J ai vraiment besoin qui peux m'aider stp B = -9 + 2 -7 +(-4) - (+2) - (-7)​

By: USER6493
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
J ai vraiment besoin qui peux m'aider stp B = -9 + 2 -7 +(-4) - (+2) - (-7)​
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Best Answer
(234)

Réponse :

c'est la règle des signe il faut que tu enlève les parenthèses

donc -9+2-7-4-2+7

=-9-7-4-2+2+7

= -22+9

= -13

Explications étape par étape :

Answered on 27 Agustus 2025
(131)
B = -9+2-7+(-4)-(+2)-(-7)
B= -7-7+(-4)-(+2)-(-7)
B= -14+(-4)-(+2)-(-7)
B= -18-(+2)-(-7)
B= -20-(-7)
B= -13
Answered on 27 Agustus 2025

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