October 2020 0 80 Report
Aidez moi svp la proportionnalite:
EX1:calcule en regroupant les termes de meme signes.
D=3,5-4,2+6,5-3,5+5
E=25,2+12-4,8+24-3,4
EX2:calcule les expressions suivantes.
R=(-3+9)-(4-11)-(-5-6)
S=-3+12-(13-8)-(3+8)
T=-3-(4-(3-9))
merci d'avance
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