Réponses

2013-05-02T18:32:14+02:00
A) 2/3=6/9 donc 2/3>5/9
b) 1/4=3/12 donc 1/4<5/12
c) 5/9>5/12
d) 2/3>5/9>5/12>1/4 donc 2/3>1/4
2013-05-02T18:37:15+02:00