(0,5)^-4=(5/10)^-4=(1/2)^-4=(2/1)^4=2^4= 2^4*81=2^4*3^4=6^4 sgrt5(216)=216^(1/5)=(6³)^(1/5)=6^(3/5) toz mamy 6^4/6^(3/5)=6^(4-3/5)=6^(3 2/5) Odpowiedz 6^(3 2/5)