bonjour
E = 5 ³ * 7 ⁴
F = 5 ² x 7 ⁴ / 5 ³ x 7 ²
F = 5 ⁻¹ / 7 ²
G = 2 x 7 x 5 ² x 7 x 2 x 7 x 5 x 7² x 2² x 7 x 2
G = 2 ⁵ x 5 ³ x 7 ⁶
H = 2 x 5 x 5 x 7 x 2³ x 5 ³ x 2² x 7 x 2 sur 7 x 2⁵ x 5 x 5 ² x 7 x 2 x 2² x 7
H = 2 ⁷ x 5 ⁵ x 7 ² sur 2 ⁸ x 5 ³ x 7 ³
H = 2 ⁻¹ x 5 ² x 7 ⁻¹