Réponse :
bonjour
A = ( - 2 )⁴ x ( -2 ) ³
A = ( -2) ⁷
B = 5 ⁶ : 5 ⁹
B = 5 ⁻³
C = (3 ⁻²) ⁻⁴
C = 3 ⁸
D = 2 ⁻³ x ( - 4) ⁻³
D = - 8 ⁻³
E = 7 ¹ : 7 ⁻⁶
E = 7 ⁷
F = 27 x 3 ⁷
F = 3³ x 3 ⁷
F = 3 ¹⁰
G = (12 ⁵ x 12 ⁻⁸ ) : ( 4 ⁻¹)³
G = 12⁻³ : 4 ⁻³
G = 3 ⁰ = 1
H = 4 ⁷ x 5 ⁷ : 20 ⁻⁹
H = 20 ⁷ : 20 ⁻⁹
H = 20 ¹⁶
Explications étape par étape