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dau coroana*
1)daca x/y =0,2(6 ) ,atunci y/x scris ca fractie ordinara ireductibila este ..



Răspuns :

[tex]\dfrac{x}{y}= 0,2(6) \Rightarrow \dfrac{x}{y}= \dfrac{26-2}{90} \Rightarrow \dfrac{x}{y}= \dfrac{24}{90} \Rightarrow \dfrac{x}{y} = \dfrac{12}{45} \Big{|}^{(-1)} \Rightarrow \\ \\ \Rightarrow \dfrac{y}{x} = \dfrac{45}{12} [/tex]