April 2019 1 62 Report
Salut
voici l'enoncé ,
calculer les expression et detailler
B=
6 – 7 * (-4) + 9 * 11


ma reponse
B=
6 – 7 * (-4) + 9 * 11
=

6- (-28) + 99

transformation
des signes (soustraction) :

=
6 + (+28) + 99

=
34 + 99

=
133


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