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cit va fi:
-2 intregi si 1/5 la puterea -3


Răspuns :

[tex](-2 \frac{1}{5} )^{-3}= (\frac{-2*5+1}{5} )^{-3}= (\frac{-9}{2})^{-5}= -\frac{27}{15} 
-2.5+1/2=-11/2=5,5la puterea -3
5,5•5,5•5,5=27,5•5,5=138,5