Bonjour,
1.a.
Somme -> x+x+x+4+5 = 3x+9
b.
Produit -> 3(x+3)
2.a.
2.5*(6-y)
2.5*6-2.5*y
=15-2.5y
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Bonjour,
1.a.
Somme -> x+x+x+4+5 = 3x+9
b.
Produit -> 3(x+3)
2.a.
2.5*(6-y)
b.
2.5*6-2.5*y
=15-2.5y