Réponses

2013-11-01T18:38:50+01:00
Ex 1) a) 3-4/7+1/2=3-8-7/14=3-1/14=2/14=1/7
b)5/3/4+1/2= 5/10-4/8=6/8=3/4 4*4/3=20/3
2013-11-01T18:39:26+01:00