(3 ^1)^3:(3^11×3^19)​

Răspuns :

Răspuns:

(3¹)³:(3¹¹·3¹⁹)=3³ˣ¹:3¹¹⁺¹⁹=3³:3³⁰=3³⁻³⁰=3⁻²⁷=1/3²⁷