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3^5+3^9+3^2/3^6+3^4+3^2

Răspuns :

[tex]...=\frac{3^2(3^3+3^7+1)}{3^2(3^4+3^2+1}=\\
\\

=\frac{27+2187+1}{81+9+1}=\frac{2215}{91}\approx24,34[/tex]