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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 points)

This problem is for grade 9 students only.

Deadline expired on 10 December 2015.

Statistics on problem K. 475.
 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

•  Támogatóink: Morgan Stanley