Répondre :

Doe
5► 1/5
-4►1/+4
0.8►1/0.8
-0.01►1/-0.01
5 inverse 1/5=0.2
-4 inverse -1/4= -0.25
0.8 inverse 1/0.8=1.25
-0.01=-10^-2 inverse -1/10^-2=-10^2 = -100