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Misterious3
a fost răspuns

Transformati fractiile zecimale eriodice in fracii ordinare ireductibile: 2,(54) ; 31,18(45)
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Răspuns :

Renatemambouko
2,(54)=(254-2)/99=252/99=28/11

31,18(45)=(311845-3118)/9900=308727/9900=102909/3300=34303/1100