(-2.4) + (-3.5) - (-4.6) + (-5.7)
= -2.4 - 3.5 + 4.6 - 5.7 ← Ecriture simplifiée
= -2.4 + 4.6 - 3.5 - 5.7
= 2.2 - 3.5 - 5.7
= -3.5 + 2.2 - 5.7
= -1.3 - 5.7
= -7
= 4.6 - 2.4 - 3.5 - 5.7
= -5.7 - 3.5 + 2.2
= -9.2 + 2.2
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(-2.4) + (-3.5) - (-4.6) + (-5.7)
= -2.4 - 3.5 + 4.6 - 5.7 ← Ecriture simplifiée
= -2.4 + 4.6 - 3.5 - 5.7
= 2.2 - 3.5 - 5.7
= -3.5 + 2.2 - 5.7
= -1.3 - 5.7
= -7
= 4.6 - 2.4 - 3.5 - 5.7
= 2.2 - 3.5 - 5.7
= -5.7 - 3.5 + 2.2
= -9.2 + 2.2
= -7