Răspuns:
Explicație pas cu pas:
a)
[3⁴ × (-9)⁴ ]² : 27⁷ =
[3⁴ × 9⁴ ]² : (3³)⁷ =
[3⁴ × (3²)⁴ ]² : 3³ˣ⁷ =
(3⁴ × 3²ˣ⁴)² : 3²¹ =
(3⁴ × 3⁸)² : 3²¹ =
(3⁴⁺⁸)² : 3²¹ =
(3¹²)² : 3²¹ =
3¹²ˣ² : 3²¹ =
3²⁴ : 3²¹ =
3²⁴⁻²¹ =
================
b)
[-4³ × 2⁵]⁶ : (-2)¹⁰ =
[-(2²)³ × 2⁵]⁶ : 2¹⁰ =
[-2²ˣ³ × 2⁵]⁶ : 2¹⁰ =
[-2⁶ × 2⁵]⁶ : 2¹⁰ =
(-2⁶⁺⁵)⁶ : 2¹⁰ =
(-2¹¹)⁶ : 2¹⁰ =
(2¹¹)⁶ : 2¹⁰ =
2¹¹ˣ⁶ : 2¹⁰ =
2⁶⁶ : 2¹⁰ =
2⁶⁶⁻¹⁰ =
==pav38==