👤

Sagot :

Réponse :

Explications étape par étape

Bjr

a) = 8Xn -5Xn = (8-5)Xn = 3n

b) = 6Xx + 1X x = (6+1)Xx = 7x

c) = 7Xx -1Xx = ( 7-1)Xx = 6x

d= 3,5Xy + 1Xy = (3,5 +1)X y = 4,5 y

© 2024 IDNLearn. All rights reserved.