HSPANS HSPANS 28-04-2020 Mathématiques Answered Exercice 1: Developper et réduire A=7(2a+b)= B= 12(x+5y)= C=3(r +4x+2) = D=2(7a-3)= E=6(22-5x)= F=5a(22+46-3)= G = 4(3x-2)+8 = H = 3(6a -b) + 2(56 – 9a) =
