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Tough Puzzle (part 3) (Posted on 2007-08-23) Difficulty: 4 of 5
As you know from Tough Puzzle Part 1 and Tough Puzzle Part 2 TOUGH+TOUGH=PUZZLE,
and TOUGH+TOUGH+TOUGH+TOUGH=PUZZLE have valid solutions.

Besides these three, there are several other valid ones. How many of them can you find? What is the greatest number of times that TOUGH can be added to make PUZZLE?

This problem was suggested by Brian Smith and endorsed by Jer, whom I wish to thank.

See The Solution Submitted by Josie Faulkner    
Rating: 4.3333 (6 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: computer solution - worked out in my headjduval2007-08-24 05:22:36
re: computer solutionJosie Faulkner2007-08-23 14:10:00
Solutioncomputer solutionCharlie2007-08-23 11:16:52
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