Bonjour j’ai vraiment besoin d’aide merci d’avance A=(-3) – ((+8) – (-9) + (-3)
B=((-3) - (+5)) + ((-1)+(-7))
C=7–7) – ((-3) + (+7)) + (-2)
B=((-3) - (+5)) + ((-1)+(-7))
C=7–7) – ((-3) + (+7)) + (-2)
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