Réponse :

Exercice 1 :

a. A (4)

B (-4)

C (-1)

D (2,5)

b. A (0.5)

B (-0.5)

C (-0.1)

D (0.25)

c. A (-1.75)

B (-4)

C (-3.25)

D (-2.25)

Exercice 2 :

-0.35 < -0.3 < -0.25 < -0.08 < 0.3 < 0.45 < 0.8