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Comparati:
2⁵⁷ si 3³⁸


Răspuns :

[tex]2^5^7=(2^3)^1^9=8^1^9 \\ 3^3^8=(3^2)^1^9=9^1^9 \\ 8\ \textless \ 9 \Rightarrow 8^1^9\ \textless \ 9^1^9 \Rightarrow 2^5^7\ \textless \ 3^3^8[/tex]