Réponses

2013-05-02T11:45:58+02:00

1) B= 17.5
C= 23.7

2) H= 12+3-6-12

H= -3

I= 15-12+6-12
I= -3

J= -3-12-15-4+9

J= -25

3) 1525a = 15.25ha
2500m² = 25a