Images Z X2

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Z x2. X^2+Y^2=Z^2. Конус z sqrt x 2+y 2. Корень x^2+y^2+z^2. Z X 2+Y 2.
X^2+Y^2=Z^2. Конус z sqrt x 2+y 2. Корень x^2+y^2+z^2. Z X 2+Y 2.