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Cum se transforma 3,5?

Răspuns :

[tex]3,5 = 3 + \frac{5}{10} = \frac{30 + 5}{10} = \frac{35}{10}^{(5} = \boxed{\frac{7}{2}}[/tex]
3,5 = 35/10 
simplificam cu 5 daca se cere fractie ordinara ireductibila = 7/2