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161/30:161/20=??????????

Răspuns :

(161/30)*(20/161)=20/30=2/3

impartirea fractiilor!!!

[tex] \frac{161}{30} : \frac{161}{20} = \frac{161}{30} \times \frac{20}{161} = \frac{161 \times 20}{30 \times 161} = \frac{3220}{4830} = \frac{2}{3} [/tex]