Bonjours pouvez vous me donner les reponces : 7/5 - 3/5 x 4/21 ??? C'est des fraction merci !!
7/5-3/5x4/21
=7/5-3/5x4/7
=7/5-12/35
=49/35-12/35
=37/35
Voila bonne journée
By Vetteliste
7/5- 12/105 = 7/5- (12/3)/(105/3) = 7/5-4/35 = (7x7)/(5x7) - 4/35 = 49/35 - 4/35 = 45/35 = (45/5)/(35/5) = 9/7