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06032004 12:20 AM 13 years ago  Post 1 
noname rrVeteran Woodinville, WA  Here's a good one .... did this during college with my gf (now wife). ... Took us about 8 hours to get them all.Using exactly four 4's and any mathematical operations, try to write equations that have the numbers from 0 to 100 as the answer. So for example: 0 = 44  4416 = 4 + 4 + 4 + 4 52 = 44 + 4 + 4 ... and so on !  

06032004 04:00 AM 13 years ago  Post 2 
Hercdriver7777 rrApprentice South Carolina  I have never been that bored..Good Flying!!  

06032004 04:25 AM 13 years ago  Post 3 
Temjin rrApprentice Walnut CA, HsinChu Taiwan  Some number are hard to get...espically the old one
 

06032004 05:02 AM 13 years ago  Post 4 
Chem Geek rrVeteran AL  One is easy, (4x4) / (4x4) =1
 

06032004 06:10 AM 13 years ago  Post 5 
JCadwell rrKey Veteran Richland WA/ Morro Bay, CA  4444=0
 

06032004 06:30 AM 13 years ago  Post 6 
foo rrVeteran Richfield, Minnesota  lolRaptor 30 v2 / OS .32 / JR 8103 / GY401+9253  Raptor 50 V2 / OS .50 Hyper  

06032004 07:25 AM 13 years ago  Post 7 
noname rrVeteran Woodinville, WA  (4!sqrt 4)/.4+sqrt 4 = 57
For the most part, that's as hard as they get. The really difficult ones (without using combination, permutaion, bar, gamma and functions of the sort) are the following: 73, 87, 93!
If you can seriously get those without looking at the answer and without using the above mentioned functions, you're definitely good in math  

06032004 07:54 AM 13 years ago  Post 8 
Drunk Monk rrProfessor Preston, UK  (4X4X4)+(4+4+4/4)=73
Where's the answers?
 

06032004 08:47 AM 13 years ago  Post 9 
JCadwell rrKey Veteran Richland WA/ Morro Bay, CA  The square root should be cheating. You should be able to raise something to a power or take the 4th root, but the square root is just raising something to the 1/2 power. So you couldn't do half of the problems.... :Thanks, John Cadwell  

06032004 08:51 AM 13 years ago  Post 10 
Drunk Monk rrProfessor Preston, UK  I reckon you should be able to take a power since it just saves having to write 4X4X4X4
 

06032004 08:06 PM 13 years ago  Post 11 
noname rrVeteran Woodinville, WA  The rule is you can use any mathematical expression and I don't know if SQRT would qualify as one, or if you'd have to represent it as X ^ (4 / (4 + 4))The square root should be cheating  

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