Réponses

Meilleure réponse !
2013-09-26T18:36:02+02:00
A) 4/5:3/7 = 4x7/5x3 = 28/32
b) 8/5:7/3 = 8x3/5x7 = 24/35
c) 2/-7:1/5 = 2x5/ -7x1 = 10/-7
d) -5/4:3 = -5/4:3/1 = -5x1/4x3 = -5/12
e) 1:1/4 = 4
f) -1:-8 = 0,125