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cum se transforma fractia zecimala 15,(72) in fractie ordinara

Răspuns :

15,(72)=(1572-15)/99=1557/99=173/11
[tex]15,(72)= \frac{1572-15}{99} = \frac{1557}{99} = \frac{519}{33} = \frac{173}{11} [/tex]