Exercice 2:
Sélectionne la bonne réponse
:
s
=
a
-a
b
-b
c
-c
p
=
a
-a
b
-b
c
-c
q
=
a
-a
b
-b
c
-c
Le système
a
0 solution
1 solution
2 solutions
3 solutions
4 solutions
5 solutions
6 solutions
