Réponses

2014-10-27T18:09:49+01:00
A = 1/3 - 3/4 : 5/6 + 2/5 * 4/3
A = 1/3 - 18/20 + 8/15
A = 10/30 - 27/30 + 16/30
A = - 17/30 + 16/30
A = - 1/30