November 2020 0 157 Report
Calculer les expressions suivantes , en donnant toutes les étapes nécessaires . attention aux priorités opératoires .
A = 15 - 3 x ( 4 - 6 ) =
B = (-7) +7 x (-3)+5x [ -5+(-2)] =
C= - 4 +2x [ -3 x ( 5-7)-9 =
voila merci
je suis en 4 eme
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