January 2021 0 70 Report
Calculer les différentes expressions suivantes (attention aux soustractions) On notera les étapes :

E= (-10) + (+4) - (-15) + (+3) F

F= (-4) + (+2) - (-15) + (-1) - (+3)

G= -9 + 10 - (+3) -7 + (-4) H

H= -10 - (+3) - (-15) + 8 -7
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