Réponses

2014-10-27T12:25:53+01:00
/=barre de fraction

A=11/6-5/4 / 5/2-7/6
A=44/24-30/24 / 30/12-14/12
A=14/24 / 16/12
A=14/24 / 32/24
A=333/768
A=7/16