are using to find a dividend with 6 and 2(2+1) (which is 6 expanded) the question is asking you, "what is the dividend of six DIVIDED BY EVERYTHING AFTER THE DIVIDING SIGN you can't magically pull that two away from the bracket in order to divide it into 6. the mere presence of the bracket gives you the context of the equation and tells you what you can and cannot do with it. you are thinking (6/2) * (2+1), which violated the laws of the universe there is only one answer, and it is one. |

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Anonymous Coward User ID: 39253030 Canada 04/29/2014 12:31 AM Report Abusive Post Report Copyright Violation | No, it's not. Use BEDMAS. Or, just copy and paste the equation into google. I just did to see if it would work, for fun... since I already knew the answer was 9 from elementary school math class. Lady of the Snow Google returns (6 / 2) * (1 + 2) = 9 When I look at the formation of the OP, I see 2(1 + 2) as one value, being (2 + 4). Thus, I see 6 / 6 = 1 I think that was my answer the first time I looked at this thread, too but that was quite some time ago. |

Anonymous Coward User ID: 7131892 United States 04/29/2014 12:35 AM Report Abusive Post Report Copyright Violation | lol Quoting: the between brackets should be calculed first so 1+2 = 3 that would be 6÷2(3) 2(3) = 6 6÷6 = 1 Anonymous Coward 1368017 Simple.. Like, you people realize you can google how to do this shit in 10 seconds.. Yet you instead reply instinctively with an incorrect answer and make yourselves look stupid. The answer is 1. Welcome to reality. |

Anonymous Coward User ID: 24434153 Canada 04/29/2014 12:39 AM Report Abusive Post Report Copyright Violation | You are incorrect. Quoting: The answer is still 9, even with the distributive property being, needlessly, applied. If you have 4x(2y+3) you get 8xy + 12x Right? That's because when you parse these units you don't just distribute the x by it's self you also distribute the 4 along with it. 4x = 4*x multiplication is of equal value of to division so rules are applied to them equally. So like how both the x and the 4 are distributed the 2 and the 6 are distributed in the equation 6÷2(1+2). And there for you end up with 6÷2*1 + 6÷2*2 = 9. This is a needless way of solving the equation because it has no variables and therefore can be solved simply with pemdas which gives you the same answer yet again. Zinthaniel hahahaha holy wow just when i thought the posts couldn't get any stupider thanks for the laff m8 |

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Anonymous Coward User ID: 43206630 United States 04/29/2014 01:01 AM Report Abusive Post Report Copyright Violation | [link to en.wikipedia.org] In mathematics and computer programming, the order of operations (sometimes called operator precedence) is a rule used to clarify which procedures should be performed first in a given mathematical expression. [link to en.wikipedia.org] [link to en.wikipedia.org] |

Anonymous Coward User ID: 43206630 United States 04/29/2014 01:15 AM Report Abusive Post Report Copyright Violation | Mnemonics are often used to help students remember the rules, but the rules taught by the use of acronyms can be misleading. In the United States the acronym PEMDAS is common. It stands for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. PEMDAS is often expanded to "Please Excuse My Dear Aunt Sally" with the first letter of each word creating the acronym PEMDAS. Canada uses BEDMAS. It stands for Brackets, Exponents, Division, Multiplication, Addition, Subtraction. The UK and Australia[8] use BODMAS or BIDMAS. In Canada and other English speaking countries, Parentheses may be called Brackets, or symbols of inclusion and Exponents may be called either Indices, Powers or Orders, which have the same precedence as Roots or Radicals. Since multiplication and division are of equal precedence, M and D are often interchanged, leading to such acronyms as BOMDAS. The original order of operations in most countries was BODMAS which stood for Brackets, Orders, Division, Multiplication, Addition, Subtraction. This mnemonic was used until exponentials were added into the mnemonic. These mnemonics may be misleading when written this way, especially if the user is not aware that multiplication and division are of equal precedence, as are addition and subtraction. Using any of the above rules in the order "addition first, subtraction afterward" would also give the wrong answer to the problem 10 - 3 + 2 \,. The correct answer is 9 (and not 5, which we get when we do the addition first and then the subtraction). The best way to understand a combination of addition and subtraction is to think of the subtraction as addition of a negative number. In this case, we see the problem as the sum of positive ten, negative three, and positive two. 10 + (-3) + 2 \, To emphasize that addition and subtraction have the same precedence (and multiplication and division have the same precedence) the mnemonic is sometimes written P E MD AS; or, simply as PEMA. All of these acronyms conflate two different ideas, operations on the one hand and symbols of grouping on the other, which can lead to confusion. hence the confusion different mnemonic curriculum on different continents/countries some would arrive at 1 others would arrive at 9 igniting a 142 page long flame war well done op 10/10 lol |

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