Bonsoir qui pourrait me donner un coup de pouce et m'expliquer merci. Calculer les expressions suivantes sans utiliser
y la calculatrice.
a. A= (+3) + (+8)+(-5)
b. B= (+9) + (+6) + (+7) + (-13)
C. C = (+6) + (-9) + (+4) + (-11)
d. D= (+12) + (-4) + (+9) + (+7) + (+10)
e. E=(-12) + (+8) + (-5) + (+14) + (-13)
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