April 2019 2 125 Report

Calculer chaque expression après avoir regroupé les termes opposés.

A=(-8)+(+6)+(+8)+(-7)+(-2) ;

B= (+4)-(+5)+(-6)+(+5)-(-8) ;

C= (-7)+(-1,5)-(+7)+(+1,5)+(-6) ;

D= (-1,25)+(-2,75)-(-1,25)-(+0,25) ;

Attention (-7)-(+7) = # O MERCI DE M'AIDER TOUT COMMENTAIRE UNITILE SERAS SIGNALER.

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