Réponses

  • Utilisateur Brainly
2014-02-07T21:02:11+01:00

A = 3V45 + 2V20 - 4V80
A = 3V(9*5) + 2V(4*5) - 4V(16*5)
A = 3V9V5 + 2V4V5 - 4V16V5
A = 3*3V5 + 2*2V5 - 4*4V5
A = 9V5 + 4V5 - 16V5
A = (9+4-16) V5
A = -3 V5

B=V18*V8*V50

B=V9*V2*V4*V2*V50

B=3*2*V(2*50)*V2

B=6*V100*V2

B=6*10*V2

B=60V2