qui peux m'aider avec c'est exercice
Exercice 4 Supprimer les crochets puis calculer.
(indication : attention aux signes).
A = (+3) + [(+7) − (−12)]
B = (−4) + [(+8) − (+2)]
C = 5 + [7 − 12]
D = (+8) − [(+3) + (−5)]
E = (−4) − [(+4) − (+2)]
F = 5 − [8 + 4]
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