bonjour
13⁴ * 13 ⁵ / 13 ² = 13 ⁹ / 13² = 13 ⁷
6 ⁻⁵ / 6 * ( 6⁻²) ³ = 6 ⁻⁵ : 6 ⁻⁵ = 6 ⁰ = 1
1 3. * 1.3 ¹⁰ / ( 1.3² x 1.3 ³) ² = 1.3 * 10 ¹¹ / 1.3 ¹⁰ = 1.3 * 10 ¹
A = - 16/6 = - 8/3
B = 33 /5 * - 25/11 = -15
C = - 7/12 * - 4 /21 = 1/9
D = - 56 /- 280 = 1/5
voilà pour 2
