Images 4X4 12X2Y 9Y2

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4x4 12x2y 9y2. X 2y 7 2y2 XY 14. Y=x2+2xy-y2/2x2-2xy. Система x+y+2=0. (X-7)(Х-1)(2+Х)+).
X 2y 7 2y2 XY 14. Y=x2+2xy-y2/2x2-2xy. Система x+y+2=0. (X-7)(Х-1)(2+Х)+).

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