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**vimal****Member**- Registered: 2010-06-22
- Posts: 7

using each sign at least once 7 7 7 7 7 7 7 7=14

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

vimal wrote:

using each sign at least once 7 7 7 7 7 7 7 7=14

You mean + - * / or just + -. Between each 7?

Maybe something like this:

7 / 7 * 7 - 7 + 7 - 7 + 7 + 7 = 14

**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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**vimal****Member**- Registered: 2010-06-22
- Posts: 7

thnaks bobbym for provide me answer, but u used + sign 3 times and - 2 times though it should be used only once..

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

Okay, I will try to recompute. But I can't guarantee there is an answer. Your problem says at least once, that means 1 or more. Also you have 7 spots for 4 operators so you are going to have to concantenate some sevens. That is also not in the rules you provided.

**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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**vimal****Member**- Registered: 2010-06-22
- Posts: 7

humm.. thats why i have no answer, but we can user ( ) also..

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

Are you sure you have the right problem? I am coming up blank here.

**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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**vimal****Member**- Registered: 2010-06-22
- Posts: 7

bobbym wrote:

Are you sure you have the right problem? I am coming up blank here.

Fill in the blanks using addition, subtraction, multiplication and division signs, using each sign at least once, to make the equation true: 7 7 7 7 7 7 7 7=14.

[unquote]

this is the complete question...

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

Hi;

But the at least once means one or more. Your restriction of just once is probably too strict. Still looking though.

**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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**mathsyperson****Moderator**- Registered: 2005-06-22
- Posts: 4,900

... x (7-7) + 7 + 7

With that ending, you can do whatever you like to the start.

Why did the vector cross the road?

It wanted to be normal.

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**vimal****Member**- Registered: 2010-06-22
- Posts: 7

thanku bobbym..

I got clue from your answer.

Now I can solve it.

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

vimal wrote:

thnaks bobbym for provide me answer, but u used + sign 3 times and - 2 times though it should be used only once..

Would you like to show me! Remember you said no repetitive operators.

**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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**vimal****Member**- Registered: 2010-06-22
- Posts: 7

sorry !!

Whatever u wrote in your first answer that was correct. I could not understand question well, thats why i created problem for me as well as for you. I have written full question to you. Beside that I have no other information. As you wrote we can use sign many time but we have to use atleast one sign.

Tthanks and Regards

Vimal.

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

No problem. And welcome to the forum! There are a lot of solutions with the original rules, mine is just one.

**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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