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#1 2012-01-27 05:24:47

juantheron
Member
Registered: 2011-10-19
Posts: 312

3 digit no.

a Three digit no. is formed Using The Digit 1 to 9. Then total no. in which middle Digit is the arithmetic Mean of 1digit  and 3 digit

Last edited by juantheron (2012-01-27 06:15:54)

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#2 2012-01-27 05:48:16

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 3 digit no.

Hi juantheron;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#3 2012-01-27 06:16:29

juantheron
Member
Registered: 2011-10-19
Posts: 312

Re: 3 digit no.

thanks bobbym would you like to explain it

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#4 2012-01-27 06:21:41

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 3 digit no.

Hi juantheron;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#5 2012-01-27 07:43:34

juantheron
Member
Registered: 2011-10-19
Posts: 312

Re: 3 digit no.

thanks bobbym got it

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#6 2012-01-27 08:04:01

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 3 digit no.

Hi juantheron;

Wasn't very technical but it is how I solved it.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#7 2012-04-28 17:27:20

gAr
Member
Registered: 2011-01-09
Posts: 3,482

Re: 3 digit no.

Hi,


"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

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#8 2012-04-28 23:23:38

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: 3 digit no.

That is a nice solution,gAr. And it can be easily generalized.


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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