Concurs "Teodor Topan" - problema 2

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maky
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Concurs "Teodor Topan" - problema 2

Post by maky »

Comparati numerele \( a=2^{2008}+2^{2007}-2^{2006} \) si \( b=3^{2007}-3^{2006} \)

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marius00
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Post by marius00 »

\(
\[
\begin{array}{l}
b = 2 \cdot 3^{2006};\ b = 2 \cdot 3^3 \cdot 3^{2003};\ b = 54 \cdot 3^{2003} \\
a = 5 \cdot 2^{2006};\ a = 5 \cdot 2^3 \cdot 2^{2003};\ a = 40 \cdot 2^{2003} \\
\end{array}
\]
\)
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