Bonsoir
C = 2 ³ x 2 ⁻³ x 2 ⁴ = 2 ⁴
D = ( 2 ³)² x 6 ⁶ = 2 ⁶ x 6 ⁶ = 12 ⁶
E = 3 ⁷ /15 ⁷ x 15 / 27 ²
= 3 ⁷ / 15 ⁷ x 15 / 3¹⁸
= 3 ⁻¹¹ / 15 ⁻⁶
