Réponses

2014-06-02T20:30:59+02:00
A) 2x60= 120/3 = 40
b) 45x4= 180/5 = 36
c) 16x6 = 96/8 = 12
2014-06-02T20:53:26+02:00
A) 2/3*60
  = 2*3*20/ 3
  = 40

b) 4/5*45
   = 4*5*9/5
   = 36

c) 6/8*16
   = 3*2*8*2/8
   = 12