Répondre :
bonjour
1) e² + e⁵ = e⁷ faux
c'est e² x e⁵ = e⁷
2) e¹²/e⁶ = e² faux
e¹² / e⁶ = e¹²⁻⁶ = e⁶
3) (e⁻³)² x e⁴/e³ = e⁻⁵ vrai
(e⁻³)² x e⁴/e³ =
e⁻³*² x e⁴⁻³ =
e⁻⁶ x e¹ =
e⁻⁶⁺¹ =
e⁻⁵
bonjour
1) e² + e⁵ = e⁷ faux
c'est e² x e⁵ = e⁷
2) e¹²/e⁶ = e² faux
e¹² / e⁶ = e¹²⁻⁶ = e⁶
3) (e⁻³)² x e⁴/e³ = e⁻⁵ vrai
(e⁻³)² x e⁴/e³ =
e⁻³*² x e⁴⁻³ =
e⁻⁶ x e¹ =
e⁻⁶⁺¹ =
e⁻⁵