Effectuer les additions et soustractions de fractions demandées. Donner la réponse sous forme de fraction simplifiée. Ecrire les fractions avec /. Exemple : Ecrire la fraction $$\frac{3}{4}$$ sous la forme 3/4.
Effectuer les additions et soustractions de fractions demandées. Donner la réponse sous forme de fraction simplifiée. Ecrire les fractions avec /. Exemple : Ecrire la fraction $$\frac{3}{4}$$ sous la forme 3/4.
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