Réponses

2013-09-19T17:54:51+02:00
A= 3 + 4 = 7
B= 2 × 3 - 1 = 6 - 1 = 5
C = 2 × 3 × 4 = 6 × 4 = 24
2013-09-19T17:55:07+02:00