Réponses

  • Utilisateur Brainly
2014-03-30T18:43:21+02:00
calculer 3 quiart de  60 minutes de 3 maniere differents.

3/4*60=(3*60)/4=180/4=45 min
3/4*60=3*(60/4)=3*15=45 min
3/4*60=0,75*60=45 min
2014-03-30T18:43:33+02:00
Bonsoir

3/4 de 60 minutes
60 x 3/4 = 45 minutes

4/4 - 1/4 = 3/4
60 - 15 = 45 minutes

( 60 : 4) x 3 = 45 minutes