Réponse :
bonsoir
H = 21/55
I = 10/9
J = 14/3
K = - 35 /- 132 = 35/132
L = 2/5 * 3/11 = 6/55
M = 3 x - 2 /5 = - 6 /5
N = - 5/3 * - 1 /7 = 5/21
O = - 7/5 * - 9/2 = 63/10
P = 1/3 * 1/2 = 1 /6
Q = 5 * - 7/3 = - 35 /3
R = ( 25/15 - 6/15 ) : ( - 11/14 )
R = 19/15 x - 14/11 = - 266/165
Explications étape par étape
