Vietnamese snake puzzle - Closed
05-21-2015, 05:30 AM
Post: #10
 Gerald H Senior Member Posts: 1,414 Joined: May 2014
RE: Vietnamese snake puzzle - Closed
(05-21-2015 04:04 AM)Gerson W. Barbosa Wrote:  I've found one solution using paper and pencil only, but I'm not pleased with my work. I assumed all intermediate results are integer. This implies c = 1, because 13 is prime. I didn't figure out any other way than atributing values to three variables (i, b and e) and changing them sequentially as they proved to be impossible. It took no more than an hour and a sheet of paper to find the solution, but that would be too much during an examination though.

No spoiler:

a.b.d.e = 120
f.g.h.i = 3024

Factors check out as a possibly good solution.
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