a)3¹°¹:9 ⁵°=3¹°¹:3¹°°=3¹°¹⁻¹°°=3¹=3
b)(3 ⁵⁷ :9 ²⁵ :3 ¹°):3 ¹⁵=(3 ⁵⁷ :3⁵° :3 ¹°):3 ¹⁵=3⁵⁷⁻⁵°⁻¹°⁻¹⁵=3⁻¹⁸
c)2x4x2 ⁴³ -2 ⁴⁶ +[9 ⁷⁴ : 3 ⁴³ -(3 ¹⁵)⁶]°=2x2²x2 ⁴³ -2 ⁴⁶ +1=2 ¹⁺²⁺⁴³ -2 ⁴⁶ +1=2⁴⁶-2⁴⁶+1=0+1=1
[9 ⁷⁴ : 3 ⁴³ -(3 ¹⁵)⁶]°=1 deoarece orice numar la puterea 0 este egal cu 1
