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[1,"Saisir ci-dessous dans la bande bleue, un nombre avec un maximum de 60 caractères."]
[{"$f":"LEN(B2) &\" caractères\"","v":"10 caractères"},"3453453442"]
[null,27542]
[null,{"$f":"IFERROR(CONVERTIR(B2,A1),\"Au-delà de 15 caractères, vous devez ajouter une apostrophe devant le nombre\")","v":"\ntrois billions\nquatre-cent-cinquante-trois millions\nquatre-cent-cinquante-trois mille\nquatre-cent-quarante-deux"}]