Photos Y 2X2 4X

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Y 2x2 4x. 2x-2y/x^2-y^2. Y=x2. Y=X^2 И Y=2x^2. X^2+Y^2=A^2.
2x-2y/x^2-y^2. Y=x2. Y=X^2 И Y=2x^2. X^2+Y^2=A^2.

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