Réponses

2012-09-15T22:24:55+02:00

-7/9-2/15=-105/135-14/135=-119/135

-3/14 x (-7/8) x (-4/9)=21/112x(-4/9)=-84x1008=-42/504=-21x252=-7/84

5/6 : (-25/18)=5/6x(-18/25)=-3/5

Voila bonne soirée

By Vetteliste