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2,1(3) transformat in fractie!

Răspuns :

2,1(3)=(213-21)/90=192/90
[tex]2,1(3)=2 \frac{13-1}{90}= 2\frac{12}{90}= \frac{2*90+12}{90}= \frac{192}{90} =\frac{64}{30}= \frac{32}{15} [/tex]
sper ca te-am ajutat