Réponses

2013-03-17T15:47:44+01:00
2013-03-17T15:48:57+01:00

F = 4/3 + 5: 35/3

F = 4/3 + 5* 3/35

F = 4/3 + 15/35

F = 4/3 + 3/7

F = 4*7  /  3*7  +  3*3  / 7*3

F = 28 + 9 /21

F = 37/21