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#715921 Tìm H^23

Posted by rumhoang on 23-09-2018 - 17:34 in Tài nguyên Olympic toán

H=$\begin{bmatrix} 0 & 18 &0 \\ 18& 0 & 0\\ 0& 0& 18 \end{bmatrix}$

Tìm H^23



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