Réponses

2012-09-10T19:45:42+02:00

9/5-3/4*7

 

je suppose que c'est 9/5-(3/4)*7 ?

9/5 - 21/4

36/20 - 105/20

-69/20

 

 

 

2012-09-10T19:45:45+02:00