解方程 x-y+z-w=2 x^2-y^2+z^2-w^2=6 x^3-y^3+z^3-w^3=20 x^4-y^4+z^4-w^4=66

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解方程x-y+z-w=2x^2-y^2+z^2-w^2=6x^3-y^3+z^3-w^3=20x^4-y^4+z^4-w^4=66解方程x-y+z-w=2x^2-y^2+z^2-w^2=6x^3-y^

解方程 x-y+z-w=2 x^2-y^2+z^2-w^2=6 x^3-y^3+z^3-w^3=20 x^4-y^4+z^4-w^4=66
解方程 x-y+z-w=2 x^2-y^2+z^2-w^2=6 x^3-y^3+z^3-w^3=20 x^4-y^4+z^4-w^4=66

解方程 x-y+z-w=2 x^2-y^2+z^2-w^2=6 x^3-y^3+z^3-w^3=20 x^4-y^4+z^4-w^4=66
x^ y^我现在都不知道是什么意思啊!对不起了哈,很尴尬