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#1 2007-10-07 21:35:09

tony123
Member
Registered: 2007-08-03
Posts: 228

3,3,7,7 =24

these four numbers must equal 24          3,3,7,7  you can use  add. sub. mul. div.  each number must only be used once

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#2 2007-10-08 02:51:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 3,3,7,7 =24

tony123,


I think I have already seen the question in this forum before. smile


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#3 2007-10-08 11:49:12

MathsIsFun
Administrator
Registered: 2005-01-21
Posts: 7,711

Re: 3,3,7,7 =24

I seem to recall it, too ... but your solution may be a little wrong, g!


"The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  - Leon M. Lederman

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#4 2007-10-08 13:59:46

Ricky
Moderator
Registered: 2005-12-04
Posts: 3,791

Re: 3,3,7,7 =24

Ganesh did this one while in a head stand.


"In the real world, this would be a problem.  But in mathematics, we can just define a place where this problem doesn't exist.  So we'll go ahead and do that now..."

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#5 2007-10-09 03:18:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 3,3,7,7 =24

Funny big_smile
The solution should have been


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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