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## Math: 6÷2(1+2) = ? | |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:04 PM Report Abusive Post Report Copyright Violation | I will read it in a sec. I have researched the exact meaning of the obelus, depicted here: [link to www.freeimagehosting.net] It was used as a grouping symbol. Not that is applies anymore, it was first used like this: 6 ÷ 2 + 1 really meant 6 ÷ (2+1). neither here nor there, but I thought you would find that interesting, i guess. Anonymous Coward 32057798 The meaning of the obelus is where our problems arose from... And even me googling it doesn't give me a definitive answer, just that blog which leads me to believe you are correct and I have been wrong. |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:05 PM Report Abusive Post Report Copyright Violation | That is hilarious. He referenced the exact page of the book I found earlier this week. Quoting: But again, if you go back to that algebra page I gave you, we group variables together, and even YOU did those math equations using those very same rules, yet you are using a different 'rule' to get your 9, therefore, contradicting yourself. Anyway, I gotta run for now. Sorry for a few snappy remarks at you earlier, I thought you were one of the other guys trolling, then I realized it was you after I replied :D Anonymous Coward 32057798 All good I gave really shitty responses to people in this thread. Joke is on me, I was wrong. Thanks for your work. If you have anything else on the obelus, post it here. |

Anonymous Coward User ID: 32057798 Canada 01/17/2013 11:08 PM Report Abusive Post Report Copyright Violation | |

caper_26 User ID: 32057798 Canada 01/17/2013 11:11 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:12 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:13 PM Report Abusive Post Report Copyright Violation | All good I gave really shitty responses to people in this thread. Joke is on me, I was wrong. Thanks for your work. Quoting: If you have anything else on the obelus, post it here. Anonymous Coward 31557420 I have already, and of course, I was told I was retarded, etc etc. caper_26 32057798 Yup. That was me. Sorry. You were right. I am retarded. |

Anonymous Coward User ID: 32057798 Canada 01/17/2013 11:17 PM Report Abusive Post Report Copyright Violation | All good I gave really shitty responses to people in this thread. Joke is on me, I was wrong. Thanks for your work. Quoting: If you have anything else on the obelus, post it here. Anonymous Coward 31557420 I have already, and of course, I was told I was retarded, etc etc. caper_26 32057798 I am surprised you accept the obelus as the deal breaker, and not the identity property. a / 1a = 1. This is not disputable. Even ask your PhD friend about that. the 1 is there whether you write it or not. Anyone who knows math knows this. Therefore a/a is always 1, and a/1a is always 1. Therefore a/2a MUST be 1/2, and 6/2a is 3/a, and a = 2+1 so 6/2(2+1) = 3/(2+1). The identity law is something we all can read, and accept. For me, that was deal breaker, along with fractional coefficients written with a '/' all use ( ) as well. |

Anonymous Coward User ID: 32057798 Canada 01/17/2013 11:18 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:19 PM Report Abusive Post Report Copyright Violation | All good I gave really shitty responses to people in this thread. Joke is on me, I was wrong. Thanks for your work. Quoting: If you have anything else on the obelus, post it here. Anonymous Coward 31557420 I have already, and of course, I was told I was retarded, etc etc. caper_26 32057798 I am surprised you accept the obelus as the deal breaker, and not the identity property. a / 1a = 1. This is not disputable. Even ask your PhD friend about that. the 1 is there whether you write it or not. Anyone who knows math knows this. Therefore a/a is always 1, and a/1a is always 1. Therefore a/2a MUST be 1/2, and 6/2a is 3/a, and a = 2+1 so 6/2(2+1) = 3/(2+1). The identity law is something we all can read, and accept. For me, that was deal breaker, along with fractional coefficients written with a '/' all use ( ) as well. Anonymous Coward 32057798 I understand, but the original equation was written with an obelus, NOT a solidus... |

Anonymous Coward User ID: 32487741 Malaysia 01/17/2013 11:24 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:24 PM Report Abusive Post Report Copyright Violation | If you have anything else on the obelus, post it here. Anonymous Coward 31557420 I have already, and of course, I was told I was retarded, etc etc. caper_26 32057798 I am surprised you accept the obelus as the deal breaker, and not the identity property. a / 1a = 1. This is not disputable. Even ask your PhD friend about that. the 1 is there whether you write it or not. Anyone who knows math knows this. Therefore a/a is always 1, and a/1a is always 1. Therefore a/2a MUST be 1/2, and 6/2a is 3/a, and a = 2+1 so 6/2(2+1) = 3/(2+1). The identity law is something we all can read, and accept. For me, that was deal breaker, along with fractional coefficients written with a '/' all use ( ) as well. Anonymous Coward 32057798 And yes, I understand your point with the identity property as well... I also suppose I thought the identity property is normally written out as a fraction, not with a solidus. Nevertheless I don't even think that matters now... a solidus or an obelus imply a fraction... |

Anonymous Coward User ID: 32057798 Canada 01/17/2013 11:25 PM Report Abusive Post Report Copyright Violation | I understand, but the original equation was written with an obelus, NOT a solidus... Quoting: Anonymous Coward 31557420 But the identity law doesn't change, and is used the same way. a ÷ a = 1 (There is still a 1 in front of both a's) 1a ÷ 1a = 1 (not 1*a÷1*a) therefore, 6 ÷ 2n = 3/n PS: The obelus can be interchanged with a divisional slash, but not as a Solidus. Check this out, forgot I had it: =================================== Obelus: The obelus is primarily used as a symbol for division Quoting: Slash: Used between numbers slash means division, and in this sense the symbol may be read aloud as "over". Solidus: The solidus <snip due to html coding of symbols> or a shilling mark is a punctuation mark used to indicate fractions.Now, the obelus and slash can be used interchangeably as long as the slash is interpreted as division NOT mistaken for a solidus. In that regard 6÷2n = 6/2n, which MEANS 6/(2n). Let n = 2+1. caper_26 |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:26 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 18432713 United States 01/17/2013 11:27 PM Report Abusive Post Report Copyright Violation | |

Syrius (OP)User ID: 19364503 United States 01/17/2013 11:29 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:29 PM Report Abusive Post Report Copyright Violation | I understand, but the original equation was written with an obelus, NOT a solidus... Quoting: Anonymous Coward 31557420 But the identity law doesn't change, and is used the same way. a ÷ a = 1 (There is still a 1 in front of both a's) 1a ÷ 1a = 1 (not 1*a÷1*a) therefore, 6 ÷ 2n = 3/n PS: The obelus can be interchanged with a divisional slash, but not as a Solidus. Check this out, forgot I had it: =================================== Obelus: The obelus is primarily used as a symbol for division Quoting: Slash: Used between numbers slash means division, and in this sense the symbol may be read aloud as "over". Solidus: The solidus <snip due to html coding of symbols> or a shilling mark is a punctuation mark used to indicate fractions.Now, the obelus and slash can be used interchangeably as long as the slash is interpreted as division NOT mistaken for a solidus. In that regard 6÷2n = 6/2n, which MEANS 6/(2n). Let n = 2+1. caper_26Anonymous Coward 32057798 Thank you very very much. And wow, I was even thinking a solidus WAS the same as a slash... |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:32 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:32 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 32057798 Canada 01/17/2013 11:32 PM Report Abusive Post Report Copyright Violation | Gotta run dude, work in the a.m. Here is another problem that tried to depict the problem in real world: you may agree or disagree with. Keep in mind, the units are "units squared" as we are dealing with area, so the units when the computation is done, must make sense: [link to i45.tinypic.com] Talk to you later man. |

Anonymous Coward User ID: 32487741 Malaysia 01/17/2013 11:33 PM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:36 PM Report Abusive Post Report Copyright Violation | So how did it go? Quoting: The 9 way or 1. Somebody has to put this to vote. Anonymous Coward 32487741 I was a prick and an adamant 9er... caper_26 turned me into a 1er... I obviously need to brush up on basic mathematical properties... Anonymous Coward 31557420 Funny, i was a 1'ner turned 9. Anonymous Coward 32487741 read the Canadian 32057798... he is right. If you were recently converted to a 9er (within the past 3 days), it may have been I who converted you, and I mistakenly did so. The Canadian is right... |

Anonymous Coward User ID: 31557420 United States 01/17/2013 11:37 PM Report Abusive Post Report Copyright Violation | Gotta run dude, work in the a.m. Quoting: Here is another problem that tried to depict the problem in real world: you may agree or disagree with. Keep in mind, the units are "units squared" as we are dealing with area, so the units when the computation is done, must make sense: [link to i45.tinypic.com] Talk to you later man. Anonymous Coward 32057798 I saw you post this earlier and I ignored it like a true ass... thanks again, talk to you later. |

Anonymous Coward User ID: 32057798 Canada 01/17/2013 11:37 PM Report Abusive Post Report Copyright Violation | |

Anonymous Astrophysicist User ID: 1242316 United States 01/17/2013 11:44 PM Report Abusive Post Report Copyright Violation | The solution to the orignal question is easy and straighforward using basic rules established for solving such equations. When numbers are enclosed in parenthesis, this is the mathematical equivelevnt of saying the operation the the parentheseis must first be solved bfor one can continue. The result , since it is in parenthesis, must be multiplied by whatever modifier comes before or after it. using these basic rules the equation is solved as follows: 6/2(1+2)=X 6/2(3)=X 3(3)=9 X=9 Anyone who argues against this being the correct answer is simply an idiot. This is 5th or 6th grade stuff. |

Anonymous Astrophysicist User ID: 1242316 United States 01/17/2013 11:46 PM Report Abusive Post Report Copyright Violation | |

Anonymous Astrophysicist User ID: 1242316 United States 01/17/2013 11:54 PM Report Abusive Post Report Copyright Violation | [link to www.basic-mathematics.com] Quoting: Copy and paste it into this math solver webpage. See what the computer tells you the answer is. 6÷2(1+2)=y You could sub all of these for variables: 6÷2*(1+2)=y You always do bracket first (that IS the rules). Thus it becomes: 6÷2*(3)=y 6÷2*3=y I think we can all agree on that. OK............. Now let's sub these with some variables: 6÷2*3=y n will now mean 3: 6÷2*n=y Which becomes: 6÷2n=y Let's rearrange to put all variable on one side. 6=2ny Now let's solve for ny 6÷2=ny 3=ny Now let's swap n back with a 3. 3=3y Now let's solve for y. 3=3y 3÷3=y 1=y I still get my same answer (because I followed the proper math-rules). Anonymous Coward 18119934 You're fucking idiot because there are no variables in the equation. Please stay in canada, we already have our share of retards |

Anonymous Coward User ID: 7803284 United States 01/18/2013 12:05 AM Report Abusive Post Report Copyright Violation | |

Anonymous Coward User ID: 31557420 United States 01/18/2013 12:06 AM Report Abusive Post Report Copyright Violation | |

DUCM900User ID: 32475253 Italy 01/18/2013 03:39 AM Report Abusive Post Report Copyright Violation | And the only way to removing parentheses (on green block), Quoting: is to resolve the whole block first itself:6/2(1+2) = xyou can't remove it just after resolving the inside stuff only. That's the bottom line of all. Or are you thinking parentheses are there just for stupid design purpose thing or something? . DUCM900 6/2(1+2) = x --or-->> 6/((2)¹+(2)²) = x --or-->> 6/((2)¹+(2)¹+(2)¹) = xLast Edited by IWASTHERE on 01/18/2013 05:46 AM |

GB Packer Babe User ID: 15071850 United States 01/18/2013 04:03 AM Report Abusive Post Report Copyright Violation | |

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