25 la puterea 321:125 la puterea 199

Răspuns :

25³²¹:125¹⁹⁹=(5²)³²¹:(5³)¹⁹⁹=5²ˣ³²¹:5³ˣ¹⁹⁹=5⁶⁴²:5⁵⁹⁷=5⁶⁴²⁻⁵⁹⁷=5⁴⁵