EXO N - A 5 [Proposed]


  • Math&Maroc

    Soit n2n\geq 2 un entier. On pose en écriture décimal : 1n=0,a1a2\frac{1}{n}=0,a_1a_2\ldots Trouver toutes les valeurs possible de nn si on a n=a1+a2+n=a_1+a_2+\cdots


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