Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
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# Problem C. 1353. (April 2016)

C. 1353. Find the integers solutions of the equation $\displaystyle x^2-xy+y^2=7$.

Proposed by B. Kovács, Szatmárnémeti

(5 pont)

Deadline expired on May 10, 2016.

### Statistics:

 141 students sent a solution. 5 points: 75 students. 4 points: 20 students. 3 points: 14 students. 2 points: 5 students. 1 point: 14 students. 0 point: 13 students.

Problems in Mathematics of KöMaL, April 2016