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Ajutor!
㏒₅30-㏒₂₅36=


Răspuns :


[tex] log_{5}(30) - log_{25}(36) \\ log_{5}(30) - log_{5 {}^{2} }(6 {}^{2} ) \\ log_{5}(30) - log_{5}(6 )\\ log_{5}( \frac{30}{6} ) \\ log_{5}(5) = 1[/tex]