Ajutor la b
,dau funda
![Ajutor La B Dau Funda class=](https://ro-static.z-dn.net/files/d37/53930ddf56f377cac86f50c74ef8ac5a.jpg)
Explicație pas cu pas:
( 5³ )¹⁴ : 5³⁹ : 5 - 4² =
= 5³ˣ¹⁴ : 5³⁹ : 5 - 4²
= 5⁴² : 5³⁹ : 5 - 4²
= 5⁴²⁻³⁹ : 5 - 4²
= 5³ : 5 - 4²
= 5³⁻¹ - 4²
= 5² - 4²
= 25 - 16
= 9
b) ( 5^3 ) ^14 : 5^39 : 5 - 4^2
= 5^42 : 5^39 : 5^1 - 4^2
= 5^2 - 4^2
= 25 - 16
= 9 =3^2