Réponses

  • Utilisateur Brainly
2014-05-19T17:52:12+02:00
9x/2 = 27/4

9x*4 = 27*2

36x = 54

x = 54/36  = 3/2

(9x/2-27/4)²= 0

(9*3)/2]/2 - 27/4)² = 0

(27/2)/2 - 27/4)² =0

(27/4-27/4)² = 0