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$=$ $$\frac{\it{1}}{\it{3}}\,\it{(}\,\,\it{x}^{\,\it{3}}$$ $+$

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DOTOANNANG

DOTOANNANG

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  • ĐHV Toán Cao cấp
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Giải phương trình $\lceil$ Diophantine $\rfloor$ sau $\it{:}$

$$\left ( \,\,\frac{\it{x}+ \it{y}+ \it{z}}{\it{3}}\,\, \right )^{\,\it{3}}= \frac{\it{1}}{\it{3}}\,\it{(}\,\,\it{x}^{\,\it{3}}+ \it{y}^{\,\it{3}}+ \it{z}^{\,\it{3}}\,\,\it{)}$$

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Edited by DOTOANNANG, 30-01-2019 - 11:57.






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