👤

Sagot :

Bonjour,

1)

(3*-5) -(4*-5) +4

= -15 +20 +4

= 9

2)

15 - (2*-3) = 15 +6 = 21

(9*-3) +45  = -27 +45  =18

21 ≠18

Donc c'est faux

© 2024 IDNLearn. All rights reserved.