bonjour
A = 7 ⁸ / 7 ¹⁵ = 7 ⁻⁷
B = ( 3/5 ) ⁷ x 5 ⁵ x 3 ⁻⁵ = 3 ⁷ x 5 ⁵ x 3 ⁻⁵ / 5 ⁷ = 3 ² / 5 ⁻²
C = 16 x 2 ⁹ = 2 ⁴ x 2 ⁹ = 2 ¹³
D = 27 ⁶ x 3 ⁷ / 9 ⁸
= ( 3 ³)⁶ x 3 ⁷ / (3²) ⁸
= 3 ¹⁸ x 3 ⁷ / 3 ¹⁶ = 3 ¹¹ / 3 ¹⁶ = 3 ⁻⁵
E = (2²) ⁶ / 2⁴ + 2 / 2 ⁻⁷
E = 2 ¹² /2 ⁴ + 2 ⁻⁶
E = 2 ⁸ + 2 ⁻⁶
voilà pour une partie
