February 2021 0 16 Report
Pouvez vous m'aider svp ? A=8x(-4)+14:(-7)
B=35:5-(16-20):(-2)
C=48:16-6x(-5)+18.


On donne: X=-5, Y=4 et Z=-2,5.
Calculer les expressions suivantes:
a) x+y=z
b) xyz
c) x-yz.
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