Réponse :
A = 2²x 3²x5
= 4 x 9 x 5
= 180
B = 3 x 2³x5
= 3 x 8 x 5
= 120
C = 2 x 3 x 5²
= 2 x 3 x 25
= 6 x 25
= 150
