👤

(3la put15):21la put 15

Răspuns :

3¹⁵ : 21¹⁵ = 3¹⁵ : ( 3 x 7)¹⁵ = 3¹⁵ : 3¹⁵ x 7¹⁵ = 3⁽¹⁵⁻¹⁵⁾ x 7¹⁵ = 3⁰ x 7¹⁵ = 1 x 7¹⁵ = 7¹⁵