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Z y2. X^2+Y^2=Z^2. График функции y^2+x^2=z. X^2+Y^2=Z^2 фигура. Z X 2+Y 2.
X^2+Y^2=Z^2. График функции y^2+x^2=z. X^2+Y^2=Z^2 фигура. Z X 2+Y 2.

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