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Transformati fractiile zecimale 3,1(23) si 3,1(2) in fractii ordinare

Răspuns :

3,1(23) = (3123- 31 )/ 990 = 3092/990
3,1(2) = (312 - 31) / 90 =281/90
3,1(23)=3123-31/990=3092/990
3,1(2)=312-31/90=281/90