Réponses

2013-04-09T19:38:16+02:00
Exercice 12:
11x32 = 352.
8x3= 24.
352/24. ==> 88/8 ==> 11/1 ==> 1.
Exercice 13:
4x5= 20.
15x4= 60.
20/60. ==> 2/6. ==> 1/3. ;)
2013-04-09T19:39:08+02:00