Mathematical and Physical Journal
for High Schools
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Problem K. 475. (November 2015)

K. 475. In the fields in the table (see the figure), enter the integers 1 to 15 so that the sum of the two numbers in any two adjacent field is a perfect square.

(6 pont)

Deadline expired on December 10, 2015.


Statistics:

159 students sent a solution.
6 points:95 students.
5 points:23 students.
4 points:17 students.
3 points:17 students.
0 point:5 students.
Unfair, not evaluated:2 solutions.

Problems in Mathematics of KöMaL, November 2015