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A Perplexing Expression (Posted on 2005-10-14) Difficulty: 3 of 5
Using only math symbols (no functions like sin, cos, log, etc.) create an expression with only two 2s equal to 5 (no other digits or constants).

  Submitted by Brian Smith    
Rating: 3.5000 (6 votes)
Solution: (Hide)
sqrt(.2^(-2)) = 5

Comments: ( You must be logged in to post comments.)
  Subject Author Date
AnswerK Sengupta2008-02-26 05:54:03
re: here's oneLeonidas2005-10-17 19:38:29
re: my solution using only math symbols - (did you mean math operators?)Leonidas2005-10-17 19:36:13
Solutionhere's oneJosh706792005-10-15 23:39:17
so again--the rulesCharlie2005-10-15 15:21:50
"+" is a function? IIpcbouhid2005-10-15 14:55:46
"+" is a function?pcbouhid2005-10-15 14:48:23
Solutionhere is my solutionben2005-10-15 04:17:36
Solutionmy solution using only math symbols - (did you mean math operators?)tanx2005-10-15 00:00:45
Best functions?Gamer2005-10-14 23:21:57
re(4): perhaps? -- spoiler perhaps.Charlie2005-10-14 21:22:16
Solutionspoiler - no functions, no letters, no constantspcbouhid2005-10-14 21:16:24
re(3): perhaps? -- spoiler perhaps.Ben Bateman2005-10-14 21:13:04
re(2): perhaps? -- spoiler perhaps.Charlie2005-10-14 21:10:53
to Gamerpcbouhid2005-10-14 21:07:44
re: perhaps?derek2005-10-14 19:41:37
Some Thoughtsperhaps?derek2005-10-14 19:40:42
Reaching, perhapsbernie2005-10-14 18:43:58
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