Calcule 1)(-4-5)-(3-7)
Mathématiques
Alyamaniiia
Question
Calcule 1)(-4-5)-(3-7)
1 Réponse
-
1. Réponse x22
Salut!
(-4-5)-(3-7)
= (-9)-(3-7)
= (-9)-(-4)
= (-9)+4
= -5
Voilà