Réponses

2014-03-23T22:04:44+01:00
2014-03-23T22:06:47+01:00
Bonsoir

(-1.25x +4.5 ) ( 0.75x +1).
= - 0,9375 x  - 1.25x + 3.375 + 4.5
= - 0.3125 x  + 7 .875