Réponses

2014-04-27T11:48:44+02:00
C = 3V(72) - 5V(2)
= 3V(8*9) - 5V(2)
= 3V(4*2*3²) - 5V(2)
= 3*3*2V2 - 5V2
= 18V2 - 5V2
= 13 V2