a) (2⁴ ) ⁷ - 2²⁸ =2²⁸ - 2²⁸ = 0
b) (3 ⁵ ) ⁴ : 3¹⁹ = 3 ²⁰ ⁻ ¹⁹ = 3 ¹ = 3
c)(5 ⁸ )⁷ : (5 ⁸ )⁷ : 5²⁶⁵ = 5 ⁵⁶ ⁻ ⁵⁶ ⁻ ²⁶⁵= 5 ⁻ ²⁶⁵
d) (7⁷ )⁷ : (7⁷⁷ : 7 ³⁵ ) = 7 ⁴⁹ : 7⁷⁷ ⁻³⁵ = 7⁴⁹ : 7⁴² = 7 ⁴⁹⁻ ⁴² = 7 ⁷
e) ( 13 ⁸ )¹³ : (13 ²⁶ )⁴ = 13¹⁰⁴ : 13¹⁰⁴ = 13 ¹⁰⁴ ⁻¹⁰⁴ = 13⁰ = 1
²
f) (7¹³ ) : (7⁴² )⁴ = 7 ¹⁶⁹ : 7 ¹⁶⁸ = 7 ¹⁶⁹ ⁻ ¹⁶⁸ = 7 ¹ =7
g) 2 ⁴⁹ : (2 ⁴⁸ ) = 2⁴⁹ ⁻ ⁴⁸ = 2 ¹ =2
h) 3¹⁶ : 3¹² = 3 ¹⁶⁻ ¹² = 3 ⁴ = 81