Images Z 2X 2Y

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Z 2x 2y. R2y2. X2+y2=r2 цилиндр. Цилиндр x^2+y^2=2x. R^2=X^2+Y^2r 2 =x 2 +y 2 ..
R2y2. X2+y2=r2 цилиндр. Цилиндр x^2+y^2=2x. R^2=X^2+Y^2r 2 =x 2 +y 2 ..

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