Bonsoir :
A = 2/5+3/5
A = 5/5
A = 1
B = -11/3+2/3
B = -9/3
B = -3
C = 4/3-10/3
C = -6/3
C = -2
D = -21/10-2/10
D = -23/10
E = 2/11-9/11-15/11
E = 2/11-24/11
E = -22/11
E = -2
F = -7/4+10/4-21/4
F = 3/4-21/4
F = -18/4
F = -9/2
G = -3.5/6+2.3/6-10.8/6
G = -1.2/6-10/6
G = -11.2/6
J’espère t'avoir t'aider