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| 48�2(9+3) = ??? |
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Slowmotion
Joined: 15 Aug 2009
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 Posted: Sun Apr 10, 2011 8:06 am Post subject: 48�2(9+3) = ??? |
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A trending topic on the internet. Let's start one on this board as well.
48�2(9+3) = ??? |
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rumdiary
Joined: 05 Jun 2006
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| Posted: Sun Apr 10, 2011 10:37 am Post subject: |
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interestedinhanguk
Joined: 23 Aug 2010
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| Posted: Sun Apr 10, 2011 2:39 pm Post subject: |
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288
Order of Operations
PEMDAS
48�2(9+3)
Parentheses, Do whats INSIDE the parentheses first (9+3)=12
48�2(12)
Rewrite it as
48�2*12 (same thing)
Now just work left to right as multiplication and division have the same priority
First step is divide 48 by 2
24*12
Just multiply
288 |
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methdxman
Joined: 14 Sep 2010
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| Posted: Sun Apr 10, 2011 5:04 pm Post subject: Re: 48�2(9+3) = ??? |
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| Slowmotion wrote: |
A trending topic on the internet. Let's start one on this board as well.
48�2(9+3) = ??? |
288...
the (9+3) portion is in the numerator not in the denominator. I can see why people would get confused and do the 2*(9+3) operation in the denominator... |
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Dimitris Stylianos
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Joined: 05 Jul 2008
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