Images 2X 2Y

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2x 2y. X^2+Y^2=Z^2 фигура. Z 2 X 2 Y 2 график. X^2-Z^2. Z X 2 Y 2 график.
X^2+Y^2=Z^2 фигура. Z 2 X 2 Y 2 график. X^2-Z^2. Z X 2 Y 2 график.

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