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[(3^7)^5*3^4]/3^37=[3^35*3^4]/3^37=3^39/3^37=3^2=9
(3a*9^2)/3^5=27
(3a*3^4)/3^5=27
3a/3^-1=27
3a*1/3=27
a=27
(27^4)^3 = 27^12
Zadanie 2
(3^7)^5 x 3^4 3^35 x 3^4 3^39
-------------------- = ------------------- = ------------ = 3^39 : 3^37 = 3^2
3^37 3^37 3^37
Zadanie 3
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