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#781052 - 09/05/12 01:05 AM Re: 62(1+2)=? [Re: Tina - Living Simply]  
Joined: Jan 2009
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Beetlemess Offline
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Beetlemess  Offline
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Time I dust off this thread & provide the answer as derived by two college math professors (One is a very close frind of mine & a retired Math PhD) er.jacob89 breaks it down above by doing the parened operation first...

*E*: left to right is the precedence for mult/div 6�2*3. Correct answer is 3*3 or 9.
*G*: Brad - *E* stated it correctly (no big surprise to either *E* or me). Math follows certain conventions and the left to right is one of them. I learned it (way back when) as : Add or multiply or divide, then add or subtract. In case of a tie go left to right. The Please Excuse My Dear Aunt Sally tells you to do what is in the parentheses first, then exponents then multiply or divide, then add or subtract (in case of a tie go left to right).

I'll now rest my case with an answer of NINE (9)


-B-
"We do not inherit the Earth from our ancestors,
we borrow it from our children."
#781055 - 09/05/12 01:12 AM Re: 62(1+2)=? [Re: Tina - Living Simply]  
Joined: Nov 2007
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Phyllis Doyle Burns Offline
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I so agree! Good job, Beetle. You have settled it once and for all. Yeaaaaah!!!!


Walk in Peace and Harmony.
Phyllis Doyle Burns
Avatar: Fair Helena by Rackham, Public Domain
#791780 - 11/08/12 02:34 AM Re: 62(1+2)=? [Re: Tina - Living Simply]  
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Lisan Offline
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Lisan  Offline
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Agree with Beetlemess:)

#791790 - 11/08/12 03:17 AM Re: 62(1+2)=? [Re: Tina - Living Simply]  
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Connie - ADD/Sandwiches/Reading Offline
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Connie - ADD/Sandwiches/Reading  Offline
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Beetle, that's how I teach it. Your explanation a long time ago was brilliant. That's when I started reading your posts; it was so elegantly written.


Connie Mistler Davidson-Editor-ADD/Sandwiches/Reading
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#791829 - 11/08/12 04:56 PM Re: 62(1+2)=? [Re: Tina - Living Simply]  
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Beetlemess Offline
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Beetlemess  Offline
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Hallejuah!


-B-
"We do not inherit the Earth from our ancestors,
we borrow it from our children."
#791851 - 11/08/12 05:42 PM Re: 62(1+2)=? [Re: Tina - Living Simply]  
Joined: Nov 2007
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Phyllis Doyle Burns Offline
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Phyllis Doyle Burns  Offline
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Reno, NV
wooooo hoooo!!!! smile I always had faith in you, Beetle. smile


Walk in Peace and Harmony.
Phyllis Doyle Burns
Avatar: Fair Helena by Rackham, Public Domain
#794716 - 11/30/12 01:28 PM Re: 62(1+2)=? [Re: Lisa - Fiction Writing]  
Joined: Aug 2012
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Sam friend Offline
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Sam friend  Offline
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[quote=Lisa - Fiction Writing]The correct answer is 1. The second way you worked out the equation was correct, Beetle. [/quote] Yes It is As the ( have most prior then multiplication , then Division .

#794722 - 11/30/12 03:50 PM Re: 62(1+2)=? [Re: Tina - Living Simply]  
Joined: Jan 2009
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Beetlemess Offline
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Beetlemess  Offline
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Fully agree that the parened (1+2) operation is to be handled initially.
Yet, Multiplication does not have a priority over Division and are conducted mutually in left-to-right ordered process, before any Addition/Subtraction... as Division is merely multiplication of the value's inverse.


-B-
"We do not inherit the Earth from our ancestors,
we borrow it from our children."
#794726 - 11/30/12 04:11 PM Re: 62(1+2)=? [Re: Tina - Living Simply]  
Joined: Sep 2011
Posts: 1,855
Burt B. Offline
Chipmunk
Burt B.  Offline
Chipmunk

Joined: Sep 2011
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6


two cat you na versity
#794727 - 11/30/12 04:12 PM Re: 62(1+2)=? [Re: Tina - Living Simply]  
Joined: Sep 2011
Posts: 1,855
Burt B. Offline
Chipmunk
Burt B.  Offline
Chipmunk

Joined: Sep 2011
Posts: 1,855
9 sorry
my bad


two cat you na versity
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