Réponses

2013-10-23T18:43:03+02:00
Case 1
-11 -9 -2
-17 -4 -21
-6 -13 -19

case 2
1.6 -22.2 -20.6
-2.8 -5.4 -8.2
-4.4 -16.8 -12.4

case 3
12 36 -3
-24 6 -18
-12 -18 -6