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Calculati :
a) (2/3)la puterea 125):(-2/3)la puterea 121
Va rog mult!!!URGENT!!


Răspuns :

=((2/3)la puterea125-121)x(-1)=(2/3)la puterea 4x (-1)=(-16/81)
(2/3) puterea 125 (-2/3) puterea 121 = (-2/3) putera a 4= -16/81