que fait on lorsqu'une expression entre parenthèses est précédée d'un signe + pour supprimer ces parenthèses?

By: USER9432
27 Agustus 2025 mathematiques 5 minutes
4.5
109 views 109 comments 13 shares

Question

Grade: Education Subject: mathematiques
que fait on lorsqu'une expression entre parenthèses est précédée d'un signe + pour supprimer ces parenthèses?
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109 Viewed 109 Answers

Answer (109)

Best Answer
(45)
Ça change rien si c'est précédé d'un signe +
Answered on 27 Agustus 2025
(71)
1+(-2) = 1-2 = -1
1+(+2) = 1+2 = 3
1-(+2) = 1+(-2) = -2 =  -1
Answered on 27 Agustus 2025

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