Question

7supra17la putere5:21supra17la puterea5=?

Answer 1

Răspuns

1/243 ;

Explicație pas cu pas:

(7/17)⁵:(21/17)⁵ = (7⁵/17⁵)x(17⁵/21⁵) = (7⁵/21⁵) = (7/21)⁵ = (1/3)⁵ = 1/3⁵ = 1/243 ;