Sagot :
Bonsoir,
a: faux
x+x = 2x
b: faux
5x³ = 5*x*x*x
c: faux
= x³
d: faux
= 3x
e: vrai
5*4 =20
5x*4 = 20x
f: vrai
=2*x*x*x = 2x³
Bonsoir,
a: faux
x+x = 2x
b: faux
5x³ = 5*x*x*x
c: faux
= x³
d: faux
= 3x
e: vrai
5*4 =20
5x*4 = 20x
f: vrai
=2*x*x*x = 2x³