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[tex] \sqrt{15}: \frac{1}{ \sqrt{15} } [/tex][tex]=?[/tex]
[tex] \sqrt{128}: \sqrt{2 ^{6} }=?[/tex]


Răspuns :

[tex] \sqrt{15}: \frac{1}{15}= \sqrt{15}* \sqrt{15}=15 \\ \sqrt{128}: \sqrt{2^6}= \sqrt{2^7}: \sqrt{2^6}= \sqrt{2} [/tex]