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Scrieti toate fractiile de forma
[tex]\frac{3x}{20}[/tex] (3x barat)ireductibile.Aceeasi cerinta pentru fractiile de forma [tex]\frac{22}{1x} ; \frac{1x}{24}; \frac{2x}{x4}; \frac{x}{7x}[/tex] (unde este x este barat)




Răspuns :

[tex] \frac{3x}{20} ireductibila[/tex]
x=1,3,7,9⇒31/20,33/20,37/20,39/20

[tex] \frac{22}{1x} ireductibila[/tex]
x=3,5,7,9⇒22/13,22/15,22/17,22/19

[tex] \frac{1x}{24} ireductibila[/tex]
x=1,5,7,9⇒11/24,15/24,17/24,19/24

[tex] \frac{2x}{x4} ireductibila[/tex]
x=1,3,5,7,9⇒21/14,23/34,25/54,27/74,29/94

[tex] \frac{x}{7x} ireductibila[/tex]
x=1,3⇒1/71,3/73