👤

a=(18^5×18^9:18^11)^4:3^12

Răspuns :

a = ( 18⁵ × 18⁹ : 18¹¹ )⁴ : 3¹² =

a = ( 18⁵⁺⁹⁻¹¹)⁴ : 3¹²

a = ( 18¹⁴⁻¹¹)⁴ : 3¹²

a = ( 18³)⁴ : 3¹²

a = 18³ˣ⁴ : 3¹²

a = 18¹² : 3¹²

a = 6¹²