K
kingtiger


may ban co gang giai nhanh ho minh. gap lam roi.
giai bien luan he pt:
[TEX]\left{\begin{x^3=x^2+a}\\{y^3=x^2+a}[/tex]
giai bien luan he pt:
[TEX]\left{\begin{x^3=x^2+a}\\{y^3=x^2+a}[/tex]
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