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A digital arrangement (Posted on 2005-06-30) Difficulty: 3 of 5
Without using any arithmetical symbols (+, -, *, /, or similar; other math symbols; decimal comma or periods; letters; even parentheses) or, in short, anything but the digits, build a number with the digits 1, 3, 5, 7 and 9, that is equal to a number built with the digits 2, 4, 6 and 8 (each digit used once and only once).

Note: This is not a trick. It was extracted from a book edited by Angela Dunn, a mathematician who gathered problems that appeared in many scientific periodical revues!

See The Solution Submitted by pcbouhid    
Rating: 3.2857 (7 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Hints/Tipsre: A slight modificationAdy TZIDON2016-10-16 14:29:05
Some ThoughtsA slight modificationLarry2009-05-17 22:40:54
Could I ask for more ?pcbouhid2005-07-11 23:16:50
re: Avoiding the big digit trickpcbouhid2005-07-11 22:41:25
SolutionAvoiding the big digit trickowl2005-07-11 21:34:06
re: What about this attempt!?owl2005-07-11 21:08:33
re: What about this attempt!?pcbouhid2005-07-08 15:09:17
What about this attempt!?Lisa2005-07-08 13:29:58
re: Try a notation structureCharlie2005-07-02 04:36:09
re: Try a notation structurepcbouhid2005-07-01 15:19:06
Try a notation structurebrianjn2005-07-01 14:25:12
re: Different Approachpcbouhid2005-07-01 13:28:54
SolutionDifferent ApproachLisa2005-07-01 08:41:35
Some ThoughtsideaKen Haley2005-07-01 04:16:39
re: Not a trick?pcbouhid2005-06-30 23:13:03
re: Not a trick?pcbouhid2005-06-30 23:03:03
Not a trick?Richard2005-06-30 22:36:04
re(2): A solution and questionpcbouhid2005-06-30 21:00:10
re: A solution and questionCharlie2005-06-30 20:40:36
SolutionA solution and questionowl2005-06-30 19:22:18
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