a = (5³)⁵ = 5¹⁵
b = 25⁷ = (5²)⁷ = 5¹⁴
c = 5³’² = 5⁹
d = 5²’³ = 5⁸
Odp: 5²’³, 5³’², 25⁷, (5³)⁵ lub d, c, b, a
