Réponses

2013-11-20T15:45:11+01:00
7/3 = 7x8/3x8 = 56/24

3/8 = 3x3/8x3 = 9/24

5/6 = 5x4/6x4 = 20/24

9/4 = 9x6/4x6 = 54/24