Sagot :
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