Sagot :

Vins

bonjouir

a =  x + y

b =   2 ay

c =  a - x /2

d =  a ( x + y )  = ax + ay

e = 2 a - x /3

f =  x / 3 y

g =  ( x +y ) / a

h =  ( a + b ) ( x - y )

i =  x + ab

j =  2 a + b²

k =  x ³ * y²

Réponse:

x+y

a*2y

a-(1/2)x

a(x+y)

2a-(1/3)x

x/(3y)

(x+y)/a

(a+b)(x-y)

x+ab

2a+b^2

x^3*y^2