Réponses

2013-06-03T20:00:48+02:00
1) (3/4)*(2/3)=1/2

2) (1/4)+(1/2)+x=1
x=1-(1/4)-(1/2)=1/4

3) 2008: 148*1/4=37 ares
2009: (148-37)*2/3=111*2/3=222/3=74 ares