Réponses

2014-09-14T16:53:27+02:00

Bonjour

A = 3- (2/3) : (4/3 x 7) 

A = 7/3 : 28/3

A = 7/3 x 3/28

A = 7/28

A = 1/4

  • Utilisateur Brainly
2014-09-14T16:55:35+02:00
(3 - 2/3) : (4/3 x 7)
= (9/3 - 2/3) : (28/3)
= 7/3 x 3/28
= 7/28
= 1/4