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toán casio

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#1
trananhduong62

trananhduong62

    Hạ sĩ

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tìm các cặp (a;b;c) biết

   $\overline{dabc}=8^4 +a^4 +b^4 +c^4$


trananhduong62 :icon6:  :icon6:  :icon6:  :ukliam2: GOOD!






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