Réponses

2013-03-01T17:10:05+01:00

D = (2/4+3/4)/35/-16=5/4x(-16/35)=-80/140=4/7

Meilleure réponse !
2013-03-01T17:12:18+01:00

D = (1/2 + 3/4 ) / 35/-16

 

D = (5/4) X -16/35

 

D = (5X-16) / (4X35)

 

D = (-80) / 140

 

D = - 40/70

 

D = - 4/7 !!

 

Voila!