4 (x + 7) = a (b + 2) = x (6-x) = 3 (2x + 7) = -2 (4-x) =
Mathématiques
mariusbaron63
Question
4 (x + 7) = a (b + 2) = x (6-x) = 3 (2x + 7) = -2 (4-x) =
