Réponses

2013-03-22T20:40:29+01:00

13/7 = carré+ triangle/7

154/3 = carré + triangle/3

 

13/7 - 154/3 = triangle/7 - triangle/3

39 - 1078 = 3triangle - 7triangle

 

triangle = 1039/4

carré = -141/4

 

En espérant t'avoir aidé.