Réponses

2014-09-24T18:43:48+02:00
Bonsoir

A = 5√2 + 3√2 - 4√2 = 4√2

B = 11√3 - 2√3 + 3√3 = 12√3

c = -2√5

D = 3√11 -3√11 = 0