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Aflati n€ N astfel incat fractia 5 supra 6 sa fie echivalenta cu fractia 105 supra 10 a + 6
PLIZZZ!!


Răspuns :

[tex] \frac{5}{6} = \frac{105}{10a+6} \ \textless \ =\ \textgreater \ 6*105=5(10a+6)\ \textless \ =\ \textgreater \ 630=50a+30 [/tex]
630-30=50a
600=50a
a=600:50
a=12
[tex]\frac{5}{6}=\frac{105}{10a+6}[/tex]
5(10a+6)=105*6
50a+30=630
50a=600
a=12