Réponses

2014-05-14T20:18:52+02:00
Bonsoir

24/24 -(1/8+1/6+17/130)
24/24 - (780/6240 + 1040/6240 + 816/6240)
24/24 - 2636/6240
24/24 - 659/1560
4225/1560 - 659/1560
3566/1560 = 1783/780