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#841
May 4 2011 05:35pm
Quote (Panic_Fails_at_Diablo @ May 4 2011 03:32pm)
It's because people don't know how PEMDAS/BEDMAS work rofl. They think you have to do the multiplication before the division.


i feal stupid
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#842
May 4 2011 05:35pm
Quote (Mustang69 @ May 4 2011 06:34pm)
lol.

I do my math differently than most ppl, ive got my gr.12 college/universitly level math, what the teacher taught didnt do shit for me =\ I always had to rethink it and teach my self lol


Same sadly. American public schools are fucking terrible.

Quote (L4d @ May 4 2011 06:35pm)
If one goes by PEMDAS, then the multiplication is done first. I was taught this, but I just now read that I was taught wrong! I read Wikipedia that explained, "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. If PEMDAS is followed without remembering that multiplication and division have the same weight, and addition and subtraction have the same weight. Doing multiplication before division, can give the wrong answer. So can doing addition before subtraction. Some grade school books teach this incorrectly. For example: 6÷2×3 = 9, not 1. 6-2+3 = 7, not 1."
I was taught wrong... :cry:


You were taught right, you are remembering it wrong. You were taught that multiplication and division are weighed the same, but you read the acronym and are like "Oh, multiplication before division!" Just look at both PEMDAS and BEDMAS if you need confirmation. In PEMDAS, multiplication seemingly comes first, but in BEDMAS, division seemingly comes first. It's all about the order in which they appear in the equation.

This post was edited by Panic_Fails_at_Diablo on May 4 2011 05:37pm
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#843
May 4 2011 05:36pm
Quote (et3rnal @ May 4 2011 06:35pm)
it's 9. wolfram told me so. wolfram is never wrong.
The standard order of operations, or precedence, is expressed here:
terms inside parenthesis
exponents and roots
multiplication and division
addition and subtraction

I was not taught this, but this seems to be what is correct.
Quote (Panic_Fails_at_Diablo @ May 4 2011 06:35pm)
Same sadly. American public schools are fucking terrible.

I suppose so...
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#844
May 4 2011 05:37pm
Quote (L4d @ May 4 2011 06:36pm)
I was not taught this, but this seems to be what is correct.
I suppose so...


same here. i answer 1 here and facebook. and was never taught that multiplication and division are equal.
but it does seem to be 9
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#845
May 4 2011 05:39pm
Quote (Panic_Fails_at_Diablo @ May 4 2011 06:35pm)
Same sadly. American public schools are fucking terrible.


Agreed, I was taught this in grade school:

Please Excuse My Dear Aunt Sally

never any other direction, in high school I learned about md/as having the same weight but didn't think about it originally when I answered.

The way the question was wrote, its 9. Peoples interpretation of / makes the commotion.
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#846
May 4 2011 05:40pm
Quote (EnSoR @ May 4 2011 06:39pm)
Agreed, I was taught this in grade school:

Please Excuse My Dear Aunt Sally

never any other direction, in high school I learned about md/as having the same weight but didn't think about it originally when I answered.

The way the question was wrote, its 9. Peoples interpretation of / makes the commotion.


i know it's so sad. i can't believe that public school ever failed me!!! boo hoo
well actually 6/2(1+3) = 12
the / turns 6/2 into a fraction

This post was edited by et3rnal on May 4 2011 05:40pm
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#847
May 4 2011 05:41pm
Quote (EnSoR @ May 4 2011 06:39pm)
Agreed, I was taught this in grade school:

Please Excuse My Dear Aunt Sally

never any other direction, in high school I learned about md/as having the same weight but didn't think about it originally when I answered.

The way the question was wrote, its 9. Peoples interpretation of / makes the commotion.


If you interpret it as the equation states it, it's 1.

1+2 = 3
2*3 = 6
6/6 = 1

But I know what you mean.

/e Well, interpreting it using a shitty teaching of PEMDAS anyway.

This post was edited by Panic_Fails_at_Diablo on May 4 2011 05:42pm
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#848
May 4 2011 05:41pm
Still going?
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#849
May 4 2011 05:41pm
Quote (et3rnal @ May 4 2011 06:40pm)
i know it's so sad. i can't believe that public school ever failed me!!! boo hoo
well actually 6/2(1+3) = 12
the / turns 6/2 into a fraction

It was 6/2(1+2) not 6/2(1+3).
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#850
May 4 2011 05:42pm
Quote (TheFuzzy @ May 4 2011 06:41pm)
Still going?


+ 1 more in here?
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