Giải hệ
$\left\{\begin{matrix} a^3(1-a)+b^3(1-b)=12ab+8 & & \\ \left | 3a-2b+10 \right |+\left | 2a-3b \right |=10& & \end{matrix}\right.$
Edited by pndpnd, 11-03-2016 - 10:13.
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