September 2018 1 11 Report
Rozwiąż równania:
(a) xy − 6 = 2y + 5x dla
x, y ∈ N,
(b) 3xy − 6 = 2y + 5x dla x, y ∈ N,
(c) 1 /x + 1 /y + 1/ z = 2 dla x, y, z ∈ N,
(d) 3y + 4x = 12 + xy dla x, y ∈ Z.

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