Images Z 4 X Y

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Z 4 x y. X^2-2x+y^2+4y+z^2=11. X/Y/Z равно. X2/16+y2/9+z2/196=1. (-2x^2)⋅(-XY)+(-2x^2)⋅3x^2.
X^2-2x+y^2+4y+z^2=11. X/Y/Z равно. X2/16+y2/9+z2/196=1. (-2x^2)⋅(-XY)+(-2x^2)⋅3x^2.

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