a/b reprezentat ca fractie zecimala

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nedelea_mariusdaniel
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a/b reprezentat ca fractie zecimala

Post by nedelea_mariusdaniel »

Fie \( (a,b)=1 \). Sa se arate ca numerele \( \frac{a}{b} \) reprezinta o fractie zecimala periodica simpla daca siu numai daca \( (b,10)=1 \).
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