Réponses

2014-09-04T18:16:20+02:00
A = (3/5 - 1/2 ) x 5/2
A = (3 x 2 / 5 x 2 - 1 x 5 / 2 x 5) x 5/2
A = (6/10 - 5/10) x 5/2
A = 1/10 x 5/2
A = 5/20
Meilleure réponse !
  • Utilisateur Brainly
2014-09-04T18:17:04+02:00
A = (3/5 - 1/2) x 5/2
A= [(3*2)/(5*2) - (1*5)/(2*5)] x 5/2
A= (6/10 - 5/10) x 5/2
A= 1/10 x 5/2
A= (1*5)/(10*2)
A= 5/20
A= 1/4