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Please!!!

Este urgent!!!


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Răspuns :

[tex]\frac{2^{13}}{8^7}=\frac{2^{13}}{(2^3)^7}=\frac{2^{13}}{2^{21}}=\frac{1}{2^8} \\ \\ \frac{4^6}{16^5}=\frac{(2^2)^6}{(2^4)^5}=\frac{2^{12}}{2^{20}}=\frac{1}{2^8}[/tex]
Am ajuns la ambele la [tex]\frac{1}{2^8}[/tex] deci sunt echivalente