Images A X2 XY Y2 X Y

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A x2 xy y2 x y. X2+XY+y2. X2 XY y2 формула. X2+2xy+y2. X2y-xy2\ XY-x2.
X2+XY+y2. X2 XY y2 формула. X2+2xy+y2. X2y-xy2\ XY-x2.

See also